Burson-Marsteller has appointed Alan Arkatov to the new position of president and CEO of its Southern California region, based in Los Angeles. He also will lead the firm's national education group and oversee its West Coast public affairs group. Previously, Arkatov was president of the eEducation Group. Burson also named Bill Kahrl, a six-year veteran of its public affairs practice, to lead its Sacramento, Calif., office as managing director, as well as steer its national water policy and land use group. Jay Ziegler, who formerly led the firm's California public affairs group, has taken a position with Burson client Sutter Health. He also will serve as senior counselor to the agency.