Angus King is a cheerleader, idea generator, coach, and sounding board. He serves as the President of Peaks Renewables and is truly passionate about the role that renewable energy and conservation play in contributing to improving and protecting the resources we all share and appreciate. In addition to his role at Peaks Renewables, Angus is a board member of The Nature Conservancy in Maine, enjoys ice hockey, and loves being outdoors with his family. Whether hiking, snowshoeing, skiing, hunting, or fishing, it’s safe to say Angus is a true Maine outdoorsman who is dedicated to keeping Mother Nature protected for future generations to enjoy.

Lizzy Reinholt joins Peaks after nearly a decade supporting the company as the SVP of Corporate Affairs, Sustainability, and Marketing at Summit Utilities, where we worked closely with Peaks and others to develop policies and corporate strategies to reduce emissions and establish new policy pathways to advance the development of renewable fuels. She is excited to join the Peaks team, where she can focus exclusively on building the team and helping companies, states, and the country advance their climate goals by decarbonizing the molecule and turning waste into energy. When she’s not at work, Lizzy enjoys hiking, skiing, and spending time with her husband and daughter in the woods of Maine. She also serves on several state and local nonprofit organizations focusing on economic development and community health and wellness in rural Maine.

Aidan Renaghan serves as Peaks Renewables’ Director of Renewable Project Development. His passion for sustainability can be traced back to his continual desire to conquer new challenges and find innovative solutions to ‘unsolvable’ problems. He believes that climate change is the great challenge of his generation, and that decarbonizing thermal energy is the key to achieving carbon reduction at a speed and scale necessary to meet this global challenge. Aidan had a varied career before joining the Peaks team, serving in the Peace Corps in Ukraine, working as a professional chef, and spending time in higher education and international development. Now, his career path is driven toward finding solutions in the renewable energy sector to create a cleaner and brighter future for him and his family.

Geoff Sparrow serves as Peaks Renewables’ Director of Renewable Project Development. He started working in the renewable energy industry in 2006. During his career, he has focused on solar construction, design, engineering, and project development. He is a licensed Professional Engineer. Throughout his professional journey, Geoff has been fortunate to guide enthusiastic and eager individuals, deriving satisfaction from coaching and leading teams to success. He is passionate about decarbonizing our economy and strongly believes turning waste and renewable electricity into renewable fuels is the most viable path to achieve this goal. Outside of work, Geoff enjoys spending time with his wife and two daughters, being outdoors, bass fishing, and playing squash.

Graham Christy works as the Senior Manager of Engineering for Peaks. Graham offers unparalleled experience in the renewables field by leading project process development, oversight of in-field installations, and industry and new technology evaluation. With an understanding that people will always need energy, Graham’s skills in determining the technical feasibility and evaluation of renewable natural gas (RNG) and hydrogen projects will aid in discovering more sustainable solutions for future generations. Graham is a loving husband and newly appointed dad, and enjoys cheering on the Colorado Boulder Buffs.

Rob Quellmalz’s heart for sustainable development and construction practices is rooted in his work experiences managing the development of food-waste-fueled anaerobic digesters and advanced food-producing greenhouse projects across the country. He brings with him years of experience in development and the renewable fuels space. A beach-going California native, he now proudly calls the north shore of Massachusetts home. When he's not developing projects, Rob is a loving husband and dog/cat dad that enjoys ocean swimming, world history, and science-fiction novels.