Gregory Kallinikos

Chief Executive Officer - Asia Pacific StoneX Group

Last Reviewed: October 1, 2026

Executive Summary

Gregory Kallinikos has led StoneX Group’s Asia Pacific region as chief executive since 2018, overseeing operations in Singapore, Hong Kong, India, China, Japan and Australia, and became one of the company’s executive officers in 2025. He joined StoneX in 2011 and was Chief of Staff for Europe, the Middle East and Africa, leading mergers, acquisitions and corporate development outside the Americas. Before StoneX he worked in corporate finance on equity capital markets for energy and mining companies. StoneX Group ranked No. 31 on the 2026 Fortune 500.

Career Highlights

• Chief Executive Officer, Asia Pacific, StoneX Group, since 2018.
• Executive officer of StoneX Group since 2025.
• Chief of Staff, EMEA, StoneX Group.

Professional Journey

Kallinikos worked in corporate finance focused on equity capital markets for the energy and mining sectors before joining StoneX in 2011.

At StoneX he served as Chief of Staff for Europe, the Middle East and Africa, leading the firm’s M&A and corporate development outside the Americas.

Since 2018 he has led the Asia Pacific region as Chief Executive Officer, and in 2025 he became an executive officer of StoneX Group.

Education

No first-party source read for this profile states his education.