Dion Leadership, A Gallagher Company
Professional Training and CoachingMichigan, United States11-50 Employees
Dion Leadership, A Gallagher Company, operates in the professional training and coaching industry. Based in Novi, Michigan, the firm focuses on developing leaders and strengthening organizational cultures. Its team comprises about 60 coaches and consultants who translate leadership concepts into practical solutions. The company offers a range of services, including leadership coaching, management training programs, leadership and team development, talent assessment, and organizational development consulting. Its clients are organizations seeking to cultivate capable leaders and cohesive cultures and to address leadership gaps, team dynamics, and work-related well-being. In August 2025, the firm was acquired by Arthur J. Gallagher & Co.