Buck Consultants promoted 10 professionals to principal, the most senior level at the firm. Janet Cranna, Lisa B. Hoffmann, Karen Kinol, George Lovaglio, Michael Moehle, Teresa Tsui and Robin Zlotowitz are now principals and consulting actuaries. Reed S. Joiner has been promoted to principal and benefit consultant. Ellen Braverman is principal and director of technology. John T. Hankerson is principal and office manager in Seattle. Buck is a subsidiary of Mellon Bank Corp.