Meet Our Team

NineDot Energy has an experienced team of energy innovators—including technical leaders, successful entrepreneurs, and new energy management and financial experts.

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DAVID ARFIN

CO-FOUNDER & CEO

David is driven to create innovative finance offerings to accelerate the adoption of clean energy. David invented SolarCity's SolarLease®, the game-changing solar financing program. He received the first-ever Innovation in PV Financing Award from the Solar Energy Industry Association. David is a co-founder of Ener-Pacte (France) and SolarNGreen (Mexico). Prior to SolarCity, David was co-founder and CEO of GlooLabs (acquired by Cisco Systems), and was founder and CEO of CLE Group (acquired by PLI). He received an MBA from the Stanford University Graduate School of Business, an MA in Public Policy Analysis from the Claremont Graduate University, and a BA in Political Science from UCLA.

ADAM COHEN, PHD

CO-FOUNDER & CTO

Adam is a physicist who thinks of our energy system as a complex, interconnected experimental laboratory. He seeks to uncover small technical, financial, and regulatory improvements that will cause tipping points for clean energy diffusion. Prior to NineDot, Adam was Science Team Lead for Split Technology, a smart transportation start-up (acquired by Volkswagen Group). Adam was a post-doctoral fellow of the U.S. Department of Energy where he launched a new research program applying social and behavioral science to scale up solar energy adoption. He earned a PhD from the Chaos Group at University of Maryland and a BS in physics from Bucknell University.

NALIN KULATILAKA, PHD

CO-FOUNDER & CHIEF STRATEGY OFFICER

Nalin is Wing Tat Lee Family Professor of Management and Professor of Finance at Boston University’s Questrom School of Business where he also serves as the co-director of the Susilo Institute for Ethics in the Global Economy. Nalin’s current research interests include impact investing and financing distributed energy resources. Nalin has published extensively in top academic journals as well as influential managerial publications. His book, Real Options (HBS Press), has received wide acclaim. His honors include Bertil Danielson Chair (Stockholm School of Economics), Takang Chair (Tamkang University, Taipei), and the Association for Investment Management and Research's Graham and Dodd Award. He has co-founded several companies including FirstFuel Software (energy data analytics), and NineDot Energy (community distributed generation for congested urban grids). He serves on the Board of Directors of Assette. Nalin holds a PhD from MIT.

BECCA SCHOFIELD-COHEN

ANALYTICS MANAGER

Becca’s interest is finding data-driven solutions for real-world problems.  At NineDot, her roles include developing financial models for clean-energy portfolios and modeling predictive electricity tariff rate engines. Prior to NineDot, Becca worked in economic consulting at Edgeworth Economics and NERA Economic Consulting where she used economic and statistical modeling to analyze allegations of price fixing and monopolization. Becca earned an MA from Johns Hopkins in Applied Economics and a BA with honors in economics from Bucknell University.

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EDWINA OWUSU-ADJAPONG

ANALYTICS INTERN

Edwina is passionate about modeling and optimizing energy systems to provide sustainable, efficient energy, and assessing different technology options for a low-carbon future while reducing the environmental impact of current energy technologies. She seeks to explore interesting strategies to simultaneously control greenhouse gas emissions and provide reliable, cost-effective energy while integrating potential renewable energy generation and storage systems with state and federal policies and regulations. At NineDot, Edwina conducts in-depth research and analysis to provide actionable insights into various distributed energy resources (DERs) that help make the New York power grid cleaner, more reliable, resilient, and affordable. She graduated from Stanford University with a BSc in Energy Resources Engineering and a Minor in African Studies.