WW CEO Ousted as New Weight-Loss World Makes Diet Program Passe

WW International Inc. ousted Chief Executive Officer Sima Sistani after a tumultuous two-and-a-half year tenure at the diet company.

Her exit is the latest in a string of high-profile departures amid plunging shares at the company, also known as WeightWatchers. Board member Tara Comonte will immediately assume the role of interim CEO, according to a statement Friday.

WW struggled with its identity as customers shunned diet culture, and weight-loss shots emerged as a potent tool for those seeking to shed pounds. The company is now selling the medications from Novo Nordisk A/S and Eli Lilly & Co., but that ...