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Achille Yomi

Achille Yomi

Co-Founder & Chief Executive Officer, Scenario X

Achille Yomi is Co-Founder and CEO of ScenarioX, a Swiss-based company delivering quantum-enhanced, scenario-based simulation and advanced risk analytics to support banks in stress testing, capital planning, and balance-sheet resilience. He has over 19 years of experience in treasury, stress testing, and regulatory risk across leading global financial institutions.

Prior to founding ScenarioX, Achille was Executive Director and Head of Stress Testing at Standard Chartered, where he led group-wide enterprise stress testing and ICAAP exercises, including Bank of England scenarios, and oversaw model governance and regulatory engagement. He also led the development of the analytics platform supporting the bank’s LIBOR transition program.

Earlier in his career, Achille held senior risk roles at HSBC in Singapore and Geneva, focusing on stress testing, market risk, ALM, and balance-sheet optimization. He holds the FRM and CQF certifications and academic degrees from UC Berkeley, emlyon business school, and East China University.