Our Team

Staff

Sarah Cabell

Director of Operations

Andreas Karelas

Executive Director

Prasanna Krishnan

Solar Asset Manager

Sean McGaughey

Director of Solar Project Operations

Sydney Muñoz

Community Engagement Coordinator

Mark Soriano

Software Engineer

Board of Directors

Jon Gibson

Treasurer

Trading Operations, Farallon Capital Management

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

Acting 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 an Audubon TogetherGreen Conservation Leadership Fellow, an OpenIDEO Climate Innovator Fellow, and the author of the forthcoming book Climate Courage.

Contact Andreas at andreas@re-volv.org

Prasanna Krishnan

Prasanna Krishnan is a solar energy engineer with 13 years of experience as an engineer, consultant and entrepreneur. Pras' relationship with RE-volv dates back to 2014 when he first discovered the organization. In 2015 he joined the board and served until 2018, serving as chair for his final year. He has worked in engineering and leadership roles at OptiSolar, Belectric, SunEdison as well as co-founding an energy storage startup. As principal of Surya Energy Consulting he provides independent engineering, asset management, and O&M consulting services to a range of local and international clients. He holds degrees in electrical and solar engineering. Pras is very excited to be part of the team in this new capacity and looking forward to supporting RE-volv’s growth over the coming years.

Contact Pras at pras@re-volv.org

Sydney Muñoz

Sydney is a passionate climate optimist who strives to create a more sustainable world through innovative solutions and community engagement. Sydney got her start in the sustainability field during undergrad, where she worked as the Student Director for her university’s Sustainability Resource Center and served on several sustainability committees. She has experience leading projects centered on waste reduction efforts, transportation demand management, sustainability behavioral and infrastructure change, and community engagement. Sydney holds a Masters of Sustainability Leadership degree from Arizona State University and a B.S. in Business Administration with a concentration in Marketing from Southern Oregon University. When not working on sustainability and clean energy projects, Sydney enjoys hiking, snowboarding, and camping in the mountains of Colorado, indoor rock climbing, and vegetable gardening on her patio.

Contact Sydney at sydney@re-volv.org

Sarah Cabell

Sarah Cabell brings 15 years of experience in non-profits, federal government, and small business in service of leaving the world better than she found it. Her expertise includes funding & grants, finance, business operations, HR & people operations, management, and leadership. With a deep commitment to sustainability through an empathetic lens, she has helped start, build, and grow multiple small businesses and organizations rooted in sustainability and culture. Sarah holds a BS in Human Development with a concentration in inequality studies from Cornell and an MBA in Sustainable Management from Presidio Graduate School. She lives in Oakland, CA with her husband and daughter.

Contact Sarah at sarah.cabell@re-volv.org

Sean McGaughey

Sean is a seasoned solar energy professional with over 10 years of experience in the industry. A long-time advocate for deploying solar energy to combat climate change, Sean is committed to make solar energy more equitable and accessible to communities that need it the most. While at Sungevity, Sean gained valuable experience in Project Management, Operations, and Process. During his sabbatical, he volunteered in Nicaragua helping install off grid solar systems, consulted for an energy efficiency company in Colombia, and most recently worked for a solar and storage company in Australia. Sean is very excited to join RE-volv to help nonprofits reduce their energy bills with solar so that they may further support their communities and mission.

Contact Sean at sean.mcgaughey@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

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

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 Acting Director at Sierra Club, 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.

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.