Team Climate Success

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.

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.

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Tim Silman is an innovation strategist who has worked with startups, nonprofits, governments, and multinational corporations to identify, evaluate, and deploy new technologies and innovations. His startup advisory practice focuses on supporting founders in honing their pitch and messaging, developing their GTM strategy, cultivating customers and strategic partners, and engaging broader stakeholder ecosystems to support their success.

He has advised multiple startups in both an independent capacity as well as through his leadership of the TOM FORD Plastic Innovation Prize and Accelerator, a global prize competition that awarded $1.2M in grants and equity to biomaterial startups developing novel plastic alternatives, where winners accessed a year-long accelerator program focused on brand building and corporate engagement. 

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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.

​With over 25 years of experience in finance, strategy, and operations, Lu has a proven track record of driving financial success across diverse industries, including energy, cleantech, biotech, and investment management. Lu spent 10 years at Ernst & Young (E&Y) in their Energy & Utilities business unit, advising leading corporations and investors on financial strategy, risk management, and capital structuring. Following E&Y, he worked for private equity investors to finance and develop clean energy projects in Southeast Asia, navigating complex regulatory and financial landscapes to drive sustainable infrastructure growth. As CFO/COO of a cleantech transportation startup, Lu led financial and operational strategies to scale the company in a rapidly evolving sector. Transitioning into investment management, he served as CFO of a quantitative/systematic hedge fund, overseeing financial operations and investor relations. Lu is a fractional CFO, supporting high-growth technology companies, including those in cleantech and biotech, providing strategic financial leadership and capital raising expertise to drive sustainable growth. ​Lu hold a BSME from Case Western and a joint MBA from Columbia Business School and London Business School.