NU Online News Service, Dec. 3, 9:25 a.m. – John Hancock Advisers, a unit of John Hancock Financial Services Inc., Boston, has hired John Litzow to be a senior vice president in the unit’s private client group.

Litzow will be in charge of strengthening Hancock’s separate account management business, which now manages about $502 million in assets for wealthy individuals.

Litzow previously was director of investment consulting services at RBC Dain Rauscher, Minneapolis, a unit of Royal Bank of Canada, Montreal.

Litzow has a bachelor’s degree from Columbia University.