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What is the GreenTech Challenge?

Welcome to the W3B GreenTech Challenge, a virtual conference that encourages participants to leverage technologies like AI to create solutions in the green tech space. Immerse yourself in a unique pitch competition, guided by insights from distinguished speakers, including Berkeley and Stanford professors and industry experts. Compete for a prize pool of $2000 to advance the development of your groundbreaking innovations that contribute to a greener tomorrow!

Event details will be sent through email after registration. Join our Discord in the meantime and engage with our community!


Pacific Standard Time (GMT-8)

Registration opens

June 21

Registration closes

July 24 @ 11:59 PM

Opening ceremony + prompt released

July 26 @ 9:00 AM

Workshops begin + pitch preparation

July 27 all-day

Pitch presentations + awards

July 28 @ 9:00 AM

Cash Prizes.png

Cash prizes will be split amongst team members and can be replaced by an equal-value donation to a charity of their choice.




About the Speakers


Daniel Kammen

Professor of Energy at the University of California, Berkeley

Daniel Kammen is a prominent expert in sustainability and climate science, holding the James and Katherine Lau Distinguished Professorship at the University of California, Berkeley. He is involved in multiple academic departments including the Energy and Resources Group, the Goldman School of Public Policy, and the Department of Nuclear Engineering. His research emphasizes the decarbonization of energy systems, energy access, and climate justice. Kammen has served in significant roles such as the Senior Advisor for Energy and Innovation at USAID and was appointed by Secretary of State Hillary Clinton as the first ECPA Fellow in 2010. He has also contributed to the Intergovernmental Panel on Climate Change (IPCC), which was awarded the Nobel Peace Prize in 2007. Kammen’s extensive body of work includes over 450 publications, and he actively engages in research through his Renewable and Appropriate Energy Laboratory. Additionally, he has founded or is on the board of over ten companies and has provided expert guidance to both state and federal governments. His educational background includes physics degrees from Cornell and Harvard, with postdoctoral research at Caltech and Harvard. Kammen is a member of the American Academy of Arts and Sciences and various other advisory boards focused on renewable energy and environmental justice.


Jeffrey Brown

Managing Director, Stanford Sustainability Accelerator

Jeff Brown has extensive experience bringing new technologies to market and is a pioneer in the field of renewable chemicals. Prior to founding and becoming CEO of Novvi, he was a Vice President at Amyris developing new products from synthetic biology. He founded Yutomi, a company commercializing environmentally friendly lubricants and has many years of experience leading petroleum research programs. Jeff has worked in the solar industry as Director of Engineering at XeroCoat. Prior to XeroCoat, Jeff was Manager of Business Development and Program Manager at Symyx Technologies executing high throughput materials discovery programs and building new business opportunities. Jeff served as Director of Engineering at Angstron Systems, a developer of atomic layer deposition (ALD) technology for the semiconductor industry. He has worked at Applied Materials and Motorola as an engineer developing new products. Jeff has many patents and publications to his name. Jeff holds an MS in Mechanical Engineering from Stanford University and a BS in Mechanical Engineering from the University of Michigan.


Rod Sinks

Board Member, FUHSD Board of Trustees

Rod Sinks, a trustee of the Fremont Union High School District (FUHSD), brings a distinguished track record of public service and leadership. With a decade of experience on the Cupertino City Council, including a term as Mayor in 2015, Sinks champions key issues such as education, economy, transportation, and the environment. His extensive regional involvement includes serving on the Cities Association of Santa Clara County Executive Board, chairing the VTA 85 Corridor Policy Advisory Board and the Silicon Valley Clean Energy Authority Board, and contributing to the Santa Clara County Recycling and Waste Reduction Commission. Sinks is also an active member of the Bay Area Air Quality Management District's Board and its numerous committees. Beyond his public service, Sinks has a background in engineering management, having successfully led two high-tech startups from infancy to established businesses. As a trustee, he focuses on preparing students for the challenges of artificial intelligence, addressing equity disparities, and finding innovative solutions to support teachers amidst Cupertino's high living costs.

  • Is there a registration fee for participating in the GreenTech Challenge?
    No, participation in this event is completely free! Specific details on the event link and schedule will be provided to registered participants.
  • Can I compete both individually and as part of a team?
    Yes, you can compete individually or in a team of up to four members. Each team member must register individually through the form at
  • Are there any specific themes or industries for the pitches?
    The pitches is open to a wide range of ideas and industries. There are no specific themes, allowing participants to showcase innovative ideas across various sectors. The open-ended prompt will be released at the opening ceremony.
  • Can international participants join the GreenTech Challenge, or is it limited to the US?
    Yes, anyone and everyone around the world is encouraged to compete!
  • Are there any requirements for going to the same school or being in the same grade?
    Nope, your team may consist of whatever mix you see fit!
  • Can I make changes to my registration information after submission, such as adding team members?
    Yes, the registration form allows response editing so that you can add members to your team up until the day registration closes.
  • How will the pitches be judged?
    Pitch presentations will be limited to a maximum duration of 5-7 minutes. The pitches will be judged based on innovation, feasibility, presentation quality, and overall impact. The W3B team and our guest speakers will form the judging panel, collectively making a comprehensive decision.
  • Will there be opportunities for networking during the event?
    Yes, there will be networking opportunities during the event. Participants will have the chance to connect with fellow innovators, mentors, and potential collaborators.
  • How can I prepare for my pitch?
    Participants are encouraged to thoroughly prepare their pitches, focusing on key aspects like problem identification, solution, market potential, and execution strategy. Consideration of the judging criteria is essential for a successful pitch. Practicing as a team together is key!
  • Are there any technical requirements for participating in the virtual GreenTech Challenge?
    Participants will need a stable internet connection and access to Zoom for the virtual pitch sessions. Ensure that your devices meet the technical requirements for a smooth experience.
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