Katherine Arbuckle. Senior Vice President and CFO of
Ascension Health (St. Louis).
Ms. Arbuckle has served as CFO of Ascension Health — the nation's largest nonprofit Catholic health system — since April 2012. Before then, she was the executive vice president and CFO of Marriottsville, Md.-based Bon Secours Health System, a position she began in December 2006. From 2002 to 2006, Ms. Arbuckle was vice president of finance at Ascension Health.