Louis-David Magnien is managing director with Kroll’s Business Intelligence and Investigations practice, based in Paris and Zurich office. Louis-David specializes in assisting clients from financial institutions, private equity, investment management, and the broader investors’ community. He has extensive expertise in capital markets, advisory, and regulatory matters, having spent his entire career working with clients at the senior management and board level. He joined Kroll in 2017 after 22 years in investment banking and investment management in the City of London.

Louis-David advises financial institutions, funds, financial services, and investors as well as corporates and governments on strategic matters such as business intelligence, pre- and post-transaction due diligence, fraud investigations and asset searches, claims and litigation support, compliance reviews, and forensic investigation audits. These situations have in common the focus on information-gathering and the identification and management of risk.

Prior to joining Kroll, Louis-David spent 16 years, with Merrill Lynch, UBS, and Credit Suisse advising financial institutions in Europe on their M&A, capital raising and management. At Credit Suisse, he was lately Head of Strategy and Coverage Management in the Investment Banking Division EMEA. During this period, he was responsible for the definition, implementation, and monitoring of client and business prioritization for the division, encompassing 700 bankers and more than $1 billion in revenue. He had joined Credit Suisse in 2003 as Director, Financial Institutions Group, where he managed the bank’s relationships with French and Belgian clients.

From 1996-2003, Louis-David was with UBS’s Financial Institutions Group in London, where he was responsible for origination and execution of M&A and financing mandates for French, Belgian, and Italian clients. Earlier in his career, he was with Merrill Lynch in London, and Société Générale in New York. Louis-David also co-founded and was the CEO of a global long/short equity hedge fund for five years.

Education and Certifications
  • MSc, International Finance and Taxation Management, HEC, Paris
  • Masters, International Taxation, University of Paris XI
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