Our Team
Exceptional partners serving your interests
Marc Dumont
Founding Partner
Marc Dumont founded the firm in 1987, following a distinguished career at one of Geneva's most prestigious practices. His vision: to create a human-scale structure capable of offering exceptional service. Renowned for his mastery of complex wealth matters, he has advised several major European families for over three decades.
Areas of expertise
Wealth Management, International Structuring
Languages
French, English, German
Claire Roche
Founding Partner
Claire Roche joined Marc Dumont from the firm's inception. A recognized specialist in family law, she has developed a unique approach combining legal rigor with human sensitivity. Her expertise in cross-border estates has made her a reference in the profession.
Areas of expertise
Family Law, International Estates
Languages
French, English, Italian
Antoine Mercier
Partner
Antoine Mercier joined the firm in 2008 after ten years in international finance. This dual legal and financial expertise enables him to guide clients through their most sophisticated transactions. He heads the international structuring department.
Areas of expertise
International Structuring, Holdings
Languages
French, English, Spanish
Sophie Keller
Partner
Sophie Keller joined Dumont & Roche in 2015, bringing her expertise in family governance and philanthropy. Trained in Geneva and Harvard, she guides families in structuring their philanthropic activities and preparing for generational transmission.
Areas of expertise
Family Office, Philanthropy, Family Governance
Languages
French, English, German