Keith Vennum, M.D. 


Shirley Cox, D.S.W.


Christopher Rosik, Ph.D.


Dr. Vennum is a graduate of Trevecca Nazarene University (BA) and the University of Florida (MD) and obtained a Master’s degree in Professional Mental Health Counseling from Liberty University. He is a licensed Physician (practicing Psychiatry) and Mental Health Counselor in the State of Florida.  Dr. Vennum provides free medical care at Central Care Mission a residential facility for men overcoming drug and alcohol addiction and he is the former Chairman of the Board of Exchange Ministries helping those experiencing unwanted same-sex attractions.

Dr. Cox has a DSW in Social Work and has spent many years in practice and 27 years as a social work educator at Weber State, University of Nevada, Las Vegas, and Brigham Young University. She has received numerous awards for her teaching and community practice including: the Liberal Arts Outstanding Faculty Award, the Morris Committee on Excellence in Teaching Award, the NASW Nevada Chapter Social Worker of the Year. Her individual and jointly authored publications appear in outlets such as: The Journal of International Social Work and the Journal of Social Work Education.

Dr. Rosik is a Phi Beta Kappa graduate of the University of Oregon and earned his doctorate in clinical psychology from Fuller Graduate School of Psychology.  He is currently a psychologist and director of research at Link Care Center in Fresno, California, as well as a clinical faculty member of Fresno Pacific University. He has published more than 45 articles in peer reviewed journals and has served as President of the Western Region of the Christian Association for Psychological Studies.

Board of Directors

Michael Davidson, Ph.D.

Michael Gasparro, M.A.

Dr Mike Davidson completed undergraduate degrees from Canadian Nazarene College (BTh) and the University of South Africa (BA). His postgraduate work (B.Ed and PhD) was from Rhodes University. He worked in Teacher Education before contributing to Professional Development Units of both academics and doctoral students in three United Kingdom Universities (Nottingham, Surrey and Ulster). He is currently Director of Core Issues Trust, a UK Christian Charity offering therapeutic support for unwanted same-sex attractions. 

Michael Gasparro is an Associate Marriage and Family Therapist and Associate Professional Clinical Counselor in California and is a member of both the California Association of Marriage and Family Therapists and the American Association of Marriage and Family Therapists.   He currently works at the Breakthrough Clinic under the supervision of Dr. Joseph Nicolosi Jr. and is a certified Reintegrative Therapist™.  He holds degrees from Baylor University (BM) and Hope International University (MA). Michael is the 2017 recipient of the Student & New Professional Award from the Alliance. 

Geoff Heath, J.D.

David Pickup, LMFT

Geoffrey Heath graduated from the University of Michigan Law School in 1978.  After working in private practice joined the Solicitor’s Office of the U.S. Department of the Interior in Washington, D.C., in 1983.  He received an LL.M degree from George Washington University in 1987. At the Interior Department (until retiring in 2015), he represented the former Minerals Management Service and its successor agencies, as well as the Bureau of Land Management, in Federal onshore and offshore oil and gas and other mineral leasing and royalty matters.  From 2007-2010, he served as an Administrative Judge of the Interior Board of Land Appeals.

David H. Pickup, MFT holds a Masters Degree in Psychology and is a member of the California Association of Marriage and Family Therapists. He currently is in private practice working with men with unwanted homosexuality and has offices in California and Texas. David regularly speaks at regional, national, and international conferences on the practical application of Reintegrative Therapy. 

Andy Visser, MHC

Susan Halvorson, M.S.

Susan received her Master of Science: Special Learning Disabilities degree from Winona State University, Winona, MN.  Recently retired, she taught in the public schools for 27 years.  Susan has spent 30 years studying and educating teachers and the public on homosexuality and, more recently transgenderism, using scientific, research-based information within her teacher unions and state legislature.  She strongly supports and advocates for a client’s right to choose.  Susan also serves as the Alliance’s recording secretary.

Robert L Vazzo, LMFT, LPCC

Robert Vazzo received his master’s degree in Marriage and Family Therapy from the University of Southern California and was inducted into the honor society of Phi Kappa Phi in 2004. Mr. Vazzo completed his clinical internship at the Thomas Aquinas Psychological Clinic in Encino, California, where he worked with Dr. Joseph Nicolosi. Mr. Vazzo is currently a both a Licensed Professional Clinical Counselor and Marriage & Family Therapist and is a member of the American Association for Marriage & Family Therapy (AAMFT) and the California Association of Marriage & Family Therapists (CAMFT).

Andy obtained his Bachelor’s degree from Dordt College (1973), a Masters in Counseling Psychology from the University of South Dakota (1979.) He holds Licenses as a Mental Health Counselor in Iowa and Washington State and is a Certified Employee Assistance Professional (CEAP).  Andy is National Board Certified Counselor (NBCC) and a member of the American Counseling Association.

David Clarke Pruden, M.S.

Executive Director

David Pruden graduated from the University of Utah and Utah State University in Family and Human Development. Former adjunct faculty at USU and Provo College, author and speaker on adolescent resilience and sexuality for more than 25 years. In his long career he formerly served as the Director of a religious ministry assisting those experiencing homosexual attractions, Director of the Utah Republican Party, and Director of the Utah Newspaper Association, 

Alliance for Therapeutic Choice and Scientific Integrity      888-364-4744
The Alliance for Therapeutic Choice and Scientific Integrity is a duly organized 501(c)(3) tax-exempt charity. Donations are tax-deductible within IRS guidelines.
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