Bernard Tabary is a graduate of Rouen Business School. He started his career with the Bolloré group in 1983, where he held a number of management roles in the Transport and Logistics branch, including Vice Chairman of Marketing, Quality and Information Systems (1989 - 1994), Managing Director Australia and New Zealand (1994 - 1995) and Director Africa Line (1997 - 2000).

In 2000, he was appointed Managing Director of the Environment Division of Plastic Omnium, an automotive equipment manufacturer.

He joined the Keolis Group in 2005 as Deputy General Manager in charge of Eastern France and Île-de-France. In 2007, he was appointed Managing Director of Keolis Lyon, the Keolis Group's subsidiary in charge of operating and maintaining Lyon's public transport network. He was appointed Chief Executive Officer International in 2011.