Meet Our Staff

Carol Regier, RN CCDC III

Executive Director

Carol Regier is the Executive Director of Keystone Treatment Center in Canton, South Dakota. She has been with Keystone since it’s beginning in 1973. Carol has been involved in many aspects of the field of chemical dependency, from her first position as a staff nurse to her current position of Executive Director. Carol is very passionate for those afflicted with addictions and their families.

Her career history entails the development of several treatment programs at Keystone for both Inpatient and Outpatient. She plays a highly active role in the community of addiction, by serving on various boards as well as being a member of many service and educational organizations and associations. She is the recipient of the Distinguished Service Award for Outstanding Chemical Dependency Counselors in South Dakota in 1998. She also is the recipient of the Business and Professional Women/USA “Women of Achievement Award” in 2001.

E.R. Regier, MD

Medical Director

Dr. Regier is the Medical Director of Keystone Treatment Center in Canton, SD. He has been with Keystone since its beginning in 1973. Dr. Regier was also in private practice in Canton for thirty years. He is also currently the Medical Director at the state penitentiary.

Dr. Regier graduated from Washburn University in Kansas and received a degree in Medical Technology. He attended the University of Nebraska Medical School and graduated with his Doctor of Medicine. Dr. Regier was a past Chief of Staff of Canton-Inwood Hospital and a member of the American Academy of Family Practice and of the South Dakota Medical Association. He is buprenorphine certified by A.S.A.M.

Dr. Regier and his wife reside in Canton where he enjoys spending time with his grandchildren, fishing and antique collecting.

Robert R. Perkinson, Ph.D.

Clinical Director

Robert R. Perkinson is the clinical director of Keystone Treatment Center in Canton, SD. He is a Licensed Psychologist, Licensed Marriage & Family Therapist, Internationally Certified Alcohol and Drug Counselor, South Oakota Certified Chemical Dependency Counselor, Level III, Nationally Certified Gambling Counselor and Supervisor. His specialty areas focus on treating alcoholics, addicts, and pathological gamblers. He is the author of Chemical Dependency Counseling: A Practical Guide, Fourth Edition, 2012, by Sage Publications which is the leading treatment manual in the world for chemical dependency counselors. With Dr. Arthur E. Jongsma, Jr. he is the coauthor of The Addiction Treatment Planner, Fourth Edition 2009, by John Wiley and Sons, the best selling treatment planner and computer software program for mental health and addiction professionals. He has published The Alcoholism and Drug Abuse Client Workbook, Second Edition 2012 and the Gambling Addiction Client Workbook, Second Edition 2012 by Sage Publications. These workbooks have all of the Evidence Based Trealment exercises patients need to enter a stable recovery. He has another book by John Wiley and Son’s titled Treating Alcoholism: How to Help Your Clients Enter Recovery 2004 that trains professionals how to treat patients with alcohol problems. He is the author of the book God Talks to You by First Books, and the meditation CD, A Communication from God by cdbaby, which help addicts make their first conscious contact with God.

He is a composer and has completed his second CD, Peace Will Come, music that helps addicts learn the essentials of a spiritual journey. With Dr. Jean LaCour he wrote the Faith-Based Addiction Curriculum (2004) to teach professionals of faith how to treat addiction. Dr.Perkinson is an international motivational speaker and regular contributor to numerous professional journals He is the webmaster of several Web Pages including,,, and where he gets over 2.6 million hits a year and answers questions on addiction for free. His biographies can be found in Who’s Who in America, Who’s Who in Medicine and Healthcare, Who’s Who in Science and Engineering and Who’s in the World.