Mainardo de Nardis has stepped down from his full-time executive responsibilities as Global President and Chief Operating Officer of , less than a year after taking on the role, marking another senior leadership change at the independent communications agency.The company confirmed that de Nardis will continue to serve on Edelman's Board of Directors while it begins the process of identifying a successor. An announcement regarding the future leadership of the role is expected at a later date.His departure follows another recent leadership transition at the firm. Earlier this year, announced he would step down from his management position in August after 15 years with the company. At that time, Edelman had said its regional leaders would report directly to de Nardis.In a statement, an Edelman spokesperson thanked de Nardis for his contributions to the firm's strategic direction, client relationships and global operations, while wishing him success in his future endeavors.De Nardis joined Edelman as Global President and COO in October 2025, succeeding , who transitioned to the role of Executive Vice Chairman. He was tasked with overseeing the firm's worldwide strategy and operations, driving profitable growth, strengthening operational consistency across markets and advancing Edelman's integrated "One Edelman" model.Before assuming the executive role, de Nardis had served on Edelman's Board for five years. He brought extensive international leadership experience from senior positions at , and .Edelman has not yet announced who will replace de Nardis. The leadership change was first reported by Earned First.