Personnel Changes: AIG, Mutual of Omaha, Others

Berg has been the leader for new business acquisition and for the planning and delivery organization in the individual life technology division at Hartford Life, another Hartford unit, Woodbury says.

Berg has a bachelor’s degree in economics and mathematics from the University of Wisconsin in River Falls, Wis., and a master’s degree in information management from the University of St. Thomas.

- Disability RMS, Westbrook, Maine, a unit of Assurant Inc., New York, has hired Kevin Tierney to be vice president and general counsel.

Tierney previously was an arbitrator and mediator. He also has worked for Unum Group Corp., Chattanooga, Tenn.

Tierney has a bachelor’s degree from Bowdoin College and a law degree from the University of Maine.

- The consulting arm of Aon Corp., Chicago, has hired Ken Oehler to be vice president and New York office leader for the organizational performance and implementation practice.

Oehler previously was principal for the global change implementation practice at Towers Perrin Forster & Crosby Inc., Philadelphia.

Oehler has a bachelor’s degree in economics from the University of Michigan, and a master’s degree and doctorate in industrial and organizational psychology from DePaul University.