Geoff Reiss has been named head of sports partnerships for Twitter. Previously, Reiss served as the CEO for the Professional Bowlers Association since 2011.

PBA Commissioner Tom Clark will assume day-to-day management responsibility for the organization.

Reiss will continue to be involved in the PBA, transitioning to its Board of Directors.

“Tom’s vast experience and passion for the sport of bowling give him a unique ability to see our turnaround through its final phase” Reiss said.