Pascal-Louis Perez is a Stanford CS grad, currently Sr. Staff Software Engineer at Google, working on a new open source operating system Fuchsia. Most recently, he served as an advisor to a number of companies, including the auction house Paddle8, and the invoice factoring company MarketInvoice. Before that, he was an early member of Square: in his four years leading Square’s engineering efforts, he helped scale the company from 120 San Francisco-based employees to 1,500 employees across eight global offices, about a third of which were engineers. Perez was a key driver in this expansion, overseeing the opening of the company’s New York and Atlanta offices. Before Square, he was the founding