Trainer since 1986, Lionel Marc Vuillemin has a sociologist and an architect background. The pair and the team profiles were developed under his leadership. Lionel is an expert in management, communication, team building, conception, innovation, creativity and assessment.
Lionel is the Herrmann International Europe CEO.

Jacqueline trains in both German and English. She has an MBA degree and has more than 10 years of experience in management consulting. She is an expert in communication, coaching and team building.
Jacqueline Geist est the CEO of Herrmann International Deutschland.

Susanne is a Danish trainer. She has a master degree in social sciences from the University of Copenhague. Susanne uses Whole Brain® technology to facilitate workshops in personal creativity, problem solving, communication, change and diversity management.
Susanne Manly is partner of Herrmann International Denmark.