François Locoh-Donou is F5’s Chairman, President and Chief Executive Officer. He joined F5 in April 2017 as President, CEO and director. He was appointed Chairman of the Board in March 2026. Locoh-Donou brings nearly two decades of enterprise technology experience building a wide range of products, teams, and operations around the world. Locoh-Donou previously held successive leadership positions at Ciena, including Chief Operating Officer; Senior Vice President, Global Products Group; Vice President and General Manager, EMEA; Vice President, International Sales; and Vice President, Marketing. Prior to joining Ciena, he held research-and-development roles at Photonetics, a French opto-electronics company. Locoh-Donou serves on the board of Capital One Financial Corporation (NYSE: COF). He is also the co-founder and Chairman of Cajou Espoir, a social enterprise focused on cashew processing that employs several hundred people in rural Togo, 80 percent of whom are women. He holds engineering degrees from École Centrale de Marseille and Télécom ParisTech in France and a M.B.A. from the Stanford Graduate School of Business.