A unit of Minnesota Mutual Companies Inc., St. Paul, Minn., has given several of its executives new titles.

The unit, Securian Financial Group Inc., has promoted James Johnson to executive vice president from senior vice president. Johnson oversees the company’s group life business.

Securian also has promoted Jean Delaney Nelson and Robert Olafson to senior vice president, from vice president.

Securian has promoted Dr. George Batti, Betty Brost, Leslie Chapman, and David Kuplic vice president, from second vice president.