State Street Corporation filed a Form 8-K on September 14, 2026, disclosing two executive leadership appointments effective immediately: Mostapha Tahiri as President of State Street Alpha, and Ann Fogarty as Enterprise Chief Operating Officer.

Key Highlights

  • New Enterprise COO: Ann Fogarty, previously Investment Services Chief Operating Officer, has been appointed Enterprise Chief Operating Officer, succeeding Mostapha Tahiri.
  • Tahiri's new role: Mostapha Tahiri, previously Enterprise COO, has been appointed President of State Street Alpha and will continue as Chairman of Asia Pacific.
  • Effective immediately: Both appointments were stated as effective immediately as of September 14, 2026.
  • Fogarty's compensation: In connection with her appointment, Ms. Fogarty's target incentive compensation award will be $5,650,000.
  • Fogarty's prior State Street tenure: She joined State Street in March 2021 and most recently served as Executive Vice President and Chief Operating Officer of Investment Services since July 2025.
  • Prior experience: Before State Street, Ms. Fogarty served as Global Head of Operations for BNY Mellon from February 2018 to February 2021.

State Street Announces Dual Leadership Changes in COO and Alpha Roles

According to the filing, State Street Corporation (NYSE:STT) announced on September 14, 2026, that Mostapha Tahiri has been appointed President of State Street Alpha while retaining his role as Chairman of Asia Pacific. Ann Fogarty steps into the Enterprise Chief Operating Officer position that Mr. Tahiri previously held. The company disclosed that both appointments are effective immediately.

The filing provides biographical detail on Ms. Fogarty, who is age 60. She had served as State Street's Executive Vice President and Chief Operating Officer of Investment Services since July 2025, and prior to that as Executive Vice President and Head of Global Delivery from March 2022 to July 2025. She joined State Street in March 2021 as Executive Vice President and Deputy Head of Global Delivery. Before joining State Street, she held several senior roles at BNY Mellon, including Global Head of Operations from February 2018 to February 2021 and Global Head of Fund Accounting and Administration from March 2015 to February 2018. The filing also notes that she served as Head of Hedge Fund Administration at AIB Capital Markets from January 1995 to December 2002.

In connection with her appointment as COO, the filing discloses that Ms. Fogarty's target incentive compensation award will be $5,650,000. No additional financial terms or compensatory arrangements were described in the filing for Mr. Tahiri's appointment.

What Was Disclosed

State Street Corporation disclosed two immediate executive appointments: Mostapha Tahiri as President of State Street Alpha and Chairman of Asia Pacific, and Ann Fogarty as Enterprise Chief Operating Officer, with a target incentive compensation award of $5,650,000.