Team Climate Success

At ClimateSuccess, we provide teams and investors with executive-tier strategic advice and hands-on execution in a scalable and affordable model. Our analytical approach and diverse expertise help organizations make confident, informed decisions. Read more here.

David J Neff

David J. Neff is a Venture Capital Partner who has 24 years of experience spanning software development, digital products, and strategy. Neff has built an impressive career trajectory from the early .com era through successful entrepreneurial ventures. His journey includes leading digital initiatives at the American Cancer Society, founding multiple companies with successful exits, and consulting for Fortune 500 clients. A bestselling author of three books and TEDx speaker, Neff currently serves on the boards of UT's Moody College of Communications and the Multicultural Refugee Center.

Jeff Stoike, PhD

Jeff has over two decades of experience in international development as a researcher, entrepreneur and consultant. He has engaged in institution-building in the Middle East, Latin America and the Caribbean and brings experience in organizational leadership from academia and government as well as the corporate and non-profit sectors. Jeff has a Ph.D. in International Sustainable Development from Yale University. He developed the Climate Philanthropy Project at the Urban Institute and engaged in 'corporate diplomacy' in Silicon Valley for the U.S. State Department.

Corey Pudhorodsky

Corey Pudhorodsky brings 20+ years of experience driving success for purpose-driven startups and tech companies across nonprofit, commercial, and public sectors. He has led customer success programs impacting over 10K customers, managed teams of 250+ professionals, consistently achieving world class customer retention rates. He specializes in operationalizing and scaling post-sales revenue teams to drive mission impact from seed to exit. Most recently, Corey led a $70M software division at Community Brands and now focuses on improving customer experience across climate tech solutions.

Additional Team Members in our Network

Lorraine Damerau

Lorraine Damerau is an organization designer with over a decade of experience working at the intersection of strategy and organizational health. Lorraine takes an interdisciplinary, systems thinking approach to help clients diagnose and tackle their most pressing challenges – bringing in concepts from business strategy development, systems engineering, behavioral economics, and game theory. With experience in boutique strategy advisory firms and large consulting companies, Lorraine has built deep expertise in how to design organizations to achieve growth ambitions. Lorraine holds an MBA from London Business School, an MSc in Economics from University College London, and a BA in Physics from Georgetown University.

Nathan Arbitman

Nathan Arbitman is a strategic leader with a proven track record in the climate tech and advanced materials industries. He has launched breakthrough products, structured high-value partnerships, and scaled businesses at Fortune 500 and PE-backed companies. As CEO of Endurans Solar, he secured growth capital, improved profitability, and led an M&A deal that tripled capacity. Previously, he held leadership roles at DuPont and DSM Advanced Solar, driving innovation and investment. With expertise in strategy, market expansion, and business transformation, Nathan helps companies capitalize on emerging opportunities. Outside of work, he enjoys time with his family, paddleboarding, and live music.

Ashish Umre, PhD

Ashish Umre is an AI, Innovation, and Product leader with 20+ years of experience across MarTech, Telecoms, Retail, CPG, Gaming and Financial Services. He specializes in data-driven products, digital transformation, and innovative business models, consistently delivering impactful results. Ashish is passionate about energy transition, carbon accounting, ocean risk, and GHG emissions using geospatial data and analytics. He has also built a global wildfire risk intelligence platform, leveraging AI and advanced analytics to assess environmental risks. As a trusted advisor to startups, academia, and government bodies, he provides insights on AI, data ethics, and innovation. Committed to mentoring future innovators, he actively supports STEM education, climate initiatives, and sustainability projects, leveraging technology for positive impact.