After his studies at Paris-Dauphine University, Luc ABITBOL served various clients as an auditor for ARTHUR ANDERSEN and MAZARS-GUERARD. He is Chartered Accountant and Auditor.

He gained specialist knowledge in audit assignments in an international environment for a wide range of industry sectors. He developed an experience in the bank industry on financial markets IT systems, updating IFRS, Basel III or European bank authority reporting.

He is a member of the Executive Board of ACEORGA Ltd where he is responsible for the Bank and Energy industry.


Chartered Accountant and Auditor, Philippe GUTHMANN created the sister company Ace Audit in November, 1997.

Specialised in the development of the SMEs and energy sector, he assists real estate clients and International firms.

During his career, he has primarily focused on advising, leading and delivering projects for investment banks across a broad agenda, from strategy to process efficiency, front office to HR, globally and locally.


Specialist of the banking mechanisms, Regis PARSEMAIN is a member of the executive board of ACEORGA and the head of banking consulting department.

He keeps on working with global clients to support them with culture change, performance management and talent related challenges. Regis PARSEMAIN has a client-facing background in large scale transformation programmes across banks and organisational governance and change across private businesses.

Former social auditor, he also assists work councils in the audit of their company. Prior to joining ACEORGA, he qualified with a Master’s degree in Chemical industry and worked for an IT company specialised in IT coding for banks and Energy Utilities.