Ian Gallienne - Chairman

Ian Gallienne has been the Chairman of Sienna Capital since 2013.

He is Director of Groupe Bruxelles Lambert since 2009 and Managing Director since 2012.

Mr. Gallienne holds an MBA from INSEAD Institute of Management.

Colin Hall - CEO

Colin Hall has been a Director of Sienna Capital since 2013.

He is the CEO of Sienna Capital since 2013 and the Head of Investments at GBL since 2016.

Mr. Hall holds an MBA from the Stanford University Graduate School of Business.

Gérard Lamarche

Gérard Lamarche has been a Director of Sienna Capital since 2013.

He is Director of Groupe Bruxelles Lambert since 2011 and Managing Director since 2012.

Mr. Lamarche holds a Degree in Economics from the University of Louvain-La-Neuve and the INSEAD Institute of Management (Advanced Management Program for Suez Group Executives).

Thierry de Rudder

Thierry de Rudder has been a Director of Sienna Capital since 2013.

He is Vice-Chairman of the board of director and Chairman of the Standing Committee of Groupe Bruxelles Lambert.

Mr. de Rudder holds a MBA from Wharton School of the University of Pennsylvania.

Gilles Samyn

Gilles Samyn has been a Director of Sienna Capital since 2013.

He is currently the Managing Director of Groupe Frère, the private holding company of Albert Frère. He has also been a Director of Groupe Bruxelles Lambert since 1987.

Mr. Samyn holds an engineering degree from Solvay Business School.

Amaury de Seze

Amaury de Sèze has been a Director of Sienna Capital since 2013.

He is Vice Chairman of Power Financial Corporation as well as Chairman of PAI’s Supervisory Board. He has been a Director of Groupe Bruxelles Lambert since 1994.

He has degrees from the Centre d'Enseignement Supérieur des Affaires (now known as L'École des Hautes Études Commerciales de Paris - HEC Paris) and the Stanford University Graduate School of Business.

Aris Wateler

Aris Wateler has been a Director of Sienna Capital since 2013.

He is Chairman of the Investment Committee of Ergon Capital Partners as well as on the board of several quoted and non-quoted companies in Europe.

Mr. Wateler obtained a Master of Business Economics from the University of Amsterdam and completed post-graduate work at IMD in Lausanne, Switzerland.