Portfolio Managers

Arnaud BOISSET
Skier & Relationship Manager
Arnaud Boisset joined Alkimia SA in early 2025 as a Relationship Manager in charge of business development in Valais. He holds a Bachelor’s degree in Economics and Management and is building expertise in private wealth management, pensions and investing. He brings the energy and discipline that took him to the slopes to his learning of the portfolio management profession. He won the Super‑G overall standings of the 2023 European Cup, placed 3rd in the Saalbach Super‑G at the World Cup (March 2024), and is a member of the Swiss Alpine Ski Team. He now manages his own client portfolio alongside his role as Ambassador and External Analyst at Piguet Galland.

Antonio DOS SANTOS PEREIRA
Portfolio Manager
Antonio Dos Santos Pereira holds a Bachelor’s in Economics and Management and a Master’s in Wealth Management from the University of Geneva. He joined Alkimia SA in 2024 for an internship before being recruited to support Julien Devaux in building and monitoring client portfolios. A professional volleyball player with Chênois Volley-Ball and Swiss champion in 2021, he is developing his investment skills while pursuing the CFA program as a candidate.

Julien Gautheret
Head of Franco-Swiss Wealth Management
After eighteen years at UBS, where he led the office dedicated to French and cross-border clients, and two years at Lombard Odier as a team leader, Julien joined Alkimia SA in October 2025 as an independent wealth manager.
A recognized specialist in Franco-Swiss wealth management, he advises entrepreneurs and executives on both their private and professional assets. His expertise spans wealth management, pension planning, and estate structuring, which he enhances through a strong network of partners (lawyers, tax advisors, notaries). His long-term approach focuses on preparing for the future, planning business succession, and protecting his clients’ families.