Harold “Max” Messmer, Jr., is chairman and CEO of Robert Half International, the world’s largest specialized staffing firm. Messmer led RHI from a small, franchised company to a global enterprise with revenue of $4.1 billion. He recently wrote the third edition of Human Resources Kit For Dummies. RHI frequently appears on Fortune magazine’s list of the World’s Most Admired Companies, and Ethisphere named RHI to its World’s Most Ethical Companies list in 2013. Among Messmer’s numerous awards are SIA’s Peter Yessne Staffing Innovator and Bay Area’s Most Admired CEO in a large public company by the San Francisco Business Times.