Colgate-Palmolive Co. said late Monday that Noel Wallace has been elected the company's president and chief executive officer, effective April 2. Wallace has served as Colgate's chief operating officer since July 2018, and joined the company in 1987. Outgoing Chief Executive Ian Cook will serve as executive chairman for a year to help with the transition, the company said. The succession plan had started more than two years ago, the company said. Colgate shares were flat in the extended session after ending the regular trading day up 0.2%.