"This conclusion was neither a rash nor a recent decision," Hockey explains. : William Hockey, co-founder, chief technology officer and president of the fast-growing fintech business Plaid, will step down next week, TechCrunch has learned. The former Bain associate (pictured above left) co-founded the startup in 2012 alongside chief executive officer Zach Perret. Today, the San Francisco-based company employs 300 with additional offices in Salt Lake City and New York. “This conclusion was neither a rash nor a recent decision,” Hockey writes in a blog post shared with TechCrunch.