Ann Moynihan, founder of the 34-year-old Documentation Strategies, has named the next leader of the information technology consulting firm. Moynihan will leave Documentation Strategies in the coming months, after helping Tami Cole to transition into the role of president and CEO. Moynihan says she'd considered selling the company for several years. She began talking with Cole about a leadership transition about a year ago. "It's a good continuation," Moynihan says. "I also think that the fact that…