Guy Serge Berruyer (born 12 August 1951) is a French businessman, former chief executive (CEO) of Sage Group plc, a British multinational enterprise software company.
Born in 1951, Berruyer's university education was at the École Polytechnique Fédérale de Lausanne, where he trained as an engineer.
[3][4] He took over the position from Pierre-Yves Morlet, who was the founder of Ciel, the French software business that Sage acquired in 1992.
Previously he held the position of Country Manager and then European Director for the US software company Intuit.
[7] On 1 October 2010 Berruyer succeeded Paul Walker as CEO of Sage Group.