Christian Roulleau is the founder and CEO of the French facility management group Samsic, which provides staffing services with the SamsicEmploi brand. SamsicEmploi features among the top 10 largest staffing firms in France, and is one of the largest privately owned firms in the market. Roulleau previously held a wide range of positions within the GSF group operating in the cleaning services industry, and founded Samsic in 1986.