Bridget Spellman, Leader of Mainframe Services Delivery at Ensono For more than three decades in leadership—and the last five years leading global mainframe services delivery at Ensono—Bridget Spellman has built her career around a simple principle: Trust people first. Today, she oversees a global organization of more than 700 employees supporting clients across the U.S., India, the U.K., Poland, Singapore, and Brazil.