CEO: Peng Zhao
Peng Zhao has served as CEO of Citadel Securities since 2017. He joined the firm in 2006 and rose through its quantitative research and technology functions. As CEO, Zhao is responsible for the firm's overall strategic direction. His tenure as CEO has coincided with the firm's expansion, its move to Miami, and the major market structure debates of the late 2010s and 2020s.
Chairman: Kenneth C. Griffin
Kenneth Griffin is the founder and chairman of Citadel Securities and the majority owner of both Citadel Securities and Citadel LLC. Griffin's role as chairman reflects his continued control over the firm's strategic direction even as day-to-day management has been delegated to Zhao and other executives.
President: Jim Esposito
Jim Esposito serves as president of Citadel Securities. He joined from Goldman Sachs, where he was co-head of the global securities division. His institutional background reflects Citadel Securities' evolution beyond pure retail market-making into broader institutional and global operations.
Kevin Nutter: COO of Data
Kevin Nutter is the Chief Operating Officer of Data at Citadel. Prior to Citadel, he was a Partner at System2, a data-driven consulting company, according to publicly available professional information. His role oversees data operations at one of the most data-intensive financial firms in the world.