About Guillaume

Guillaume first joined McKinsey in Paris in 2000 and worked in the New York office from 2004 to 2013, where he became a partner. He is now based in Indonesia. Throughout his McKinsey career he has helped companies define their strategies and transform their performance. He has particular experience addressing challenges in the banking and insurance sectors as well as telecommunication and healthcare, where he helps executives manage risk, address distribution and marketing challenges, and balance costs and efficiency.

Examples of Guillaume’s recent client work includes the following:

  • developing the healthcare strategy for a large Indonesian financial-services company
  • redesigning the distribution process of a Southeast Asian bank
  • redefining the financial-services strategy and processes for a large global automobile manufacturer
  • leading a transformation effort for a large US credit company, including an efficiency redesign for core business functions, such as distribution, risk management, pricing, and underwriting
  • defining and launching a performance-improvement program for a recently acquired financial-services distribution network
  • improving the pricing and underwriting processes of a leading insurance, asset-management, and banking provider
  • restructuring and repositioning the retirement unit of a leading diversified financial-services provider

Guillaume speaks English and French and is conversant in Indonesian and Spanish. He is a member of the Global Association of Risk Professionals.

Published work

"Life journey: Winning in the life-insurance market," McKinsey & Company, March 2014

"Responding to the variable annuity crisis," McKinsey & Company, April 2009


Harvard Business School

HEC Paris
BA, finance