Guillaume MERCIER is a seasoned Sales Director at Tata Consultancy Services since August 2019, focusing on large-scale digital transformation projects across various industries. Prior experience includes serving as Sales Manager at Capgemini Group/Sogeti Group, where responsibilities involved managing accounts for major clients like THALES GROUP and AIRBUS Defense & Space, as well as sales leadership in the industrial sector. Additional roles span Division Director at ALTEN, where Guillaume MERCIER oversaw significant human resources and recruiting functions, and various positions in business development and management at GIST, INTA SA, and a brief internship at TF1. A graduate of ISEP with a Master's degree in Electronics, Computer Science, and Telecommunications, Guillaume MERCIER is recognized for leadership in sales strategy, account management, bid processes, and team development throughout an extensive career in business and contract management.