Alexis Cuellar holds a Bachelor's degree in Economics from Clermont Auvergne University, a Master's degree in Financial Markets from Lumière Lyon 2 University, and a Master's degree in Wealth Management from the IAE School of Management in Lyon. He began his professional career in 2017 in investment consulting at BNP Paribas Wealth Management.

After two years at Candriam Luxembourg as a fund analyst, he joined BLI - Banque de Luxembourg Investments in 2021 as an analyst responsible for monitoring US equity funds and analysing portfolio data for the fund of funds management teams.