
Sydney Thiam is a Venture Building Lead at Catalyst Fund, where he helps scale climate tech ventures across Africa—from product to capital raise. A former founder and operator, he’s built and led teams across 10+ markets, with expertise spanning GTM strategy, scaling operations, and investment readiness. Before Catalyst, he led Sendy’s multi-country expansion and held strategic planning roles at Sid Lee and FCB, shaping campaigns for global brands across the automotive, retail, telco, gaming and beverage sectors. Today, Sydney’s work lives at the intersection of execution, impact, and capital—amplifying ventures that solve urgent challenges in emerging markets.