Meghan Markle and Prince Harry‘s former chief of staff has nothing but kind words about her time with the Sussexes. Catherine St-Laurent, a philanthropic and strategic communications advisor, touched on her experiences as an employee for the duke, 36, and duchess, 39 — first as a chief of staff, now as a senior advisor for Archewell Foundation, the couple’s nonprofit organization — for The Cut‘s “How I Get It Done” column.