David Katz, most recently senior vice president of product management and design at Fanatics, has joined Afterpay.

According to Afterpay’s press release Katz, during his almost six years at Fanatics, built the product management function from the ground up, launching their first mobile apps, doubling the mobile web conversion rate and opened the company’s first development center in Silicon Valley.

Prior to Fanatics, Katz was GM of Groupon’s consumer mobile division and VP of mobile and mobile strategy at Yahoo.