Alex Harris is a venture capital investor at Fiat Ventures who architected Chime's early growth engine, joining right after Series A and helping scale the company from around 10,000 customers to over 15 million while building their paid growth playbook across 10+ channels. He co-created a reverse-engineered venture model through Fiat Growth, where his team works deeply with companies before investing as ultimate due diligence, then combines hands-on growth execution with capital through Fiat Ventures.