The general counsel and chief financial officer of Boston-based Allied Minds took over as permanent co-CEOs of the intellectual property commercialization company, according to a filing on Monday in the London Stock Exchange.

Mike Turner, executive vice president and general counsel, and Joseph Pignato, executive vice president and chief financial officer, took on the role of co-CEOs on Monday. Jill Smith, who served as CEO since March 2014, retired Monday to serve on the board of directors at different companies.