Andrew Chastain has been promoted to CEO of executive search firm Witt/Kieffer, based in Oak Brook, Ill., effective June 30. He succeeds
Charles Wardell, who has served as CEO since 2011. Wardell will remain at the firm as a senior adviser.
Chastain currently serves as managing partner and chairman of Witt/Kieffer’s healthcare practice. He has been with the firm for more than 20 years, previously serving as managing partner of its Southern region and coleader of the Central region.