Environment & Cleantech

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

Andrea Saravalle

Andrea Saravalle

A PhD and expert in Applied Economics and Strategic Marketing, Andrea Saravalle combines a solid academic career at three leading Italian universities (Bologna, Brescia, Ancona) with extensive consulting work for national brands. Specializing in market analysis and positioning strategies, he helps organizations navigate technological and structural changes through a deep understanding of stakeholders' real needs. He is a member of the "Industry, Territory, Environment" research group at the University of Bologna. As a speaker, he brings to the stage a vision that combines strategy and sustainability, guiding companies towards growth that is both innovative and profitable.

A PhD and expert in Applied Economics and Strategic Marketing, Andrea Saravalle combines a solid academic career at three leading Italian universities (Bologna, Brescia, Ancona) with extensive consulting work for national brands. Specializing in mark... Show more

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

Cephas Brian Mugisa

Cephas Brian Mugisa

Hello, it's Cephas here, I'm a software engineer with experience in cross-platform app development, and I'm also passionate about graphics and UX design. I love using my skills to create experiences that make people's lives better. Am glad you checked me out here!

Hello, it's Cephas here, I'm a software engineer with experience in cross-platform app development, and I'm also passionate about graphics and UX design. I love using my skills to create experiences that make people's lives better. Am glad you checke... Show more

Jamie Coleman

Jamie Coleman

Jamie is a Senior Developer Advocate for Loqate formally at IBM & Sonatype, based in the UK. He has had the privilege to have spoken all around the world at developer conferences and is an organiser of London’s biggest developer community, the London Java Community.

Passionate about discovering ways to help reduce developers carbon footprint, he is also a subject matter expert in containerised solutions and build technologies. He fell in love with coding at university and has gone on to talk at many conferences about using languages like Java with microservices and related technologies such as AI and software security. He has worked on a wide variety of projects such as modernising IBMs mainframe testing infrastructure, creating, and automating the creation of Docker images for IBM’s products and contributing to a DevOps pipeline offering.

Jamie is a Senior Developer Advocate for Loqate formally at IBM & Sonatype, based in the UK. He has had the privilege to have spoken all around the world at developer conferences and is an organiser of London’s biggest developer community, the London... 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

Ole Michaelis

Ole Michaelis

Ole Michaelis is the Head of Engineering at 1KOMMA5º, a unicorn scale-up in renewable energy and clean tech. He's passionate about event-driven software engineering and building high-performing remote teams. From RailsConf to CodeMash, Ole enjoys sneaking onto stages to talk about software, teams, and tech.. In his free time, he's developing slidr.io, a streamlined slide-sharing platform. Ole is a passionate software lead who enjoys traveling and Mexican food. This self-proclaimed 'bad' German can juggle, loves spending time with his two kids, but still dislikes beer and soccer.

Ole Michaelis is the Head of Engineering at 1KOMMA5º, a unicorn scale-up in renewable energy and clean tech. He's passionate about event-driven software engineering and building high-performing remote teams. From RailsConf to CodeMash, Ole enjoys sne... Show more

Ralf Richter

Ralf Richter

Ralf Richter is a renowned IT expert with over two decades of professional experience, specializing in cloud technologies. He has demonstrated his expertise across various industries, including medical technology, finance, automotive, and manufacturing. As a consultant, Ralf has worked on cloud projects at various levels, from strategic to methodical aspects, advising both executive boards and developer teams.

Ralf has been repeatedly honored as a Microsoft Most Valuable Professional (MVP), underscoring his profound knowledge and significant contribution to the IT community. He serves as a Cloud Solution Architect and is also active as a coach and trainer for cloud and software technologies. Ralf is known for always being at the forefront of technology, particularly in the field of artificial intelligence, where he develops and implements innovative solutions.

Additionally, Ralf engages as a Community Leader, where he shares his knowledge and acts as a mentor for emerging professionals in the technology sector. His commitment and expertise make him a key figure in the world of IT and cloud technology.

Ralf Richter is a renowned IT expert with over two decades of professional experience, specializing in cloud technologies. He has demonstrated his expertise across various industries, including medical technology, finance, automotive, and manufacturi... Show more

Vishal Sharma

Vishal Sharma

As Software Engineering leader, I bring over 20 years of expertise in enterprise architecture and digital transformation. By leading cross-functional teams, I enable the delivery of secure, scalable solutions that optimize operations and enhance client engagement. My efforts focus on integrating innovative technologies to align with strategic business goals, resulting in measurable outcomes for stakeholders.

With a strong foundation in business architecture and fintech innovation, I excel in modernizing platforms to meet evolving industry demands. Equipped with certifications such as TOGAF, I prioritize seamless system integration, cost efficiency, and regulatory alignment to drive long-term value for organizations. Passionate about solving complex challenges, I work collaboratively to empower teams and achieve sustainable success.

As Software Engineering leader, I bring over 20 years of expertise in enterprise architecture and digital transformation. By leading cross-functional teams, I enable the delivery of secure, scalable solutions that optimize operations and enhance clie... Show more

Mike Gerasymenko

Mike Gerasymenko

Customer and quality focused mobile engineer in love with mobile platforms. I've been building software for quite a while: over 14 years of software development experience, 12 years of iOS. I have experience working on great products and I am excited to see them used.

Customer and quality focused mobile engineer in love with mobile platforms. I've been building software for quite a while: over 14 years of software development experience, 12 years of iOS. I have experience working on great products and I am excited... Show more

Victor Jimenez

Victor Jimenez

Victor has more that 18 years working for global companies as an IT resource on different areas, such as Server Filed Support, Sysadmin, Site Reliability Engineer and Solutions Architect.
Today works as Sr. Solutions Architect and is specialist on Compute Services like Containers with Kubernetes cluster autoscaler and Karpenter, with the aim to reduce costs.
His aim is to help Platform engineering, other Solutions Architects and Applications teams to design, deploy and maintain the right architectures that align to the business goals and gains.

Victor has more that 18 years working for global companies as an IT resource on different areas, such as Server Filed Support, Sysadmin, Site Reliability Engineer and Solutions Architect. Today works as Sr. Solutions Architect and is specialist on C... Show more

Shweta Sharma

Shweta Sharma

Shweta is a highly skilled software professional with almost 12 years of experience in various technologies. She is a mentor and engineering lead at Intuit. She is a core member of Tech Women @Intuit and strongly advocates for women in Tech and believes in giving back to the community. Shweta is an active speaker who has presented at multiple forums, including GHC 2022, WomenInTech 2022 & 2023, Women Who Code San Diego and other events.

Shweta is a highly skilled software professional with almost 12 years of experience in various technologies. She is a mentor and engineering lead at Intuit. She is a core member of Tech Women @Intuit and strongly advocates for women in Tech and belie... Show more

Heather Thacker

Heather Thacker

Heather is a Developer Advocate at Gatling where she enjoys building content and community around making performance testing approachable and essential to teams. Her perspective is shaped by four years as a software developer followed by two years advocating for DevOps best practices. She’s an international speaker that enjoys comparing theory with reality of software development lifecycles, using practical examples and analogies. Her goal is to give engineers different perspectives that will build the confidence they need to make performance a core part of their workflow.

Heather is a Developer Advocate at Gatling where she enjoys building content and community around making performance testing approachable and essential to teams. Her perspective is shaped by four years as a software developer followed by two years ad... Show more

Derrick Tsorme

Derrick Tsorme

A builder at heart, Derrick Tsorme is a Product Designer at Axmed, committed to making technology more human. With a unique background that blends a design-first mindset with data and public health insights, he specializes in creating simple, usable interfaces for complex systems. He is a recognized community leader and educator, sharing his hands-on experience from companies like Yellow Card, Hubtel, Inpath, etc and through his personal projects.

A builder at heart, Derrick Tsorme is a Product Designer at Axmed, committed to making technology more human. With a unique background that blends a design-first mindset with data and public health insights, he specializes in creating simple, usable ... Show more

Isieza Elijah Keluro Caesar

Isieza Elijah Keluro Caesar

Caesar Keluro is a global technology and investment executive recognized for his leadership at the intersection of digital transformation, venture capital, and emerging market innovation. Since 2023, he has been an active venture leader at GITEX Global and Expand North Star in Dubai, engaging global founders, investors, and policymakers while driving strategic technology–investment dialogues across frontier markets. He is also the author of an influential book on digitalization, where he examines how technology reshapes industries, unlocks economic growth, and accelerates human development.

Caesar Keluro is a global technology and investment executive recognized for his leadership at the intersection of digital transformation, venture capital, and emerging market innovation. Since 2023, he has been an active venture leader at GITEX Glob... Show more

Aquayemi-Claude Akinsanya

Aquayemi-Claude Akinsanya

Aquayemi-Claude’s relentless drive for systemic reform has positioned him as a key figure across global platforms. He serves as a leader in youth empowerment, a mentor in educational equity, and a public speaker whose message resonates with diverse audiences. As a solopreneur and thought leader, his work bridges entrepreneurship, activism, and environmentalism, while his contributions to the Global Network of Young Persons with Disabilities highlight his commitment to creating inclusive opportunities for marginalized communities.

A compelling public speaker and storyteller, Aquayemi-Claude captivates audiences with inspiring narratives and thought-provoking insights. With a gift for communication and a dedication to amplifying marginalized voices, Aquayemi-Claude inspires action and fosters dialogue on issues of social significance.

Aquayemi-Claude is also an accomplished author, sharing perspectives and experiences that challenge conventional wisdom and inspire critical reflection. Through written works, Aquayemi-Claude invites readers on a journey of discovery and empowerment, encouraging introspection and growth.

Aquayemi-Claude’s relentless drive for systemic reform has positioned him as a key figure across global platforms. He serves as a leader in youth empowerment, a mentor in educational equity, and a public speaker whose message resonates with diverse a... Show more

Jose Gomez-Selles

Jose Gomez-Selles

Product Lead at VictoriaMetrics Cloud. In a previous life, he did a PhD for nanothings. Keys, metal and virtual racing.

Product Lead at VictoriaMetrics Cloud. In a previous life, he did a PhD for nanothings. Keys, metal and virtual racing. Show more

Josh Chanin

Josh Chanin

Josh leads transportation electrification programs for San Jose Clean Energy, the electricity generation provider for the City of San Jose, and draws on 10+ years of experience in energy efficiency and transportation electrification program management. He has spent the past several years focusing on increasing EV adoption for state governments and Community Choice Aggregators (CCAs), particularly in low-income and disadvantaged communities. Josh has played a key role in directing how over $75 million in funding should be spent to accelerate EV adoption and charging projects, directly influencing the adoption of more than 8,000 EVs.

Josh leads transportation electrification programs for San Jose Clean Energy, the electricity generation provider for the City of San Jose, and draws on 10+ years of experience in energy efficiency and transportation electrification program managemen... Show more

Godfrey Nolan

Godfrey Nolan

Godfrey Nolan is founder and president of RIIS LLC a mobile development firm in the Detroit Metro area. He is also author of Agile Swift (Apress), Agile Android (Apress), Bulletproof Android (Pearson), Android Best Practices (Apress), Decompiling Java (Apress) and Decompiling Android (Apress).

Godfrey Nolan is founder and president of RIIS LLC a mobile development firm in the Detroit Metro area. He is also author of Agile Swift (Apress), Agile Android (Apress), Bulletproof Android (Pearson), Android Best Practices (Apress), Decompiling Jav... Show more

Lirone Glikman

Lirone Glikman

Lirone Glikman is an international speaker, bestselling author, and consultant on business networking and personal branding using AI, and business development for startups and high-tech companies. She has consulted and spoken to developers, founders, and women leaders in 27 countries, sharing her methodology for achieving business results through authentic connections.

She is the author of the amazon bestseller "The Super Connector's Playbook". With over 20 years of global experience across Europe, Australia, and the U.S., she brings both corporate and startup perspectives to the tech world. Lirone contributes to leading global magazines and serves as an executive director at a UN-affiliated NGO supporting the Sustainable Development Goals.

Lirone Glikman is an international speaker, bestselling author, and consultant on business networking and personal branding using AI, and business development for startups and high-tech companies. She has consulted and spoken to developers, founders,... Show more

Thomas Thibault

Thomas Thibault

Designer et chercheur en écoconception au sein de Designers Éthiques, Thomas co-mène le projet de recherche Limites Numériques : une collaboration entre designers et chercheurs·euses en informatique et en design sur les formes, fonctions et usages d'un numérique s'inscrivant des les limites planétaires. Il a co-dirigé pendant 10 ans le studio de design numérique Praticable et est président de l'association de critique des technologies le Mouton Numérique.

Designer et chercheur en écoconception au sein de Designers Éthiques, Thomas co-mène le projet de recherche Limites Numériques : une collaboration entre designers et chercheurs·euses en informatique et en design sur les formes, fonctions et usages d'... Show more

Christophe Martinot

Christophe Martinot

Christophe Martinot is an international speaker, transformation advisor, and author of SPIRAL UP®, a framework designed to help individuals, teams, and organizations grow stronger through agility and resilience.

A former executive with over two decades of leadership experience in FMCG, pharma, and medical devices, Christophe has held strategic roles at L’Oréal, Danone, Abbott, and Sanofi.

As Managing Director and Co-Founder of SeedingEnergy, he now guides organizations across the USA, UK, and Europe in redefining their ways of working, building cultures that are more agile, human-centered, and purpose-driven.

He is a co-author of the Agile Customer Centricity Manifesto, part of the global leadership group shaping Agile Marketing Manifesto 2.0, and a co-initiator of the Business Agility Hub.

Christophe also shares his passion for agility and transformation with the next generation of leaders, teaching Agile Ways of Working at IED Barcelona and as a guest professor at ESADE.

A pragmatic optimist, he brings energy, empathy, and real-world experience to every stage, inspiring leaders and teams to Spiral Up through every challenge.
He works fluently in English, French, and Spanish.

Christophe Martinot is an international speaker, transformation advisor, and author of SPIRAL UP®, a framework designed to help individuals, teams, and organizations grow stronger through agility and resilience. A former executive with over two de... Show more

Jérémy Pastouret

Jérémy Pastouret

I am the author of a book dedicated to Phalcon, Open Source contributor, editor for the Les Enovateurs site, Lead developer and entrepreneur. For more information, you can consult my resume: https://jenovateurs.github.io/online-cv/
And here are the references of my work (published by ENI on January 15, 2020): https://www.editions-eni.fr/livre/phalcon-3-developpez-des-applications-web-complexes-et-performantes-en-php-9782409022746

I am the author of a book dedicated to Phalcon, Open Source contributor, editor for the Les Enovateurs site, Lead developer and entrepreneur. For more information, you can consult my resume: https://jenovateurs.github.io/online-cv/ And here are the ... Show more

Dan Mazzella

Dan Mazzella

Dan has been building software since before the dot-com days, responsible for the modernization, site reliability and greenfield projects, as well as responsible for hiring software and devops engineers at various stages and skill levels, from junior to architect level. He has built a career at TRIRIGA, IBM, Wipro, and now as the Global Director of Software for Arcadis, a leading design, consultancy, engineering, project and management services across every phase of asset creation and management for projects all around the world.

Dan has been building software since before the dot-com days, responsible for the modernization, site reliability and greenfield projects, as well as responsible for hiring software and devops engineers at various stages and skill levels, from junior... Show more

Hendrik Lösch

Hendrik Lösch

Hendrik Lösch is a management consultant and architect at ZEISS Digital Innovation. The focus of his work is on the development and evaluation of software, based on Microsoft technologies. He also enjoys writing and talking about his work as well as his enthusiasm for clean code, software evolution and test automation in its various forms.

Hendrik Lösch is a management consultant and architect at ZEISS Digital Innovation. The focus of his work is on the development and evaluation of software, based on Microsoft technologies. He also enjoys writing and talking about his work as well as ... Show more

Alexis Roig

Alexis Roig

Alexis Roig is the CEO of SciTech DiploHub, the world-leading think-and-do tank working at the intersection of science, technology, and foreign affairs, where he leads an international team of over 20 members committed to empowering science and technology to face global challenges.

He also serves in the pioneering role of Barcelona’s Chief Science and Tech Envoy, bringing the voice of evidence-based urban policies and innovations before the UN’s ECOSOC, UNESCO, UNFCCC, the United Nations Sustainable Solutions Network, the International Science Council, the Union for the Mediterranean, and the European Committee of the Regions, among other international organizations. He has over 15 years of experience as a Senior Advisor on Science Diplomacy and City Diplomacy for ministries of Foreign Affairs, Science, Research, and Education across Asia, Latin America, and Europe.

His academic roles include being a Professor at the University of Shanghai for Science and Technology (USST), Associate Researcher at the Barcelona Centre for International Relations (CIDOB), Associate Professor at Pompeu Fabra University (UPF), and the Barcelona Institute for International Studies (IBEI) and Associate Research Fellow at United Nations University (UNU-CRIS), where he works as part of the Regions and Cities Governance Lab in the fields of Science and Technology Diplomacy. Professor Roig is a founder and board member of numerous non-profits and think tanks on Public Diplomacy, Science Advice, and Innovation Policy.

Among other roles, he has served as an advisor to the Ministry of Economic Affairs and Digital Transformation of the Government of Spain, and to the European Commission and the United States’ Department of State on their respective Science, Technology, and City Diplomacy strategies, and as Commissioner for International Affairs of the Barcelona Metropolitan Region strategic plan.

Alexis Roig has developed numerous policy reports, strategic plans, and training programs in Science Diplomacy for regional and national governments of the United States, Mexico, Chile, Spain, France, Germany, Denmark, the Netherlands, Switzerland, Sweden, Turkey, China, Korea, and Japan. He has taught in institutions such as Harvard University, Georgetown University, Sciences Po, CEIBS, Fudan University, Tsinghua University, and Johns Hopkins University, and in the last decade trained over 1,000 government officials from over 50 different nationalities.

He holds a master’s degree in Computer Science from the Universitat Politècnica de Catalunya, an MBA from EM Normandie Business School, a Postgraduate degree in Diplomacy from the United Nations Institute for Training and Research, an Executive Diploma in Nonprofit Foundation Management, and has completed Executive Education programs in Leadership and Public Administration at ESADE and IESE. He is fluent in English, Spanish, French, and Catalan, and is continuously improving his proficiency in Mandarin Chinese.

Alexis Roig is the CEO of SciTech DiploHub, the world-leading think-and-do tank working at the intersection of science, technology, and foreign affairs, where he leads an international team of over 20 members committed to empowering science and techn... Show more

Maria-Anastasia Moustaka

Maria-Anastasia Moustaka

Maria-Anastasia is a software engineer and a Microsoft IoT Most Valuable Professional (MVP). She currently works as a software engineer at BEWISE. She holds a Diploma in Computer Engineering and Informatics from the University of Patras.

Furthermore, she is also a PhD candidate at the University of the Aegean, having completed a Master's Program in the Didactics of Mathematics, Science, and Information and Communication Technologies in Education: Interdisciplinary Approach. Her thesis focused on designing and implementing an interactive digital book for teaching mathematics through programming. Her research interests include teaching and learning for the development of Computational Thinking (CT), the pedagogy of Information Technology, and the integrated educational approach of IT and Mathematics for CT development.

Maria-Anastasia has received four awards in international robotics competitions with the Robotics Club UoP. She is a frequent speaker at national and international technology conferences, and is also a blogger and co-host on the IoTeaLive Livestream. With seven Microsoft Certifications, she is dedicated to continuous learning in technology. Additionally, she has volunteered in various labs, technology conferences, and environmental clubs, reflecting her commitment to environmental concerns.

Maria-Anastasia is a software engineer and a Microsoft IoT Most Valuable Professional (MVP). She currently works as a software engineer at BEWISE. She holds a Diploma in Computer Engineering and Informatics from the University of Patras. Furthermo... 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

Frank Lyaruu

Frank Lyaruu

Architect and software generalist. Rustacian. Java veteran. Sustainable computing advocate. Web assembly enthousiast. Occasional Embedded Rust streamer.

Architect and software generalist. Rustacian. Java veteran. Sustainable computing advocate. Web assembly enthousiast. Occasional Embedded Rust streamer. Show more

Orestis Meikopoulos

Orestis Meikopoulos

With a strong focus on detail and a commitment to excellence, Orestis thrives in creating high-quality systems, demonstrating his technical expertise and leadership skills within software development teams, and guiding fellow software engineers in adopting best practices and processes.

As a Head of Engineering at Code Create, his current role involves guiding and mentoring multiple engineering teams, evaluating potential clients to grow the company's business, and leading the team responsible for preparing complete (technical and business) proposals in response to RfPs. He also oversees the end-to-end technical delivery of the company's projects and coordinate all client communications.

Away from the office, he is an active contributor to open-source projects on GitHub, where he shares insights gleaned from real-world experiences to empower fellow developers. He also maintains a personal blog on LinkedIn and write stories on Medium sharing his knowledge and experiences around software development topics. He also contributes to the developer community as a public speaker, during various events like Global Azure, or .NET meetups.

In his previous roles, he worked as an Azure Architect for Microsoft, where he accelerated and mitigated risks for Azure deployments at scale, enabling customers to confidently onboard to Azure. He also served as a technical and chapter lead of the corporate web banking product of a major Microsoft's FSI client.

With a strong focus on detail and a commitment to excellence, Orestis thrives in creating high-quality systems, demonstrating his technical expertise and leadership skills within software development teams, and guiding fellow software engineers in ad... Show more

Damien Jones

Damien Jones

Damien Jones is an AWS consultant, experienced data professional and cloud enthusiast with a strong track record of designing, building, and optimising cloud-native solutions. He brings deep expertise in SQL, cloud architectures, and data modelling, and has a passion for leveraging emerging technologies to solve complex problems and support data-driven decision-making. Damien actively engages in the cloud community as a content creator, user group leader, and public speaker.

Outside of work, he is a keen runner, amateur gardener, dance music enthusiast and dog dad.

https://gravatar.com/mrdamienjones
https://amazonwebshark.com/about/
https://www.linkedin.com/in/mrdamienjones/

Damien Jones is an AWS consultant, experienced data professional and cloud enthusiast with a strong track record of designing, building, and optimising cloud-native solutions. He brings deep expertise in SQL, cloud architectures, and data modelling, ... Show more

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