Mary Ann Rainey Tolbert, Ph.D., consults on organization development, executive development, and multiculturalism.  She has been a university professor and a corporate executive, and pioneer in the application of Appreciative Inquiry.  She is co-chair of the Gestalt OSD Center/GISC International OSD Program.

Mary Anne Walk, M.S., is President of Walk & Associates, a management consulting group. Prior to this she was Executive Vice President of a software company, which she joined shortly after retiring from AT&T as Vice President of Human Resources and Labor Relations.  Mary Anne serves on the Board of the Gestalt International Study Center. She is a certified Master Coach with ICF.