Three companies for a complete expertise

Since 2011, we have been supporting companies in the financial world in their transformation… (occupation, organizational, digital)

Insurance / Banking / Finance Expertise

  • Business expertise
  • Consulting and Strategy
  • Assistance and support

Tailor-made solutions for insurers

  • Outsourcing solutions
  • Performance improvement tools
  • Business support

Data Specialist:

  • Hosting of infrastructures, applications and sensitive data
  • Cloud (Private and Hybrid)
  • Application development

Our management team

Philippe Afendulis

Philippe Afendulis


Talent manager, specialized in business strategy and business development, founder and CEO of WikiTree Group. Philippe Afendulis has developed and manages the four departments of the Group: Actuarial (Expertise) – Consulting – BPO Insurance (Run-Off Portfolio Management) – IT Infrastructure & Development (our subsidiary ATCI). He is the C.E.O. of WikiTree, Managing Director of WIS and Chairman of ATCI.

Michel Thibaut

Michel Thibaut

Founding partner

Partner in WikiTree and founder of the ATCI subsidiary, Michel Thibaut is the group’s technical director. He also created TACTIS Distribution to take over the distribution of a collection software package. The TACTIS software exists since 10 years and counts about 700 users. Today, he brings his experience and know-how in the field of strategy and large-scale IT projects.

Gérald Sermeus

Gérald Sermeus


Graduating from Solvay Business School in 1996, Gérald Sermeus specialised at PriceWaterhouseCoopers in industrial consolidation. He then joined the finance services company, Brambles, where he managed and optimised the profitability of long term contracts for 10 years. In 2008, he started up and developed the Benelux arm of IVALIS, a French company specialising in carrying out inventories for the distribution sector.