Thomas Armbrüster is Professor of Human Resources Management at the University of Marburg and has been supporting top executives as a leadership trainer and leadership coach for more than 20 years. In recent years, he has mainly conducted coaching sessions for board members and CEOs.

Hagen Ries is Managing Director of Prof. Armbrüster Leadership Services GmbH and responsible for administration, organisation and contracts.

Thomas Scherer has been training managers in leadership, team leadership, project and selfmanagement since 2012.

Dr. Chris Schäfer has been supporting executives from all industries worldwide for 20 years all industries in the areas of leadership, change management and personal development, in German and English language.

Daphné Schalbetter has more than 20 years of experience in leadership development as a consultant, trainer and coach.

Bettina Schnabel has been working as a coach and trainer since 2012. She is a certified business coach and a member of the International Coaching Federation.

André Beckers trainiert zu den Themen Leadership, Digitale Transformation, Unternehmenskultur und Change Management.

Jeffrey Breyer has more than 20 years of experience in leadership development as a trainer, business coach and consultant.

Julia Bock has been supporting executives in seminars and trainings in her special fields of leadership, human resource management and communication since 2009.

Sabine Hellwig has been an employee and later a manager in human resource management for 20 years. She has been an executive trainer and coach for four years.

Arnaud Arène is an executive trainer and personal coach. With many years of experience, he supports executives in their personal and professional development.

Martin Scherer is a trainer, coach and expert in communication, corporate communication and business presentations with extensive practical experience.