Leadership Team

La Amistad Behavioral Health Services prides itself on its experienced and dedicated leadership team, including:

Carlos H Ruiz MD

Medical Director

Diplomat of the American Board of Psychiatry and Neurology Diplomat of the American Board of Addiction Medicine Carlos H Ruiz MD is a bilingual psychiatrist currently pursuing interests in clinical … read more

Rodney Letterman, L.C.S.W.

Chief Executive Officer

Rodney Letterman is La Amistad Behavioral Health Services’ Chief Executive Officer. He is a Licensed Clinical Social Worker with a master’s degree in social work from Temple University in Philadelphia … read more

Robert Buchholz, M.D.

Staff Physician

Dr. Robert Buchholz is Board Certified in adult psychiatry. He joined La Amistad as a full-time staff psychiatrist in 2006, attending adult clients in the residential and partial hospitalization programs. … read more

Shaun Blackshear

Director of Nursing

Shaun Blackshear has been with La Amistad since 2006. He started his career at La Amistad as a staff nurse, then as a nurse supervisor, and now the Director of … read more

Brian Sellers, L.C.S.W.

Director of Clinical Services

Brian Sellers serves as the Director of Clinical Services of La Amistad Behavioral Health Services and has acted in a clinical leadership role at La Amistad since 2001. He manages … read more

Irene Prezioso, RN

Director of Risk Management

Irene has worked at La Amistad in a variety of leadership roles since 2005. She has been certified in Mental Health and Substance Abuse nursing in both Massachusetts and Florida … read more

Michelle Nye

Director of Education

Michelle Nye is Director of Education at La Amistad Learning Center. She is licensed in Educational Leadership and Exceptional Student Education with a Master’s Degree in Severe Emotional Disturbance from … read more

Desiree Martin, LMHC

Child and Adolescent Social Services Manager

Desiree Martin is the Program Manager at the Maitland campus for adolescents. Desiree is a Licensed Mental Health Counselor and received her education credentials in clinical mental health counseling from … read more

Larry Muse, L.M.H.C., C.A.P.

Chemical Recovery Program Manager - Adult Services

Larry Muse began his career as a Staff Psychologist in 1978, providing personality and intellectual assessments as well as psychotherapy.  His licensure is in Mental Health Counseling, with an undergraduate … read more