Stanley Consultants, a Muscatine, Iowa, global designer, named Kate Harris and Gayle Roberts as CEO and chairman, respectively. Harris, who also is president and succeeds Roberts in both roles, previously was senior vice president and a global commercial officer at MWH Global. Stantec bought MWH in 2016. Roberts, who served as CEO since 2012, succeeds Gregs Thomopulos, a 52-year firm veteran who is chairman emeritus.