Clinical Team

Dr. John Dyben

DHSC, MCAP, CMHP – Chief Clinical Officer

As Chief Clinical Officer, Dr. John Dyben oversees all Hanley Center and Headwaters clinical programs. In this role, he strategically guides program evolution, ensuring the organization continues to deliver excellence in care and the highest quality patient experience. John continually builds upon his academic expertise through research and nationwide speaking engagements on health science, spirituality, clinical ethics, and related topics.

Dr. Dyben’s academic training includes a Bachelor of Science in Psychology, a Master of Arts in Marriage and Family Therapy, a Master of Arts in Conflict Management, a Master of Science in Management, a Doctor of Health Science, and postgraduate studies in psychology, philosophy, and religion. Dr. Dyben is a Master Certified Addictions Professional and a Certified Mental Health Professional in Florida. He is an Internationally Certified Alcohol and Drug Counselor and a Substance Abuse Professional meeting all Federal DOT qualifications. Dr. Dyben is also a musician, writer, and private pilot, and he enjoys spending time with his family.

Dr. Angelo Asheh

D.O. – Chief Medical Officer

Dr. Angelo Asheh is a double-board certified physician with expertise in addiction, depression, anxiety, ADHD, psychopharmacology, prevention, and pain. His work includes a specialized focus on treating childhood trauma and social determinants of health. As Hanley Center’s Chief Medical Officer, Dr. Asheh oversees all medical operations, ensuring physicians, nurses, and other medical staff have the tools, training, and support they need to deliver world-class patient care.

Dr. Asheh has previously served as lead clinician for several renowned treatment centers nationwide. In addition to his work with Hanley, Dr. Asheh is a medical instructor at the University of California, Florida Atlantic University, and a REACH scholar through Yale University and AAAP. A recent research study he led, published in the Journal of Addiction Medicine in January 2023, on how childhood trauma contributes to addiction and overdose in adulthood, highlights the importance of screening for adverse childhood experiences and overdose when assessing patients for treatment.

Dr. Asheh completed his training at some of the country’s most prestigious institutions, including Yale University, University of California San Diego, Loma Linda University, University of Connecticut, and Lenox Hill Hospital in New York City.

Dr. Stacy Grossman

Psy.D. – Senior Clinical Director

Prior to joining Hanley in 2013, Stacy earned a B.A. in Psychology from the University of North Carolina in Wilmington, and an M.S. in Clinical Psychology and a Psy.D. in Clinical Psychology from Nova Southeastern University. She is also a Licensed Clinical Psychologist in the state of Florida. Her experience in the substance use disorder arena is vast and includes mental health, substance abuse treatment, and psychological testing; private practice providing mental health and testing services to adults and kids; and outpatient adult mental health clinic, teaching and training professionals in the following areas: addiction treatment in the LGBTQ+ community, HIV/AIDS, domestic violence, and psychopathology. Her personal philosophy and that of Hanley Center were perfectly aligned with the belief that the whole person must be treated—mind, body, spirit—using resources and tools that are evidenced-based and accessible to all people.

Ursula Avilus

DNP, PMHNP-BC – Director of Medical Services

Ursula received her nursing degree from Excelsior College in Albany, New York, and her Psychiatric Mental Health Nurse Practitioner license from Rivier University in New Hampshire. In addition, Ursula received a Bachelor of Social Work and a Masters in Nursing from Florida Atlantic University in Boca Raton, Florida. During her Master’s degree studies, she had a concentration in Administrative and Financial Leadership. Ursula has extensive experience in psychiatric nursing and nursing leadership. She is passionate about serving patients with mental illness and addictions and is committed to providing quality patient care. Before transitioning to the Hanley Center, Ursula worked for the State Hospital System in Florida and served civil and forensic psychiatric patients in Texas. In her free time, she enjoys spending time with her family and traveling.

Tara Paparo

CAC, ICADC – DIRECTOR OF ALUMNI SERVICES

Tara is a Certified Addiction Counselor (CAC) and an Internationally Certified Alcohol and Drug Counselor (ICADC). Tara came to Hanley in 2008 as a volunteer with a passion for helping people and their families recover from substance use disorders. Tara became an employee and worked in many departments over the years, such as Admissions, Continuing Care, Human Resources, Family Program, and Executive Assistant to our Executives and Clinical Director. She encourages each person preparing for discharge to attend the many support groups that are offered weekly, in person or virtual. Tara and her team stay in contact with all alumni via phone, email, and text. Tara loves spending time with her family, husband, children, grandchildren, and dogs.