He is a retired public school superintendent and currently is a member of the governing board of the National Association for the Education of Young Children. He is also the founder and principal consultant of Abuya Works, which offer consultancy in the areas of organizational development, executive coaching, change management, and diversity. Dr. Mack served as president of the Board of Directors for Youth in Focus, whose primary mission is to provide urban youths the skills to conduct research on their environment in order to experience their world in new ways and to make informed changes and positive choices in their lives.