Jim Maser is the president of Pratt & Whitney Rocketdyne (PWR). Pratt & Whitney Rocketdyne is a business unit of United Technologies Corporation (NYSE: UTX). Maser was president and chief operating officer of Space X. He also spent 18 years with the Boeing Company where his last position was president and general manager of Sea Launch Company, LLC, an international partnership of which Boeing is the lead partner. He also served as Sea Launch's chief systems engineer, and he was the chief engineer on the Delta program where he worked extensively with Rocketdyne.