Environment & Cleantech

Skilled professionals dedicated to innovative technologies and practices that reduce environmental impact and promote sustainability

Zed Spencer-Milnes

Zed Spencer-Milnes

I run Ziax, a studio that specialises in multiplayer gaming infrastructure. We run our own brand, CubeCraft Games, and work with other partner studios to provide technical services and infrastructure to support millions of players!

Outside of tech, I'm heavily involved in the sport of sailing (coaching / race management / governance) after being a competitive windsurfer when I was younger.
I also work within the UK Events industry in operations and event control roles.

I run Ziax, a studio that specialises in multiplayer gaming infrastructure. We run our own brand, CubeCraft Games, and work with other partner studios to provide technical services and infrastructure to support millions of players! Outside of tech... Show more

Shivji Kumar Jha

Shivji Kumar Jha

Shivji Kumar Jha is a Staff Engineer at Nutanix, where he leads the charter for analytics, time-series, and streaming platforms across cloud and on-prem environments. He focuses on building scalable ingestion systems and designing high-performance OLAP architectures, with deep hands-on experience extending ClickHouse for production-grade analytics. A contributor to Apache Pulsar, MySQL, and ClickHouse, Shiv approaches distributed systems as a builder—prototyping core components, shaping system design, and driving platform evolution from the ground up.

Beyond engineering, Shiv is an active community leader and speaker. He has delivered 30+ talks at conferences including ApacheCon, KubeCon + CloudNativeCon, and Postgres community events. He also curates deep-tech meetups in Bangalore, bringing together practitioners passionate about databases, streaming systems, and open-source infrastructure

Shivji Kumar Jha is a Staff Engineer at Nutanix, where he leads the charter for analytics, time-series, and streaming platforms across cloud and on-prem environments. He focuses on building scalable ingestion systems and designing high-performance OL... Show more

Sujay Jain

Sujay Jain

Sujay is a seasoned software engineer with expertise in building scalable data platforms and stream processing systems. Currently part of Netflix's Data Platform team, he leads various efforts in Data Mesh, which processes trillions of daily events. Sujay spearheaded building real-time streaming transformations, enabling quick, data-driven decisions.
Previously, he led various initiatives in Meta and Microsoft - from ultra high scale Data & Cloud Infrastructures to business critical Integrity Systems and Real-time messaging services.

Sujay is a seasoned software engineer with expertise in building scalable data platforms and stream processing systems. Currently part of Netflix's Data Platform team, he leads various efforts in Data Mesh, which processes trillions of daily events. ... Show more

Jan Boonen

Jan Boonen

Jan is an experienced solution architect with over 15 years of experience as Kotlin/Java developer. He loves to combine architecture and coding as this is the sweet spot to invent clever, solutions that have an impact in society.

With a MSc. in Geophysics he has a natural interest in geospatial technology, climate change and maps. He has mainly leveraged these for the public interest in assignments for Dutch government agencies.

In his spare time he practices photography with a focus on street and documentary photography. Living in a university town, he is engaged in a project that supports students and young professionals in the area of well-being and meaning.

Jan is an experienced solution architect with over 15 years of experience as Kotlin/Java developer. He loves to combine architecture and coding as this is the sweet spot to invent clever, solutions that have an impact in society. With a MSc. in Ge... Show more

Nalin Theodore

Nalin Theodore

Nalin Theodore is a recent graduate of Christopher Newport University, where he earned a Bachelor of Arts in Communication Studies with a minor in Leadership Studies. During his time at CNU, Nalin was actively involved in the Presidential Leadership Program, Lambda Pi Eta Communication Honor Society, Residence Life, and the Men’s Ultimate Frisbee Team. Nalin’s interest in sustainability grew through his involvement in student-led environmental initiatives and his work as a Reuzzi Student Ambassador. In this role, he used his strengths in communication, storytelling, and video production to create engaging promotional content that raised awareness of Reuzzi’s sustainable solutions and encouraged more environmentally conscious choices among college students. He is currently pursuing a Master of Science in Management at George Mason University while working as a Sales Consultant at Safford Subaru Manassas. Nalin is passionate about using communication, leadership, and creative media to strengthen communities and make sustainability more accessible and engaging. Outside of his professional and academic work, he enjoys volunteering in his community, creating videos, staying active, exploring the outdoors, and playing ultimate frisbee.

Nalin Theodore is a recent graduate of Christopher Newport University, where he earned a Bachelor of Arts in Communication Studies with a minor in Leadership Studies. During his time at CNU, Nalin was actively involved in the Presidential Leadership ... Show more

Kumuda Sreenivasa

Kumuda Sreenivasa

I am a Senior Data Architect at ATC Drivetrain and the Founder of two ventures—Unimonk, an AI-powered education platform, and GoICure, a digital-first medical tourism solution. I’ve spoken at KCD Washington 2025 and will also be presenting at BazelCon, sharing my experiences in cloud-native engineering and secure data systems. At ATC Drivetrain, I design hybrid cloud architectures that integrate AWS, Azure, Kubernetes, and big data pipelines for mission-critical shopfloor operations, driving improvements in governance, scalability, and predictive maintenance. Through GoICure, I’m building intelligent, compliance-ready platforms for cross-border healthcare, while Unimonk is focused on transforming education and university admissions through automation and AI. With a Master’s in Data Science from the University of Texas at Dallas and a strong foundation in distributed systems, MLOps, and secure data engineering, I bring both enterprise experience and entrepreneurial innovation to solving real-world problems at scale.

I am a Senior Data Architect at ATC Drivetrain and the Founder of two ventures—Unimonk, an AI-powered education platform, and GoICure, a digital-first medical tourism solution. I’ve spoken at KCD Washington 2025 and will also be presenting at BazelCo... Show more

Anita Konadu Otchere

Anita Konadu Otchere

I am a Marketing and Digital Strategy professional with over seven years of experience in banking, sales, and digital marketing. I specializes in customer engagement, brand growth, and leveraging digital tools to drive business results.

I have worked with organizations such as the Institute of Environmental Assessment (IOEA),First Atlantic Bank as a sales and leading digital campaigns and managing client relationships.

I am passionate about empowering individuals and businesses especially women through digital skills, sustainability, and professional development. I facilitate for She Rise Technology on most of their training sessions.

I am a Marketing and Digital Strategy professional with over seven years of experience in banking, sales, and digital marketing. I specializes in customer engagement, brand growth, and leveraging digital tools to drive business results. I have wor... Show more

Victor Olet

Victor Olet

Victor is a science enthusiast pursuing a doctoral degree in renewable energy at Curtin University. His research focuses on biomass valorization and eco-friendly plastics. He actively promotes chemical science as a committee member of the American Chemical Society's Australian Student Chapter. Victor also engages in science communication through CSIRO's STEM Professionals program.

As a Microsoft Learn Student Ambassador, he enhances his digital literacy and incorporates computational chemistry into his research. Victor's active contributions to the Windows Insider Program earned him the 2023 Windows Insider Most Valuable Professional Award, a testament to his impact in the Windows community.

Victor is a science enthusiast pursuing a doctoral degree in renewable energy at Curtin University. His research focuses on biomass valorization and eco-friendly plastics. He actively promotes chemical science as a committee member of the American Ch... Show more

Cheyenne Mizenko

Cheyenne Mizenko

I am a Principal of Student Programs at Shasta County Office of Education, specializing in special education and school leadership. With 13 years of experience, I have dedicated my career to supporting students who are outside of the educational box.

Currently, I lead a team at Excel Academy, a regional special education placement program, where we focus on supporting students with high needs and creating space for them to thrive. We are thrilled to share our insights on Designing From the Fringe at this year's Women in School Leadership Forum.

I am a Principal of Student Programs at Shasta County Office of Education, specializing in special education and school leadership. With 13 years of experience, I have dedicated my career to supporting students who are outside of the educational box.... Show more

Shanthi Subramonia Iyer

Shanthi Subramonia Iyer

A dynamic educator and researcher with 20 years of experience, Dr. Shanthi Iyer is a model of academic excellence and professional dedication. She has held leadership positions at GEMS Education in the past and currently serves as Vice Principal at The Oxford School (LEAMS Education). She is also a school governor in four different schools. Dr. Iyer has published a number of works in the field and is an avid environmentalist and sustainability researcher. She is well-known for inspiring teams with trust, positivity, and inclusivity through her collaborative and empathetic leadership style. Dr. Iyer continues to have a significant influence on the quality of teaching and learning because of her extensive knowledge of curriculum design, assessment, and educational leadership.

A dynamic educator and researcher with 20 years of experience, Dr. Shanthi Iyer is a model of academic excellence and professional dedication. She has held leadership positions at GEMS Education in the past and currently serves as Vice Principal at T... Show more

Ankshita Maunthrooa

Ankshita Maunthrooa

Ankshita is currently working as a security engineer and has previously worked as a cybersecurity consultant in the paradise island of Mauritius, helping the biggest firms around the world implement strategic cybersecurity best practices and comply with the required standards. Before joining consultancy, she has worked in cybersecurity for approximately two years as a SOC analyst, thus gathering a rich hands-on experience on blue teaming tools and practices.

Ankshita has presented her cyber blue teaming skills at the DevCon2023, the biggest developers' conference of Mauritius organized by the MSCC and GDG Mauritius. She recently also spoke at the DevFest 2023 about introducing Golang to students.

Coming from a diverse background in Information Technology, Ankshita is familiar with development and programming in Java, Python, Javascript and Solidity. Her latest passion for learning narrows down to Golang which can be very effectively implemented in the field of cybersecurity as well.

During university years, Ankshita has also represented the Google Developers Student Clubs on her campus at the University of Mauritius and she had also been elected as the Huawei Campus Ambassador.

Ankshita is currently working as a security engineer and has previously worked as a cybersecurity consultant in the paradise island of Mauritius, helping the biggest firms around the world implement strategic cybersecurity best practices and comply w... Show more

Kelley Versocki

Kelley Versocki

Kelley Versocki serves as the Manager for the Office of Sustainability at Lehigh University, where she leads the strategic direction for campus-wide sustainability initiatives and narratives. In this leadership role, Kelley manages the Office's core outreach and engagement efforts, overseeing staff and over 20 student employees to drive institutional change. She is a key representative for the Office of Sustainability, partnering with campus stakeholders and university leadership to align sustainability goals with Lehigh’s broader strategic priorities.

Kelley’s expertise lies at the intersection of communication, engagement, and strategy. She oversees the development of sustainability assessment frameworks to track progress on institutional goals and presents data-driven insights to senior leadership to inform strategic decision-making. By leveraging her background in sociology and 15 years of experience in PR and marketing, Kelley ensures that Lehigh’s sustainability initiatives are not only high-impact and measurable but also inclusive and deeply integrated into the university culture.

Kelley Versocki serves as the Manager for the Office of Sustainability at Lehigh University, where she leads the strategic direction for campus-wide sustainability initiatives and narratives. In this leadership role, Kelley manages the Office's core ... Show more

Josefin Hahn

Josefin Hahn

Josefin Hahn is a certified nature mental trainer with professional roots as a lawyer in the field of renewable energies. From this time, she knows exactly what mental load, high pressure and complex decisions mean. Today, she combines nature awareness, mental self-management and mindfulness to help people achieve greater inner peace, strength and relaxed thinking – in a working world that is often fast-paced and demanding. She also works as a coach and speaker.

Josefin Hahn is a certified nature mental trainer with professional roots as a lawyer in the field of renewable energies. From this time, she knows exactly what mental load, high pressure and complex decisions mean. Today, she combines nature awarene... Show more

Bret Oreta

Bret Oreta

I’m a software developer and systems builder focused on creating scalable web applications, automation workflows, and developer-focused tools. My work spans full-sack web development, AI-assisted workflows, API integrations, and knowledge systems designed to improve developer experience and operational efficiency. I’ve worked on projects involving automation platforms, vector databases, internal support systems, payment integrations, and AI-powered retrieval workflows that help teams turn scattered documentation into accessible, searchable knowledge. I’m particularly interested in the intersection of developer experience, documentation, and practical AI applications for modern engineering teams.

I’m a software developer and systems builder focused on creating scalable web applications, automation workflows, and developer-focused tools. My work spans full-sack web development, AI-assisted workflows, API integrations, and knowledge systems des... Show more

Sankalp Gilda

Sankalp Gilda

Sankalp Gilda is a Staff ML Engineer and independent researcher focused on epistemic accountability and structured reasoning for AI-assisted workflows in regulated and high-stakes domains. He holds a PhD in Astronomy and has six-plus years of production data science experience spanning time-series analysis, uncertainty quantification, and MLOps -- most recently driving AI for electric-vehicle systems in greentech as well as in oil and gas.

He created tsbootstrap, an open-source Python library for bootstrapped time-series resampling (87+ stars, sktime-integrated), and gave its tutorial at SciPy 2024. His other public OSS spans the security and developer-safety ecosystem -- idna-ip-literal-smuggle-rules, a CodeQL/Semgrep ruleset and gopatch auto-fix codemod for a Go IDNA-canonicalization bug class (UTS-46 digit-fold IP-literal smuggling) he privately disclosed to the Go team in April 2026, and mcp-keyring-injector for session-scoped credential safety in MCP environments. Recent research includes workshop papers at ICLR 2026 -- Logical Reasoning of LLMs (algebraic invariants for LLM reasoning chains and weakest-link reliability propagation) and AI in Finance (epistemic accountability and generator-ratifier disjointness for agentic financial AI). He builds Verity, a reasoning-layer system for AI coding assistants in regulated environments, currently in private development.

Outside work he's drawn to high-commitment activities -- skydiving, scuba diving, kitesurfing -- that reward the same combination of careful preparation and decisive action that good engineering does. He consults across industries through DeepThought Solutions on AI governance, structured reasoning, and ML-for-regulated-domains problems.

Sankalp Gilda is a Staff ML Engineer and independent researcher focused on epistemic accountability and structured reasoning for AI-assisted workflows in regulated and high-stakes domains. He holds a PhD in Astronomy and has six-plus years of product... Show more

Connie Schulte

Connie Schulte

Connie Schulte is an environmental journalist and weather anchor at Univision 34. With a sharp eye for storytelling and a deep commitment to climate reporting, she specializes in uncovering urgent environmental issues and translating complex scientific information into compelling narratives.
Connie studied Social Communication and later pursued Environmental Studies at UCLA Extension in California. Authored a book collection for children about the environmental challenges we face.

Connie Schulte is an environmental journalist and weather anchor at Univision 34. With a sharp eye for storytelling and a deep commitment to climate reporting, she specializes in uncovering urgent environmental issues and translating complex scientif... Show more

Oluwasegun Adedigba

Oluwasegun Adedigba

Oluwasegun Adeniyi Adedigba is a cloud software engineer with a strong background in building and managing secure, scalable cloud infrastructures. With extensive experience in AWS, he has implemented solutions involving networking, virtualization, containerization, and serverless architectures. His interests span serverless, event-driven architecture, CAD, CAM, CAE, and robotics. He is 5x AWS Certified and 1x Hashicorp Certified. He is an AWS Community Builder in the AWS Serverless Category. Oluwasegun Adedigba is also a Mechanical Engineer. His hobbies include playing football and basketball.

Oluwasegun Adeniyi Adedigba is a cloud software engineer with a strong background in building and managing secure, scalable cloud infrastructures. With extensive experience in AWS, he has implemented solutions involving networking, virtualization, co... Show more

Dr Nicolene du Preez

Dr Nicolene du Preez

Dr. Nicolene is a visionary leader and advocate for progressive educational change, adept at navigating the complexities of the evolving educational landscape. With a keen systems thinking approach, she recognizes that the future of education is a dynamic and ever-changing journey, requiring adaptability, resilience, and a proactive stance towards embracing uncertainty. As a Thought Leader in the Royal Bafokeng Nation, Dr. Nicolene excels in fostering innovation and continuous improvement in educational practices. She understands the critical need for educators and administrative professionals to possess a diverse array of skills, combined with strong initiative and self-motivation.Her extensive background in teacher training at the tertiary level underscores her commitment to elevating educational standards. Dr. Nicolene has successfully spearheaded high-level professional development programs across various educational and non-educational organizations, demonstrating her ability to drive systemic change in education. She has shared her insights and expertise through international workshops, in adapting to diverse educational contexts.

Dr. Nicolene is a visionary leader and advocate for progressive educational change, adept at navigating the complexities of the evolving educational landscape. With a keen systems thinking approach, she recognizes that the future of education is a dy... Show more

Mayinja Bob

Mayinja Bob

Mayinja Bob Williams is a Mechanical and Industrial Engineering researcher at Mbarara University of Science and Technology (MUST). He specializes in circular hardware workflows, embedded systems, and sustainable additive manufacturing. As the co-creator of the TSPR ecosystem, his work focuses on eliminating barriers to electronics prototyping through open-source technology, custom conductive material formulations, and accessible robotic hardware deployment.

Mayinja Bob Williams is a Mechanical and Industrial Engineering researcher at Mbarara University of Science and Technology (MUST). He specializes in circular hardware workflows, embedded systems, and sustainable additive manufacturing. As the co-crea... Show more

Rasheed Mudasiru

Rasheed Mudasiru

Rasheed Mudasiru builds infrastructure and developer tools, then explains how they work. A Google Developer Expert in Cloud, he spent four years as the sole infrastructure engineer at a production SaaS company while simultaneously founding two developer communities in Nigeria, speaking at AWS Summit Johannesburg, GopherCon Africa, OSCAFEST, UbuCon Africa, DjangoCon Africa etc and shipping open source tooling including a GitOps controller and an AI agent debugger. He mentors engineers across Africa through the Linux Foundation Kubernetes programme.

Rasheed Mudasiru builds infrastructure and developer tools, then explains how they work. A Google Developer Expert in Cloud, he spent four years as the sole infrastructure engineer at a production SaaS company while simultaneously founding two develo... Show more

Krishna Mamidala

Krishna Mamidala

Krishna Mamidala is a Senior Manager of Data Science at Walmart Global Tech with over 15 years of experience in Artificial Intelligence, Machine Learning, Forecasting, and large-scale enterprise AI platforms. He leads teams focused on demand forecasting, financial forecasting, GenAI solutions, and scalable AI/ML systems that support business decision-making at enterprise scale.

His expertise includes Time Series Forecasting, Generative AI, MLOps, Deep Learning, Distributed Systems, and AI platform engineering across cloud ecosystems including GCP, Azure, and AWS. Krishna has led initiatives involving NHITS, N-BEATS, Prophet, LLM-based workflows, multi-agent AI systems, and enterprise forecasting platforms.

Krishna is an IEEE Senior Member and serves as a reviewer for IEEE journals and conferences. He actively contributes to the AI and data science community through technical reviews, mentoring, judging, and speaking engagements focused on AI innovation, forecasting systems, and real-world enterprise AI adoption.

Krishna Mamidala is a Senior Manager of Data Science at Walmart Global Tech with over 15 years of experience in Artificial Intelligence, Machine Learning, Forecasting, and large-scale enterprise AI platforms. He leads teams focused on demand forecast... Show more

Izis Filipaldi

Izis Filipaldi

For the past ten years, I've worked with agile frameworks, assisting communities and my teams in delivering products and cultivating a judgment-free environment.
My three main work focuses are continuous improvement of people's knowledge, product delivery, and work environment.
I'm an agile community partner in both Brazil and Germany.
My mission is to help people improve their knowledge and professional value within organizations while also fostering an environment with a strong agile culture.

For the past ten years, I've worked with agile frameworks, assisting communities and my teams in delivering products and cultivating a judgment-free environment. My three main work focuses are continuous improvement of people's knowledge, product de... Show more

Anjaneya Turai

Anjaneya Turai

Anjaneya Turai is a technology strategist with over half a decade of experience in making artificial intelligence practical, ethical, and accessible. At South East Water, he leads AI initiatives that range from automation and analytics to the responsible adoption of emerging tools, ensuring that innovation is grounded in trust and transparency.

He has delivered AI engagement sessions across teams, spoken on podcasts about AI and ethics, and worked closely with professionals to explore how AI can drive efficiency and new opportunities. His projects span legal automation, client data management, generative AI for business, and advanced analytics, giving him a unique perspective on both the strategic and hands-on sides of AI.

Passionate about bridging the gap between innovation and responsibility, Anjaneya helps organizations unlock value from AI while keeping people, ethics, and real-world impact at the center of the conversation. Whether engaging executives, developers, or students, he brings clarity, curiosity, and practical insight into the fast-moving world of AI.

Anjaneya Turai is a technology strategist with over half a decade of experience in making artificial intelligence practical, ethical, and accessible. At South East Water, he leads AI initiatives that range from automation and analytics to the respons... Show more

Ashutosh Bhakare

Ashutosh Bhakare

Passionate about opensource fields, active fedora contributor, written few article for fedora and Red Hat , Active Docker community leader, Trying to promote Opensource by arranging AWS / Google Events as I am AWS UG , GDG UG and AWS CB. In Dec 2022 GDG Devfest we had taken a session for around 550+ attendees. Currently delivering training for Kubernertes / Docker and GKE

Passionate about opensource fields, active fedora contributor, written few article for fedora and Red Hat , Active Docker community leader, Trying to promote Opensource by arranging AWS / Google Events as I am AWS UG , GDG UG and AWS CB. In Dec 2022 ... Show more

Vincent Offroy

Vincent Offroy

Hello, i'm a french Android developer at Leboncoin, where I actively contribute to the development of sustainable and innovative solutions. I am deeply invested in promoting eco-friendly practices within my company and beyond by aligning technological advancements with environmental responsibility.

Hello, i'm a french Android developer at Leboncoin, where I actively contribute to the development of sustainable and innovative solutions. I am deeply invested in promoting eco-friendly practices within my company and beyond by aligning technologica... Show more

Alessandro Miliucci

Alessandro Miliucci

I am Alessandro Miliucci, a developer, author and speaker. Although I have many interests, software development is what I devote most of my time to and what I am best known for. I have also written a few books on software development.

My interests range over all aspects of software: from user interfaces to databases, including network protocols.

I am a co-organizer of RomaJS meetup and the leader of MongoDB User Group in Rome.

During my career I have spent a lot of time working on start-ups such as Hype, the first Italian neo-bank, and Vidra, an e-commerce SaaS that I co-Founded.
Nowadays I work as a Solution Architect for Fabrick S.p.a. one of the leading Italian Fintech companies.

I am Alessandro Miliucci, a developer, author and speaker. Although I have many interests, software development is what I devote most of my time to and what I am best known for. I have also written a few books on software development. My interests... Show more

Matteo Manchi

Matteo Manchi

Matteo is a community-addicted enthusiast from the very beginning: since its founding in 2013, he has been the community manager of RomaJS, dedicating part of his time to creating environments for sharing and technical dissemination. He loves JavaScript in all its forms, as well as PHP.

In his free time, he is the CEO of Impronta Advance, a trainer, a consultant on web architectures, a speaker, and in his spare time, he studies and experiments live on Twitch.

Matteo is a community-addicted enthusiast from the very beginning: since its founding in 2013, he has been the community manager of RomaJS, dedicating part of his time to creating environments for sharing and technical dissemination. He loves JavaScr... Show more

Marcel Cremer

Marcel Cremer

Tech Generalist | DevOps, Programming, Lean | Passionately optimizing processes, building Teams and creating a sustainable future

Tech Generalist | DevOps, Programming, Lean | Passionately optimizing processes, building Teams and creating a sustainable future Show more

Curtis Charles

Curtis Charles

Curtis Charles serves as the Director of Campus Residences Information Technology at Stony Brook University, where he leverages over 20 years of experience from both higher education and private industry. His work focuses on technical leadership, infrastructure development, and operational strategy, with an emphasis on translating institutional goals into actionable and scalable initiatives.

In his role at Stony Brook, Curtis oversees student-centered infrastructure projects within Campus Residences, including solar-powered micro-mobility charging stations and sustainable residential technologies. He partners with housing, facilities, and sustainability teams to advance projects that enhance student safety, promote equity, and improve residential living.

Curtis approaches campus challenges through a systems-oriented, results-focused lens shaped by his diverse professional background. He is particularly engaged in exploring the intersection of technology and sustainability within student life, working to ensure that campus residences are adaptable, effective, and positioned for long-term success.

Curtis Charles serves as the Director of Campus Residences Information Technology at Stony Brook University, where he leverages over 20 years of experience from both higher education and private industry. His work focuses on technical leadership, inf... Show more

Georges Byona

Georges Byona

Software Engineer • FlutterFire • AI Enthusiast • GDG on Campus Lead’25 • Tech Trainer, Content Creator & Speaker

Software Engineer • FlutterFire • AI Enthusiast • GDG on Campus Lead’25 • Tech Trainer, Content Creator & Speaker Show more

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