Founder of Ergon Capital SA, Ergon Capital Advisors SA, Ergon Capital Partners SA and Sienna Capital SARL, Ian Gallienne is a French entrepreneur and businessperson who has been at the helm of 10 different companies and presently is Chairman of Sienna Capital SARL, Managing Director at Groupe Bruxelles Lambert SA (Investment Company) and Chief Executive Officer & Director at Groupe Bruxelles Lambert SA.

He is also Manager at Serena 2017 Sc and on the board of 10 other companies.

In his past career Mr. Gallienne was Director & Managing Director at Ergon Capital SA, Manager at Rhone Group LLP, Managing Director at Ergon Capital Partners III SA, Chief Executive Officer at Ergon Capital Partners SA, Managing Director at Ergon Capital II SARL, Managing Director at Egerton SARL, Managing Director at Ergon Capital Advisors SA, Managing Director at Ergon Capital Partners II SA and Manager of Rhône Capital LLC.

He received an MBA from INSEAD and an undergraduate degree from Ecole Supérieure des Dirigeant d'Entreprise.