Meet Our Team

 "We are here to help young men discover their greatness and potential. We help young men develop the tools to cope with life challenges, to learn to set and achieve goals, and to build productive relationships with family and peers."



Program Director / Founder

Ron has worked with young men for nearly 40 years. He spent many years as a high school instructor, administrator, and later 10 years at Arizona State University. He has a bachelor’s degree in Family Financial Counselling from Brigham Young University and an MBA from Arizona State University with an emphasis in Training and Development.

Ron worked with young men who struggle with behavioral challenges for years before he started Arivaca Boys Ranch. He is a seasoned Arbinger Instructor and skilled horseman.  Years ago he discovered a powerful connection in the principles of Arbinger and Natural Horsemanship. It is a powerful combination that helps facilitate true heart change in a person.


Jessica Potrie

Director of Administration

Jessica has been a long-time essential member of our Arivaca Family. She grew up in a small town in Colorado and went to college at the University of Idaho where she studied Business Administration. While going to school, she worked for Wells Fargo as a personal banker, and then went on to work for the University of Idaho managing and processing millions of dollars worth of scholarships. She soon became promoted to a supervisory role where she wrote and implemented policies and procedures within the financial aid office. She has also owned and run her own business. A mother of 4, she took some years off to raise her children eventually returning to the workforce to join Arivaca Boys Ranch in October of 2013.

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Buirge Jones, MA


Buirge has over 20 years’ worth of experience in social services. He earned his undergraduate degree from Metropolitan State University in Theatre and has a Master of Arts in Psychotherapy from Naropa University. He utilizes a highly specialized therapeutic approach combining the 12 step framework, ACT (Acceptance and Commitment Therapy) with Mindful Awareness. He is also certified in trauma-informed care for children with a history of abuse/neglect who have been adopted, and who experience reactive attachment disorders (RAD).


Megan Wittenberg, Ms

Academic Advisor & Specialist

Megan is a true local, born and raised in Southern Arizona. She earned her Bachelor of Science in Kinesiology at ASU, and then when on to earn a Master of Science in Sport and Exercise Psychology from Georgia Southern University. She has been working in the disciplines of mental health and education for five years, including working with veteran and military families and has presented her research both across the United States and internationally. She feels passionate about the mission of Arivaca Boys Ranch and is always willing to go the extra mile to ensure students' needs are met in the school. 


Debra Milner, LCSW, RN

Clinical Director

Debra hails from back East and is grateful to have called Tucson Home for the past 28 years. She completed her Graduate Work at ASU and is a Licensed Clinical Social Worker in Arizona, a Certified Supervisor, and a Registered Nurse. Debra has worked as the Clinical Director at Arivaca for over ten years and continues to believe in the mission of Arivaca Ranch to heal our boys and provide a transformative experience.

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Bree Evans Yeanoplos


Born, raised and educated in her homeland of Australia, Bree has over 10 years of experience working and volunteering with vulnerable and at-risk populations. Earlier in her career, she worked in film and television in various advocacy projects. In 2016, she worked as a documentary film Producer in association with the Mongolian Government and The American Centre for Mongolian Studies on a research project about gaming addiction and homeless youth in Mongolia. She has also worked with Sudanese Refugees in the Australian Justice System. She earned her Bachelor of Arts in Sociology & Human Rights from Monash University and graduated with a Master of Sociology with an emphasis in Development Sociology from the University of Newcastle in 2019. 


Ryan Spacek

Academic Advisor & Family Communication Specialist

Ryan is native to Phoenix, Arizona and loves anything and everything about the Sonoran Desert. He graduated from the University of Arizona with a degree in Neuroscience and Cognitive Science with an emphasis in Human Cognition and a degree in Creative Writing. He has worked and volunteered in the mental health and education field for about five years. Although he has only worked at the ranch for a year, he has been involved in the healing journey of many boys and feels passionate about how our program changes the lives of boys and their families.


Location: 38000 S Arivaca Ranch Rd, Arivaca, AZ, 85601

Mail: P. O. Box 547, Arivaca, Arizona, 85601

Phone: (877) 886-9766


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© 2020 Arivaca Boys Ranch