J.F. Lehman & Company, a middle-market private equity firm, has hired Caroline R. Bibb as managing director, Operations. She will be involved in all aspects of the firm's PE investment program, focusing in particular on the operational evaluation, oversight and direction of portfolio companies from acquisition through exit. Prior to J.F. Lehman, Ms. Bibb spent more than a decade at Honeywell International, most recently as a senior vice president and general manager.