Walter earned his D.B.A. from Indiana University in 1996, taught one year at Jacksonville University, and joined the faculty of CNU in 1997. His area of research expertise is nonprofit marketing. He has published peer reviewed articles and given presentations on volunteer marketing, cause-related marketing, direct marketing, social marketing, and fund raising. Walter is a former president of the Atlantic Marketing Association. He is editor of the Journal of Nonprofit & Public Sector Marketing and North American editor of the International Journal of Nonprofit & Voluntary Sector Marketing.