Psychologist Biographies

Dr. Robert H. Mastikian

CEO-Founder RONIC Psychological Services, L.L.C.

Clinical, Forensic, and Neuropsychological Specialties

Dr. Mastikian is a licensed psychologist in Arizona. He owns and operates RONIC Psychological Services, LLC. His specialties are forensic, clinical, and neuropsychological assessments and evaluations. Prior to becoming a psychologist, he earned his Bachelor of Arts degree in political science from California State University, Northridge. He then earned his Master of Arts degree in clinical psychology, with an emphasis in Marriage and Family Therapy from Pepperdine University in California. Dr. Mastikian received his doctoral degree in clinical psychology from the Arizona School of Professional Psychology at Argosy University in Phoenix, Arizona.

Dr. Mastikian has extensive clinical experience working with adults and children in clinical and forensic settings. He conducts clinical evaluations on children and adults to discern the presence of mental illness and to garner information to assist in treatment planning. Dr. Mastikian also conducts individual and group therapy with children, adolescents, and adults. He has extensive clinical experience conducting therapy with these age groups, and for a variety of different referral concerns. His primary theoretical approach is Cognitive Behavioral Therapy, but he also utilizes principles from other therapeutic/theoretical approaches to improve overall outcomes and meet each client’s individualized needs.

Prior to becoming a psychologist, Dr. Mastikian began his career in mental health in 1999 as a case manager and crisis clinician for the Los Angeles County Department of Mental Health (LADMH). He provided outpatient mental health services for children, adolescents, adults, and geriatric clientele who are designated SMI (Severely Mentally Ill). While at LADMH, he also provided emergent psychiatric services for individuals experiencing severe psychological distress in the community for nearly 4 years. Dr. Mastikian relocated to Arizona in 2006 and continued his mental health training as a crisis clinician at the Urgent Psychiatric Care Center in downtown Phoenix. For nearly 3 years, Dr. Mastikian provided crisis intervention services for those diagnosed with SMI who were involuntarily petitioned for suicidal and/or homicidal ideations and/or behaviors, those who were non-compliant with mandated court ordered treatment, as well as those seeking voluntary admission. Dr. Mastikian also began providing therapy and evaluation services for the Arizona Department of Children’s Services under supervision at a forensic private practice in 2010. He continues to provide these services as an independently licensed psychologist/subcontractor at RONIC Psychological Services, LLC in Peoria and Flagstaff, Arizona.

As part of his graduate training, Dr. Mastikian evaluated and treated child/adolescent perpetrators and victims of various sex offenses, as well as other severely emotionally disturbed youth at the Children’s Center of Antelope Valley in Antelope Valley, California. He has also diagnosed and treated adults suffering from chronic substance dependence and/or co-occurring disorders within an inpatient residential treatment program at the Salvation Army Adult Rehabilitation Center in Phoenix, Arizona. Dr. Mastikian received extensive training at the Arizona State Hospital (AzSH) as a pre-doctoral trainee and pre-doctoral resident/intern for two years. While at AzSH, he provided mental health treatment for SMI adult patients determined by the courts to be Guilty Except Insane (GEI) or Not Guilty by Reason of Insanity (NGRI), as well as for individuals civilly committed for various sex offences at the Arizona Community Protection and Treatment Center (ACPTC). Treatment included individual therapy, clinical assessments, psychological testing, forensic evaluations, crisis intervention, and treatment planning. Dr. Mastikian completed his post-doctoral residency at the Arizona State Prison Complex at Perryville (ASPC-Perryville). While at ASPC-Perryville, Dr. Mastikian provided individual and group counseling, crisis intervention, risk assessments, discharge planning; psychological and neuropsychological evaluations; consultation services; and developed and implemented new group therapy programs for the Women’s Treatment Unit (WTU).


Dr. Summer Schneider


Dr. Schneider is a licensed Clinical Psychologist in the state of Arizona. She earned her Master’s and Doctoral degrees in Clinical Psychology from The Arizona School of Professional Psychology at Argosy University. She has years of experience providing psychotherapy and assessment services to a variety of adult, adolescent, and child populations. She has worked in many settings including outpatient community mental health clinics, private practice, a crisis hotline, an inpatient psychiatric hospital, an inpatient drug rehabilitation facility, and within the Maricopa County jails. Dr. Schneider currently works as a psychologist at the Arizona State Hospital and part-time in a forensic based private practice. Dr. Schneider is most interested in psychological and forensic assessment, supervision of pre-doctoral psychology students, and providing in-depth psychotherapy services. In therapy she takes a balanced approach by accepting her patient where they are while challenging them to develop toward their full potential. Dr. Schneider views a quality, collaborative relationship between patient and therapist as essential for healing. By focusing on relationship dynamics and the development of her patient’s awareness in the here-and-now, outdated ways of being are identified and resolved, allowing room for growth and wellness. Dr. Schneider’s approach to treatment is largely guided by foundational principles of Humanistic, Existential, and Psychodynamic theories. A repertoire of therapeutic elements within these models allows her to meet unique client needs without imposing a one size fits all solution.


Dr. Stephanie Leonard


Dr. Leonard is an Arizona Licensed Clinical Psychologist who earned her doctoral degree in 2006 from The Chicago School of Professional Psychology in Chicago, Illinois.   She completed her internship in a therapeutic day school working with children and their parents providing assessments along with individual, group, and family therapy.  Her clinical experience also includes working nine years in with an underserved population providing crisis interventions, individual and group therapy, and clinical intake assessments.  Dr. Leonard has successfully worked with individuals with various diagnoses with a strong emphasis on treating Post-Traumatic Stress Disorder and Borderline Personality Disorder.  She has provided psychological evaluations, therapy, and therapeutic visits for clients referred from the Department of Child Safety.  In addition, she provides individual and group supervision to students and other professionals in the mental health field.


Dr. Jeremiah Isbell

Dr. Isbell is an Arizona licensed psychologist having earned his doctorate in clinical psychology from the Arizona School of Professional Psychology in 2015. He is a native of Arizona and earned his undergraduate degree in psychology at Arizona State University. Dr. Isbell has experience working with diverse populations in a variety of clinical settings providing psychological assessments and testing, individual and group therapy, and substance abuse treatment services.


Dr. Gustavo Franza

Dr. Franza is a bilingual in Spanish Clinical Psychologist with over 14 years of experience in the behavioral and mental health field. Dr. Franza earned his under graduate degree from California State University, San Bernardino, a Masters degree in professional counseling, a Masters degree in Clinical Psychology and a Doctorate degree in Clinical Psychology, all from The Arizona School of Professional Psychology at Argosy University, Phoenix. Dr. Franza completed extensive training at Children’s Institute, Inc. in Los Angeles, CA. The services specialized in treating trauma in children in ages raging from 3 to 18 years of age. Dr. Franza is currently working for Crisis Response Network (CRN) as a Behavioral Health Medical Professional (BHMP) conducting Seriously Mentally Ill (SMI) determinations, Informal Conferences for SMI appeal cases, and appears in Court representing CRN to help facilitate the SMI determination process.


Dr. Latoya Smart

Dr. Smart is a newly Licensed Clinical Psychologist in Arizona. She was born and raised in Jamaica, where she obtained her Bachelor’s degree in Psychology and Spanish at the University of the West Indies (2002). She received a Master’s in Juvenile Forensic Psychology (2008) and a PhD in Clinical Adolescent Psychology (2015) from Prairie View A&M University, Texas. Dr. Smart completed her internship at a day treatment center for Elementary and Middle School children in Florida, conducting group, individual and family therapy as well as psychological assessments. She also completed a post -doctoral fellowship at Harris County Juvenile Probation Department, Houston, Texas working with teens in a youth shelter conducting group and individual therapy and psychological assessments. Her training has largely involved specializing in children and youth in a variety of settings to include detention, residential, psychiatric and private practice. Her training has also involved individual and group therapy and psychological assessments with adults in corrections and private practice. Dr. Smart has also taught a wide range of undergraduate and graduate courses at Texas A&M International University and Grand Canyon University.


Dr. Nicole Mirkin

Dr. Mirkin is a licensed clinical psychologist. She specializes in psychological, forensic, developmental and psycho-educational evaluations. Prior to becoming a psychologist, she obtained a Masters degree in Marriage and Family Therapy and a School Counseling credential at Phillips Graduate Institute. Dr. Mirkin received her doctoral degree in clinical psychology from the Chicago School of Professional Psychology, with a specialization in child and adolescent assessment and treatment.  She has several years of experience providing psychotherapy and assessment services to a variety of adult, adolescent, and child populations. She has worked in many settings including private practice, school settings (elementary, middle and high school), and outpatient community mental health. Dr. Mirkin was awarded for having the top 25 most-accessed-dissertations for her research on the Impact of Social Media on Identity Development in Adolescence.


Dr. Dustin Howard

Dr. Dustin Howard is a bilingual (Spanish) Licensed Clinical Psychologist in the state of Arizona. He graduated with his doctoral degree in Clinical Psychology from The Chicago School of Professional Psychology in 2019. During his doctoral training, his primary training experiences included pediatric and adult neuropsychological assessment, psycho-educational assessments, and developmental assessments. Dr. Howard completed an APA-accredited internship and postdoctoral residency at Citrus Health Network in Miami, Florida. He provided assessment and diagnostic services, as well as therapeutic services in both English and Spanish to children, teenagers, and adults. Dr. Howard’s primary area of interest is in the assessment of neurodevelopmental disorders, and he specifically enjoys working with toddlers and preschoolers. As a fluent Spanish speaker, Dr. Howard is passionate about providing assessment and diagnostic services for children, teenagers, and adults within the Spanish-speaking community.


Cindy Quinonez

Office Manager RONIC Psychological Services, LLC


Cindy Quinonez is the Office Manager at Ronic Psychological Services. Cindy has over 9 years of managerial and administrative experience. She spent the last 7 years serving as an Office Manager in the mental health industry, and has a strong customer service record. Cindy will be handling billing, invoicing, scheduling, and more. Please feel free to contact Cindy anytime with questions or requests.