NEW YORK: Hill+Knowlton Strategies has appointed vice chairman Mark Thorne global COO, succeeding Ken Luce, who will take on a senior adviser position. The move is part of a realignment of senior roles at the WPP Group firm.

Thorne previously served as COO for H+K from 1994 to 2011. Before that, he was CFO of WPP from 1993 to 1994.

Luce, who joined the firm in January 2011 from Weber Shandwick, is shifting his role to be “exclusively related to large ...