He is an effective collaborator who generously contributed his expertise and that of his team to strengthen other practice areas’ product/service offerings. — Donna Neumann

Marc is a sought-after consultant because he thoroughly understands the process of development at the organizational, team, and individual levels. A much respected thought leader, Marc is an engaging presenter and author, presenting complex ideas with clarity and deep insight. — Skipton Leonard

He is immediately able to establish credibility with all levels of leader. He's personable, engaging and willing to adapt to the needs of his audience whilst at the same time remain hugely influential. A much valued colleague. — Stuart Schofield

Marc's innovation and creativity really stand out. His ideas are focused on real change for the business and he uses this ability for the benefit of others. — Victoria Stage

His strategic leadership of the business, ability to hire and retain great people, and his effective management of the relationship with the corporate US entity, are just a few of the aspects of working with Marc that I admired and appreciated. — Faye Swenson

Marc is fueled by curiosity and digs until he can confidently weave together seemingly disparate threads of information to create piercing insights, provocative questions, and ultimately, a deeper understanding of any situation. — Adam Walz