Environment & Cleantech

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

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

Joanna Montgomery

Joanna Montgomery

Joanna is an interaction designer, entrepreneur, and thought leader in human-centred technology. She is best known as the creator of Pillow Talk, the world’s first IoT product designed to help couples feel emotionally connected across distance.

With over a decade of experience at the intersection of tech and intimacy, Joanna now runs advises companies on designing digital products that prioritise empathy, trust, and human connection.

Known for her honest, no-fluff approach, she speaks globally on the future of emotionally intelligent tech.

Joanna is an interaction designer, entrepreneur, and thought leader in human-centred technology. She is best known as the creator of Pillow Talk, the world’s first IoT product designed to help couples feel emotionally connected across distance. W... Show more

Chewie XO

Chewie XO

Chewie is a dynamic force in the worlds of marketing, gaming, and blockchain innovation. As a seasoned marketing strategist, Chewie crafts compelling narratives that bridge traditional strategies with cutting-edge digital ecosystems. A veteran semi-pro gamer, Chewie has a deep history in gaming having managed e-sports teams and running a large gaming community in the past, dominating leaderboards or driving community growth.

Chewie is the co-founder of @OnChainBrits, a vibrant collective championing on-chain culture and British blockchain enthusiasts. In the kitchen of crypto creativity, he collaborate on @ChewieTech_xo whipping up innovative strategy solutions driving UX and functionality. Chewie is also a proud member of @AvaxTeam1 on the Avalanche network where he promotes decentralised finance and Web3 adoption.

With a knack for community-building and a passion for pixels-to-protocols, Chewie isn't just playing the game he is rewriting the rules.

Chewie is a dynamic force in the worlds of marketing, gaming, and blockchain innovation. As a seasoned marketing strategist, Chewie crafts compelling narratives that bridge traditional strategies with cutting-edge digital ecosystems. A veteran semi-p... Show more

Victor Nystad

Victor Nystad

Design engineer with almost three decades bridging design and code, Victor brings a typographer's precision to web development. As Design Lead, Tech Lead and founding member of the Equinor Design System, he pursues print-quality typography on the web—applying optical and baseline grid alignment alongside algorithmically generated scales for both typography and colour. A champion of OKLCH and APCA for accessibility-first color systems, Victor believes that exceptional typography and accessibility aren't compromises but catalysts for better digital experiences.

Design engineer with almost three decades bridging design and code, Victor brings a typographer's precision to web development. As Design Lead, Tech Lead and founding member of the Equinor Design System, he pursues print-quality typography on the web... 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

Sandeep Voona

Sandeep Voona

Visionary & Digital Transformation Expert

Sandeep Voona is a 2025 award-winning Digital Transformation expert recognized as "The Most Influential Personality in Digital Transformation" by CXO Time, with additional honors including the Global Recognition Award for Innovation in Enterprise Software Development and Globee Gold Award for Artificial Intelligence. As Senior Principal Product Manager at ServiceNow, he architected the Zero Copy ERP solution that reduced integration latency by 60% and deployed globally across SAP, Oracle, and Workday platforms.

Sandeep has built his career transforming technical innovation into measurable business outcomes. A Senior Member of IEEE (top 10% globally), he serves on the IEEE-USA AI Policy Committee while continuing his legacy of enterprise innovation. His tenure at SAP saw him migrate hundreds of enterprise customers to cloud platforms while being twice selected for the exclusive SAP Catalyst program. Now at ServiceNow, he continues developing telemetry-driven products that significantly reduce delivery cycles while serving global enterprise clients.

Beyond corporate achievements, Sandeep demonstrates exceptional leadership through mentorship, achieving top 1% performance on topmate.io with 150+ monthly sessions guiding professionals into AI and product management careers. He co-founded Pan-Asians@SAP, organically growing it to 5000+ global members and influencing inclusive recruitment policies. As a startup mentor through SAP.iO, he has guided companies from Pre-Seed to Series A while serving as a judge for Unicorn Events (world's largest startup pitch contest), Globee Awards, and The Stevie Awards.

Visionary & Digital Transformation Expert Sandeep Voona is a 2025 award-winning Digital Transformation expert recognized as "The Most Influential Personality in Digital Transformation" by CXO Time, with additional honors including the Global Recog... Show more

Dhruv Kumar

Dhruv Kumar

Software Engineer@Samwell.ai | DST Inspire Awardee | AIR 50 in SIC MOE | North Region Winner in CP | Intel AI Leader | Researcher | Speaker | AI Research and Development | Ex- AI Planet, KloudiDev |

Software Engineer@Samwell.ai | DST Inspire Awardee | AIR 50 in SIC MOE | North Region Winner in CP | Intel AI Leader | Researcher | Speaker | AI Research and Development | Ex- AI Planet, KloudiDev | Show more

Nikita Chernevskiy

Nikita Chernevskiy

With six years of experience with Microsoft services, and being Microsoft Innovative Educator, I am crazy about AI and innovative technologies ⚙️
Areas of Expertise:
Azure AI Services, GitHub, Power Platform, Internet of Things (IoT) and Programming. Practical knowledge in Virtual & Mixed Reality and Quantum Computing 💡

With six years of experience with Microsoft services, and being Microsoft Innovative Educator, I am crazy about AI and innovative technologies ⚙️ Areas of Expertise: Azure AI Services, GitHub, Power Platform, Internet of Things (IoT) and Programmi... 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

Chinedu Otutu

Chinedu Otutu

I am a software engineer with years of professional experience developing, testing, deploying, and maintaining robust software
applications. I excel in creating innovative solutions and seamless user experiences. Beyond my technical skills, I am passionate about physical wellness and enjoy regular workouts to maintain a healthy and active lifestyle.

I am a software engineer with years of professional experience developing, testing, deploying, and maintaining robust software applications. I excel in creating innovative solutions and seamless user experiences. Beyond my technical skills, I am pas... Show more

Randolf Speigner

Randolf Speigner

In his commitment to organizational transformation, Randolf co-founded cogrow.space, after two decades of working with leaders, teams and business units in global enterprises, to bring a different voice to enterprise transformation work. As a global citizen, he collaborates with thought leaders in societal evolution.

Randolf takes great satisfaction in offering his guidance to practitioners as they realize their full potential and capacity in regenerative transformation. He is committed to design and lead cohorts for teams of leaders and change agents to enable effective change in their organizations.

In his commitment to organizational transformation, Randolf co-founded cogrow.space, after two decades of working with leaders, teams and business units in global enterprises, to bring a different voice to enterprise transformation work. As a global ... Show more

Luc Weinbrecht

Luc Weinbrecht

Meet Luc Weinbrecht, Green BPM Consultant at envite. As a distinguished Camunda Champion, he dives into the realm of cutting-edge software architecture within the Camunda framework. With boundless enthusiasm, Luc pioneers novel solutions for business monitoring and takes a serious stance in crafting strategies to significantly reduce the carbon impact of business processes. Join him on the exciting journey towards a greener, more efficient future.

Meet Luc Weinbrecht, Green BPM Consultant at envite. As a distinguished Camunda Champion, he dives into the realm of cutting-edge software architecture within the Camunda framework. With boundless enthusiasm, Luc pioneers novel solutions for business... 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

Precious Akpan

Precious Akpan

Precious Akpan is an early-career seasoned geoscientist with a background in Applied Geophysics and a marine scientist with over three years of interdisciplinary experience in geoscience data modeling, seismic interpretation, and field development planning for oil and gas projects. During his years at Crestgate, a mining and geophysical sector, He has ventured into mining of solid mineral production like Lithium (Ambygonite), Tourmaline, Tin and other important minerals and gem stones spanning areas such as Ishaghu Ebonyi state, Kafanchan, Cross River, Jos, and Nassarawa.

His professional expertise spans computational seismology, seismic tomography, and passive seismic methods, with a focus on integrating machine learning and data science techniques using Python and Linux for subsurface imaging, event detection, and hazard assessment.

Precious has participated in international research initiatives, contributing to field data acquisition, project documentation, and technical reporting. His current research interests include Petroleum Geophysics, geothermal and volcanic system investigations, sustainable energy development, and environmental monitoring through advanced geoscience data modeling and interdisciplinary collaboration.

Precious Akpan is an early-career seasoned geoscientist with a background in Applied Geophysics and a marine scientist with over three years of interdisciplinary experience in geoscience data modeling, seismic interpretation, and field development pl... Show more

Michael Reichenbach

Michael Reichenbach

Michael is a Platform Engineer at 1KOMMA5°, where he builds the developer platform for Europe's largest virtual power plant. With over 10 years of experience creating developer-centric platforms, he has implemented Backstage in multiple organizations, won last year's poster session with a novel Helm-based deployment workflow for Google Cloud Run, and introduced the Component Stack—a method that combines Backstage metadata with Terraform to ensure labels are always up-to-date.

Michael is a Platform Engineer at 1KOMMA5°, where he builds the developer platform for Europe's largest virtual power plant. With over 10 years of experience creating developer-centric platforms, he has implemented Backstage in multiple organizations... Show more

Gayathri Devi Srinivasan

Gayathri Devi Srinivasan

I am an accomplished speaker and presenter with a passion for sharing my knowledge and expertise with others.

As an active contributor to several open-source communities, I have delivered talks and hands-on sessions in a variety of tech stacks, including Flutter and Dart. I believe that open source is the future of software development, and I am committed to making a positive impact in this space through my contributions and speaking engagements.

In addition to my open source work, I bring a wealth of experience in business development, strategic planning, and project management to the table. I am a strategic thinker with a strong ability to identify new business opportunities and deliver impactful results, and I have a proven track record of success in both start-up and established environments.

Overall, I am excited to continue pursuing my career as a speaker and presenter, and I look forward to the opportunity to share my insights and expertise with your audience.

I am an accomplished speaker and presenter with a passion for sharing my knowledge and expertise with others. As an active contributor to several open-source communities, I have delivered talks and hands-on sessions in a variety of tech stacks, in... 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

Collin Tsui

Collin Tsui

Business Intelligence professional with 20 years experience in data analytics, including at a top Power BI Consultant, Fortune 200 company and startup EPC. Combines business acumen with digital fluency and innovative mindset to improve data comprehension and facilitate data-driven decision making. Chaired Data Analytics Community at the Construction Industry Institute, and featured in BD+C Magazine’s 40 Under 40.

Business Intelligence professional with 20 years experience in data analytics, including at a top Power BI Consultant, Fortune 200 company and startup EPC. Combines business acumen with digital fluency and innovative mindset to improve data comprehen... Show more

Sébastien Warin

Sébastien Warin

Avec plus de 20 ans d’expérience dans les nouvelles technologies, le Cloud Computing et l'Internet des objets (IoT), j’ai acquis une expertise approfondie dans la conception et le développement de solutions innovantes, allant des applications utilisateur aux architectures Cloud complexes.

Aujourd'hui, en tant que Directeur Product & Engineering chez ENKI Home (filiale du groupe ADEO), je dirige la stratégie produit et l'exécution technique de la plateforme IoT du groupe ADEO / Leroy Merlin, en plaçant l’expérience Smart Home et la transition énergétique au cœur de nos priorités.

Passionné par l'innovation, je combine expertise technique et vision produit pour concevoir des solutions à forte valeur ajoutée, adaptées aux besoins utilisateurs et aux défis technologiques. Curieux et autodidacte, je suis également un contributeur actif à la communauté open source, partageant mes connaissances à travers des conférences et des articles.

Mon objectif : faire évoluer des produits alliant performance, simplicité d’usage et impact positif, tout en guidant les équipes vers l’excellence technique et l’innovation continue.

Avec plus de 20 ans d’expérience dans les nouvelles technologies, le Cloud Computing et l'Internet des objets (IoT), j’ai acquis une expertise approfondie dans la conception et le développement de solutions innovantes, allant des applications utilisa... Show more

Eduardo Arango Gutierrez

Eduardo Arango Gutierrez

Eduardo is a Senior Systems Software Engineer at NVIDIA, working on the Cloud Native Technologies team. Eduardo has focused on enabling users to build and deploy containers on distributed environments.

Eduardo is a Senior Systems Software Engineer at NVIDIA, working on the Cloud Native Technologies team. Eduardo has focused on enabling users to build and deploy containers on distributed environments. Show more

Patricia Soler Herrero

Patricia Soler Herrero

Patricia is author of the Children´s book: "El secreto que esconden los colores" that will be soon published in English. She has a university degree in Biology. She developed her Marketing and Business background at UCSD and SDSU in San Diego. She holds a Marketing Certificate in ESADE and a Communication Master in EADA (Barcelona). She is a certified Coach by the International Coaching Federation and also certified in Organization Relationship Systems Coaching (ORSC CRR Global)
Patricia has extensive experience in coaching, facilitation and consultancy around topics like leadership, communication, management, career development, Emotional Intelligence, time management, and day-to-day performance management. Patricia is working for the European Institutions (Commission, Parliament and Courts of Justice) and for NATO in Brussels and Luxembourg. In the private sector she works with companies like Inditex (Massimo Dutti, ZARA, Bershka), GSK, ING, L’Oréal, Astra Zeneca, Delitraiteur, Cargolux, Banco Santander, IPSEN and TOTAL in Brussels, London, Paris…working together with Human Resources to create specific and adapted trainings and conferences.
Lecturer in Gdansk University of Technology, ICHEC Business School in Brussels and EU Business School.
She is also a Keynote Speaker for Commerce schools like ESADE, companies like JUMP and many other institutions that need to boost their employees. Loves writing articles and podcasts for companies or for pleasure.
Her passion now is unlocking a person’s potential to maximize his or her own performance, and the best reward is their success.
She works in Spanish, English, French and Catalan.

Patricia is author of the Children´s book: "El secreto que esconden los colores" that will be soon published in English. She has a university degree in Biology. She developed her Marketing and Business background at UCSD and SDSU in San Diego. She ho... Show more

Celestina Amadi

Celestina Amadi

Celestina Amadi is a Cloud Engineer with over three years of experience in multi-cloud and hybrid environments, she specializes in Infrastructure as Code, Kubernetes, and securing cloud-native applications. Celestina is passionate about sharing knowledge and empowering teams to implement scalable and compliant infrastructure

Celestina Amadi is a Cloud Engineer with over three years of experience in multi-cloud and hybrid environments, she specializes in Infrastructure as Code, Kubernetes, and securing cloud-native applications. Celestina is passionate about sharing knowl... 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

Johannes Dumitru

Johannes Dumitru

Johannes is motivational and influential Technical leader working to design, develop, and apply Cloud , AI and Data Driven methodologies to create successful solutions and products for customers the digital economy. At Google I focus on Enterprise Data and AI architecture on distributed and multicloud.
Former researcher (Siemens ) , Lead Enterprise Architect @Oracle, , PM @Microsoft for Azure DevOps & Service Fabric , Lead architect @Swisscom, Lead of Engineering @Volksbank , more than 27 years of experience helping organizations succeed in their digital journey by applying Agile methodologies, architecture best practices, and building the Technical Innovation Pipeline.
Johannes is specialized in the Enterprise Cloud and Data Architecture and integration since cloud are born, high-scale backends with Microservices and distributed data platforms.
Build multiple Patterns and Practices groups and re-usable strategy execution for – Platform Modernization, Cloud native Integration, Data & Ai Platform. Participating in Design and build of multiple Cloud Services and features across multiple hyperscalers .
Creative, strategic thinker with an entrepreneurial spirit and experienced with professional speaking engagements, as author, and results-oriented problem solver with the skills to maintain focus in high-demand situations.
Committed to the development and support of positive team dynamics that lead to the creation of diverse successful products, projects, and multi-cultural groups of people.
Out-of-the-box thinker who believes in digitalization as the key factor to improving quality of life, looking for innovation that generates opportunities to design and build solutions for our environment and our communities.

Johannes is motivational and influential Technical leader working to design, develop, and apply Cloud , AI and Data Driven methodologies to create successful solutions and products for customers the digital economy. At Google I focus on Enterprise D... Show more

Mikhail Chumakov

Mikhail Chumakov

Over nineteen years of experience in software development and design.
I have been passionate about cloud technologies for the last nine years.
My journey with the cloud began with Azure. However, about three years later, AWS became my primary cloud provider at work. 
From the beginning, I was impressed by how cloud technologies help engineers in their work and help deliver solutions much faster and easier. 
For the last four years, my interests and work mainly focused on serverless infrastructure, containerized applications, and search. 
Besides that, I am also curious about other cloud providers, like GCP and Azure.

I'm the AWS Community Builder.

Speaker and co-organizer of the "Mambo Jambo Cloud Talks" community meetup in Prague.

Over nineteen years of experience in software development and design. I have been passionate about cloud technologies for the last nine years. My journey with the cloud began with Azure. However, about three years later, AWS became my primary clou... Show more

Phillip Ssempeebwa

Phillip Ssempeebwa

A self-motivated and detail-oriented Software and Web Developer with three years of industry experience in testing, validating, and enhancing application performance. Possesses strong skills in diagnosing issues and implementing effective solutions, honed through a solid academic background in Information Technology. Passionate about leveraging technology to
address environmental challenges, particularly in climate resilience. Adept at client engagement, project management, and collaborating with teams to deliver features and updates. A dependable professional with proven strengths in time management, troubleshooting, and ethical work practices, eager to contribute to organizational success and take on new challenges.

A self-motivated and detail-oriented Software and Web Developer with three years of industry experience in testing, validating, and enhancing application performance. Possesses strong skills in diagnosing issues and implementing effective solutions, ... Show more

Laurent Morisseau

Laurent Morisseau

Laurent Morisseau accompagne les PME et ETI dans leurs transformations rapides grâce à une approche de stratégie adaptative. Auteur reconnu, pionnier des OKR en France, il a cofondé le framework open source Agile4Enterprise. Il intervient sur les enjeux de pilotage sous incertitude, agilité d’entreprise, organisation en flux et (re)design stratégique. Conférencier expérimenté, il partage une vision lucide, systémique et actionnable du changement.

Laurent Morisseau accompagne les PME et ETI dans leurs transformations rapides grâce à une approche de stratégie adaptative. Auteur reconnu, pionnier des OKR en France, il a cofondé le framework open source Agile4Enterprise. Il intervient sur les enj... Show more

Jens Thirmeyer

Jens Thirmeyer

As an experienced solution architect and a former CTO in the green technology sector, I specialize in delivering value to customers across the domains of energy, IoT, and IT security. My expertise lies in translating complex technical concepts into practical solutions that drive innovation and sustainability. With a track record of successful projects and a passion for cutting-edge technologies, I’m committed to shaping a greener, smarter future.

Following, five areas of expertise:

Sustainable Energy Solutions:
From home energy management systems to concepts for smart grids and the utilization of flexibilities from home to markets, I’ve led teams in developing sustainable energy solutions that reduce environmental impact and enhance efficiency.

IoT Integration:
Leveraging the Internet of Things (IoT), I’ve designed and implemented smart systems that connect devices, collect data, and enable predictive maintenance, ultimately improving operational performance.

Cybersecurity Strategies:
My focus on IT security ensures that organizations can confidently adopt digital transformation. I’ve established robust cybersecurity frameworks, safeguarding critical assets and data. Especially the EU Cyber Resilience Act is an essential must, but furthermore, a great opportunity for improving and fostering the security of digital products along the value chain.

Strategic Technology Roadmaps:
By aligning business goals with technology initiatives, I’ve helped companies navigate digital transformations. My roadmaps prioritize scalability, agility, and long-term success.

Collaborative Leadership:
As a former CTO with up to 50 employees in my department, I foster cross-functional collaboration, empowering teams to innovate and drive impactful change. Let’s connect and explore how we can create a sustainable, secure future together!

As an experienced solution architect and a former CTO in the green technology sector, I specialize in delivering value to customers across the domains of energy, IoT, and IT security. My expertise lies in translating complex technical concepts into p... Show more

Baimam Boukar Jean Jacques

Baimam Boukar Jean Jacques

I am a Software Engineer with a Passion for Open Source. I love discovering new open source projects and understanding how they are powering developers. Fun fact: To the best of my ability, I always try to "Give Back" to open source packages, libraries, and software that really helped me by contributing or answering random questions on StackOverflow.

BECAUSE I UNDERSTAND THE WORLD DEPENDS ON OPEN SOURCE AND OPEN SOURCE DEPENDS ON ME.

I am a Software Engineer with a Passion for Open Source. I love discovering new open source projects and understanding how they are powering developers. Fun fact: To the best of my ability, I always try to "Give Back" to open source packages, librari... 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

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