Clinicians & Staff

karpSteven Karp, DO, FACN

Medical Director
Dr. Karp has held a number of leadership roles at behavioral health care, eating disorders, and substance abuse facilities including chief medical officer, medical director, and chief psychiatric officer. He served as medical director and chief psychiatric officer for the Office of Mental Health and Substance Abuse Services for the Commonwealth of Pennsylvania for over seven years. Dr. Karp earned a Doctor of Osteopathic Medicine degree from the Philadelphia College of Osteopathic Medicine and completed his psychiatric residency at Norristown State Hospital in Pennsylvania. He is regularly called upon to present about the treatment of eating disorders and co-occurring addictions in professional settings and universities.

Wendy Rodriguez

Operations Manager
Wendy has been a part of Promises Scottsdale’s team since 2014. As Operations Manager, she is committed to quality of care and making sure Promises Scottsdale offers an environment conducive to recovery. Wendy has an extensive background in behavioral health care, specializing in compliance and managing residential treatment facilities. She has been integral in raising substance abuse awareness in her work and in the community. Wendy says she’s developed a passion for the process of healing and change through her close work with families and clients impacted by addiction.

Dr. Thomas GazdaDr. Thomas Gazda, M.D.

Dr. Gazda studied at the University of Illinois where he earned both his Bachelor of Science in biology and his Doctor of Medicine. He completed both family practice and psychiatry residencies at the University of Vermont and received board certification in both specialties, as well as completing psychoanalysis and Tavistock training. Dr. Gazda has served as a principal investigator for research trials, an inpatient psychiatrist, a community mental health psychiatrist and a private practitioner. While serving as an inpatient psychiatrist at Banner Behavioral Health, he spent three years as Chief of Staff, during which time they were named “Best of Banner.” He has served as an inpatient psychiatrist to the Windhaven Center, Prescott area and as a volunteer to The Neighborhood Christian Clinic.

Named a “Top Doc” in 2007, he is also listed in “America’s Top Psychiatrists.” Dr. Gazda is a proponent of holistic, integrative care following a biopsychosocial model and is open to nutraceuticals and very interested in nutrition, exercise, meditation and spirituality as strong components of the recovery process. Prior to being named medical director, Dr. Gazda served as Chief Consultant Psychiatrist for Promises Scottsdale since 2013.

shannonShannon McQuaid, LMFT, LISAC, CDWF, CSAT-C

Executive Director/Clinical Director
Shannon has been working in the field of addiction for over 20 years and has been with Promises Scottsdale since 2009. She has extensive experience in management and administration as well as program development. Shannon is a licensed marriage and family therapist and a licensed independent substance abuse counselor. She is a certified The Daring Way™ Facilitator and is a certified sex addiction therapist. Shannon runs weekly The Daring Way™ shame-resilience groups in both our men’s and women’s addiction treatment programs. She has experience working with clients, couples and their families and is well-versed in treating co-occurring disorders, drug and alcohol addiction, sexual addiction and eating disorders. Shannon has a passion for helping clients take back their lives.

carolynCarolyn Steppe, LSW, CCDP, CETII

Primary Therapist
Carolyn has over 15 years of experience working with adolescents and adults with addiction. She’s worked with clients in both individual and group therapy settings. Carolyn has expertise in drug and alcohol addiction, trauma, family dynamics, mental health and relapse prevention. She is certified as a Co-Occurring Disorders Professional and Experiential Therapist, Level II. Carolyn is also certified in EMDR and has trained intensively for the past 10 years in psychodrama and experiential modalities. She earned a master’s degree in social work from Marywood University and is a licensed social worker in Arizona and Pennsylvania.

Mona Amini, MD

Consulting Psychiatrist
Dr. Amini is a consulting psychiatrist and also oversees the medical staff as chief medical officer of a local Valley behavioral health organization. She completed her residency training through Banner- University Medical Center Phoenix and has fulfilled a variety of clinical duties within the Valley including inpatient acute psychiatric care, consultation/liaison in medical settings, residential addiction treatment center consultation, telepsychiatry, outpatient therapy, outpatient community psychiatric care, and skilled nursing facility consultations.

A native of Arizona, Dr. Amini has served on the executive council of the Arizona chapter of the American Psychiatric Association (AZ Psychiatric Society) since 2011. She is also a member of other national professional associations, including the Academy of Psychosomatic Medicine. Dr. Amini enjoys spending time with her family and friends, photography, and traveling.

Kimberly GuentherKimberly Guenther, RD, CEDRD

Professional Nutrition Counseling
Specializing in Eating Disorders

Kim is a registered dietitian and certified eating disorder registered dietitian who has lived in Arizona the majority of her life. She earned a degree in human nutrition from Arizona State University and began working in eating disorder treatment in 1996. She then completed a dietetic internship with Maricopa County, which helped to confirm her passion for working with clients who struggle with eating issues. Kim has continued to work in this capacity for the past 20 years at all levels of care, from inpatient to outpatient services. No matter what the struggles are with food, Kim enjoys meeting clients where they are at in their journey and helping them achieve their nutrition goals.

karenKaren Williams, MS, LAC

Intensive Outpatient Program Clinical Manager
Karen has been with Promises Scottsdale since 2013 and has worked in the field of addiction for over 10 years. She is a licensed associate counselor and earned a master’s degree in professional counseling from Grand Canyon University. Karen is the clinical manager for our intensive outpatient program. She also provides counseling for our Common Ground family workshop and facilitates weekly love addiction and dialectical behavior therapy groups in our residential addiction treatment program. Karen is passionate about helping clients build an authentic spiritual foundation while recovering in mind and body. She strongly believes that family members play a vital role in not only helping their loved ones but in redefining their own identities in recovery.

deeDee Romero, MC, LAC

Associate Therapist
Dee has experience with addiction, co-occurring disorders and family therapy. She takes a client-centered, collaborative approach to counseling, drawing upon therapeutic techniques such as cognitive behavioral therapy and dialectical behavior therapy. Dee provides each client a safe, supportive, encouraging environment for self-discovery, understanding and acceptance. She says that working with clients from all walks of life has provided her an opportunity to witness the potential within humanity.

Elizabeth Langreck, MS, RDN

Director of Nutrition
Liz is a registered dietitian specializing in eating disorder care since 2011. She has worked with adolescent and adult eating disorder clients and their families at all levels of care and severities of the disease. Liz feels honored to have worked with some of the greatest minds in the industry very early on in her career. Though clinical dietetics and research is her first love, her passion for working with eating disorders undoubtedly exceeds that love. She began her professional career at Remuda Ranch. Currently, Liz is working toward the eating disorder registered dietitian certification, and has special interests in Eastern mindfulness practices, body image, empowerment and exercise.

Liz holds a Bachelor of Science degree in dietetics from the University of Wisconsin-Stout. She later earned her master’s degree in food and nutrition sciences and did her dietetic internship while at the university.