Our Team

Staff

Andreas Karelas

Executive Director

Zak Federer

Solar Program Manager

Ryan Dexter

Senior Marketing and Communications Manager

Mark Matos

Senior Solar Account Manager

Elyse Wood

Solar Ambassador Program Manager

Mark Soriano

Full Stack Web Developer

Board of Directors

Megan Crocker

Board Chair

Director, Strategic Partnerships for CSIRO US

Jon Gibson

Treasurer

Trading Operations, Farallon Capital Management

Adrienne Pierce

Secretary

Director of Product Marketing at IronRidge

Ken Alston

Chief of Staff , New Energy Nexus

Jennifer Martin

Executive Director, Center for Resource Solutions

Maura McKnight

Executive Director, Business Council on Climate Change

Robert J. Nelson

Partner, Lieff Cabraser Heimann & Bernstein, LLP

Kassie Rohrbach

Associate Director, Sierra Club

Michael Spiegelman

Vice President, Global Product Innovation at Netflix

Dr. Paul Wapner

Director of Global Environmental Politics Program, American University

Clint Wilder

Senior Editor, Clean Edge

Andreas Karelas

Andreas Karelas is the founder and Executive Director of RE-volv. Andreas is a dedicated renewable energy advocate with over 15 years of environmental and renewable energy nonprofit experience. Prior to founding RE-volv Andreas worked with a number of leading organizations including the American Council on Renewable Energy (ACORE), the National Audubon Society, blueEnergy, and the Center for Resource Solutions. Andreas holds Master’s degrees in International Affairs and in Natural Resources and Sustainable Development, and a Bachelor’s degree in Economics. He is a 2013 Audubon Toyota TogetherGreen Conservation Leadership Fellow and a 2016 OpenIDEO Climate Innovator Fellow.

Contact Andreas at andreas@re-volv.org

Zak Federer

Zak is on a mission to make clean energy a reality for everyone. Prior to joining RE-volv, Zak dedicated more than three years to advancing the adoption of solar. He worked with two major solar developers to facilitate financing for over 30 MW of solar capacity in the residential and commercial sectors, and enhanced their business processes to support further solar development. Zak holds a Bachelor’s degree from the University of Chicago, and is currently pursuing NABCEP certification in PV.

Contact Zak at zak@re-volv.org

Ryan Dexter

As a digital communications specialist, Ryan delivers powerful and original multimedia content to drive impact and build movements. His passion lies in accelerating the transition to a more equitable economy through transformational storytelling. Prior to RE-volv, Ryan has worked with Van Jones, Obama’s communication team, Joe Biden’s middle-class task force, Solar Mosaic, and Green For All. Ryan loves Redwood forests, mythical animals, and telling the stories of those thriving in the green economy.

Contact Ryan at ryan@re-volv.org

Mark Matos

With a passion for social equity, Marcos has led a national program providing solar systems to low-income neighborhoods, is on the advisory board of a prominent food justice organization, and has worked with immigration organizations fighting for migrants and asylum seekers' rights. As a trained life coach, he most recently launched a nonprofit addressing the barriers that exist in accessing life coaching – predominantly working with recovering addicts. Spending much of his youth in his parent's Latin record store, he is an avid live music fan, a reluctant fanatic of New England sports, and has a deep love and admiration for the natural beauty of the world – both in its landscapes and people.

Contact Mark at mark.matos@re-volv.org

Elyse Wood

Elyse is passionate about making clean energy and sustainable practices accessible to all. Prior to working at RE-volv, she managed a leadership program for high school and college students at the Golden Gate National Parks Conservancy which focused on empowering young member-staff to develop social and environmental justice projects in their communities. As Solar Ambassador Program Manager, she hopes to continue to empower youth to be a part of the environmental justice movement and bring renewable energy to all communities.

Contact Elyse at elyse@re-volv.org

Mark Soriano

Mark is passionate about making renewable energy accessible to everyone. Prior to joining RE-volv, He mentored in a computer science program to empower underrepresented students through technology. Mark holds a Bachelor's Degree in Computer Science and has been working as a software developer. When he isn’t working, you’ll find Mark listening to music, searching for new tech, and playing guitar.

Contact Mark at mark@re-volv.org

Megan Crocker

Megan is Director, Strategic Partnerships for CSIRO US. She joined the team in 2018 and supports the development of partnerships across multiple science capabilities. She is a recognized relationship professional with over two decades of cross-sectoral leadership in partnerships and client service.

Megan spent 10 years leading the client service team for a $10B AUM institutional hedge fund company, consulted for a start-up financial services organization, and stewarded funders as Director, Strategic Partnerships, for the Energy Foundation. Megan serves as board chair for a solar non-profit organization, RE-volv.org, mentored the winning team for CleanTech Open, and spent two years founding a clean-tech venture fund. She earned an MBA in Sustainability from Presidio Graduate School in San Francisco, is a Chartered Alternative Investment Analyst (CAIA), and has a bachelor’s degree in Veterinary Science from the University of Arizona with minors in Chemistry and French.

Jon Gibson

Jon Gibson is a sustainable business builder dedicated to renewable energy resource development. He works as a financial analyst and business development strategist because it feels good to make money for both himself AND others while helping solve the world’s critical energy transition needs. Jon earned an MBA in Sustainable Management from Presidio Graduate School in San Francisco, and a Bachelors of Finance from Bentley University outside of Boston. He’s the co-founder of Muir Data Systems, a for profit Wind Energy Operations Software (SaaS) platform, has 10 years’ experience in hedge fund trading operations at Farallon Capital, and six years portfolio and partnership accounting experience.

Jon loves developing financial models to inform business planning and strategy as well as meeting member-staff, forging partnerships, building, and growing sustainable businesses. In his spare time he enjoys skiing and paddle boarding with his wife and two children and listening to The Energy Gang podcast. Connect with Jon on Twitter @Bugnato

Adrienne Pierce

Adrienne Pierce believes that clean energy can unify, include and build sustainable community. Adrienne has more than 15 years of experience in managing programs and building partnerships in environmental technology and semiconductor industries. At SunEdison, Adrienne led the REDI program to redesign the data collection and visualization for performance monitoring of over 1800 renewable energy sites. Previously, Adrienne was with Edwards as a global Business Development Director for vacuum, exhaust gas treatment and water purification systems used in the manufacturing of semiconductors and photovoltaics. Adrienne is active in the CleanTech Open, Women in CleanTech and Sustainability and TechWomen. She holds an M.B.A. from Thunderbird and a B.S. in Chemical Engineering from Lafayette College.

Clint Wilder

Clint Wilder is senior editor at leading clean-tech research and advisory firm Clean Edge and has been writing and speaking about the clean-tech industry for more than a decade. He is co-author of two books, Clean Tech Nation: How the U.S. Can Lead in the New Global Economy (HarperCollins, 2012) and The Clean Tech Revolution (HarperCollins, 2007). Clint is a frequent speaker at clean-tech and green business events in the U.S. and overseas, a blogger for the Green section of The Huffington Post, and has been a facilitator in the Energy and Climate Change track of the Clinton Global Initiative. At Clean Edge, Clint is a lead author of many of the firm’s research reports including its flagship U.S. Clean Tech Leadership Index, a widely cited annual ranking of U.S. states and metro areas in leadership in clean-tech deployment, policy, and finance. He is also director of clean technology at Green Bear Group, a Silicon Valley-based green marketing services firm. A Californian for nearly 25 years, Clint lives in Sausalito and is a former member of the Sierra Club Marin Group executive committee. He has a B.A. in history from Yale University and did graduate work in business journalism at Boston University.

Paul Wapner

Paul is a thought leader on the environmental issues of today. He is a prolific writer having written such books as Living Through the End of Nature: The Future of American Environmentalism, and, Environmental Activism and World Civic Politics. Through his years of teaching he has developed a deep understanding of human behavior in relation to environmentalism, climate change, and civic engagement.

Jennifer Martin

Jennifer has over twenty years of experience in renewable energy, energy efficiency and distributed generation policy, markets and technology development, as well as electricity sector and climate change policy and regulation. Jennifer is responsible for the overall management of the Green-e Energy and Green-e Climate certification programs, and provides strategic program guidance to all CRS programs and new initiatives. Jennifer is a long-standing leader in the renewable energy community.

Kassie Rohrbach

Kassie Rohrbach is a Senior Energy Campaigner at Greenpeace, leading up the 100% Renewables campaign in the U.S. Previously, Kassie served as the Senior Campaigns Manager for National Wildlife Federation’s Climate and Energy Program. Kassie brings over a decade of experience with campaign organizing and coalition building, working to address the climate crisis. Prior to joining NWF in 2008, Kassie co-founded and served as the Co-Director of Energy Action Coalition (EAC), a youth led coalition of environmental and social justice organizations. Kassie also spent three years at the Center for Resource Solutions, working on the Green-e Renewable Energy Certification Program. In 2003, Kassie graduated from Connecticut College with a BA in Gender and Women’s Studies. She got her start organizing on climate and energy while at Connecticut College, where she led one of the first student campaigns to invest in renewable energy.

Ken Alston

Ken Alston is Chief of Staff at New Energy Nexus, an international organization that supports clean energy entrepreneurs with funds, accelerators, and networks, featuring programs in California, China, India, Southeast Asia, and East Africa. He also serves as Investment Manager for CalCEF Ventures. Prior to these roles, Ken served in the Obama Administration at the White House and U.S. Department of Energy. He holds a BA in Economics from the University of Virginia, an MBA from the Stanford Graduate School of Business, and an MS in Environment and Resources from the Stanford School of Earth, Energy, & Environmental Sciences.

Maura McKnight

Maura McKnight is the Executive Director of the Business Council on Climate Change (BC3) - a membership-driven nonprofit organization of corporate sustainability leaders implementing and championing tangible climate action in the San Francisco Bay Area. As an action-oriented leader, she has spent 15+ years working at the intersection of climate/energy, technology, conservation, business development and social impact. Prior to joining BC3, Maura worked for 8 years leading Corporate Partnerships for GRID Alternatives - the nation's largest nonprofit solar installer. Early in her career Maura worked as a biologist for the National Park Service. She holds a B.S. from U.C. Berkeley with a degree in Conservation and Resource Studies and an M.S. in Wildlife Biology from Humboldt State.

Michael Spiegelman

Michael Spiegelman is currently the Vice President of Global Product Innovation for Growth & Acquisition at Netflix, where his team is responsible for acquiring new subscribers in 190 countries around the world through product features and programmatic marketing channels. He originally joined Netflix in 2010 as Director of Product Innovation and led product strategy for the streaming website and tablet experiences.

Before joining Netflix, Michael was at Yahoo!, where he was Senior Director of Entertainment & Lifestyle Products, responsible for the music, movies, TV, celebrity, video and lifestyles websites around the world. Prior to that, he was Senior Director and General Manager of Yahoo! Music, running product development, label relations and editorial for the company's music business, including personalized radio, music videos and artist information. He started at Yahoo! in 2003 as a product manager in the music division, where he helped launch the Yahoo! Music Unlimited subscription service.

Previously, Michael was co-founder and principal at Web Paradox, an independent web design and development consultancy, where he was responsible for developing and maintaining client relationships with companies such as Verizon, AT&T and the US Marine Corps. Before that, he was a Senior Strategy Consultant at iXL, an early Internet consulting firm, where he helped large companies as well as startups formulate digital strategies. He also worked at Arthur Andersen Consulting and began his career in the public sector consulting practice at PricewaterhouseCoopers.

He currently lives in San Francisco, California.

Robert J. Nelson

Robert J. Nelson is a partner at Lieff Cabraser Law Firm. He has played a leading role in the firm's False Claims Act (whistleblower law), automotive, aviation, defective products, mass torts, tobacco, and consumer fraud cases, taking on many of the world's largest corporations and holding them accountable. He has served as court-appointed Lead or Co-Lead Counsel in numerous state and federal coordinated proceedings, as well as in more than 30 class actions.