In his corporate consultations, Jack has consulted to more than 50 Fortune 500 Companies providing psychological consultation and coaching to top executive officers. Conducting 250+ workshops nationally, he trained top corporate executives in team-building techniques. He has been featured in the New York Times, on ESPN, CNN, SPEED-TV, HBO and ESPN Films 30 for 30 and was a monthly guest on a local TV affiliate.
Since earning his Ph.D. degree in Counseling Psychology at the University of Nebraska-Lincoln in 1973, Jack’s diverse career includes serving as faculty at the University of Nebraska Medical Center in the Department of Psychiatry and at Creighton University Medical School Department of Psychiatry. He was full-time teaching and researching faculty at UNMC for 20 years plus as adjunct professor at Creighton University Medical School. At Physicians Clinic, a multi-specialty medical clinic in Omaha, Dr. Stark was Director of Medical Psychology (1981-1997). In 1998, he incorporated as Performance Enhancement Group. Currently he is a consultant to the Center for Advanced Medicine in Jackson Hole, WY.
Dr. Stark is a licensed in numerous states as a Clinical Psychologist. Over a span of 40 years in his medical practice, he has provided psychological consultation to more than 10,000 individuals.
Jack has authored or co-authored 11 books, dozens of articles and chapters, and has presented 200+ scientific papers.
Stark is active in numerous local and national community-service and charitable organizations. He has served on the boards of foundations. Married 46 years, the Starks have a son John (deceased), a son Nick and a daughter Suzy.