Colin Hall - CEO

Colin Hall is the Head of Investments of GBL and the Chief Executive Officer of Sienna Capital. Mr. Hall also serves as a Director of Imerys, LafargeHolcim and GEA. 
He began his career working for the Merchant Banking Division of Morgan Stanley in 1995. Between 1997 and 2008, Colin Hall held various positions with the private equity firm Rhône Group in New York and London. From 2009 to 2011, Colin Hall was a partner in a hedge fund sponsored by Tiger Management.  He joined Groupe Bruxelles Lambert (“GBL”) in 2012 and was appointed CEO of GBL’s wholly-owned subsidiary Sienna Capital the following year. In 2016, he was additionally appointed the Head of Investments of GBL. 
He holds a BA from Amherst College and an MBA from the Stanford University Graduate School of Business.