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Hayley Heitzig, MA, BCBA
Director, Fresno & Kern County
Hayley Heitzig began her career as a Behavior Analyst with Holdsambeck Behavioral Health in 2004. Hayley graduated from C.S.U. Fresno with a Master’s Degree in Psychology and an emphasis in Applied Behavior Analysis. Hayley is a Board Certified Behavior Analyst. She is the Autism Clinical Coordinator for the Early Intervention Program for children with autism in the Central Valley. She also oversees the Early Intervention Program for children with autism in the greater Bakersfield area.
Mieke San Julian, MA, BCBA
Mieke San Julian has provided services to individuals served by regional centers since 1997. Mieke has served as a Behavior Interventionist, Senior Behavior Interventionist, Clinical Supervisor and Behavior Analyst. Mieke has provided services directly and supervised services for people with Autism, Pervasive Developmental Disorder-Not Otherwise Specified, Aspergers syndrome, Intellectual disability, Oppositional Defiant Disorder and Down syndrome.
Natalie Martin, MA, BCBA
Director, Ventura County
Natalie Martin has experience providing ABA services since 1994 to a wide range of people with developmental disabilities throughout Ventura County. She began her career as a behavior interventionist with a specialty in parent training. Natalie directs clinical ABA services for Holdsambeck Behavioral Health in Ventura County. She holds a MA in Special Education and is a Board Certified Behavior Analyst (BCBA).
Jennifer Posey, MA, BCBA
Director, Northern Santa Barbara County
Jennifer Posey has been working with children with developmental disabilities since 1995. She graduated with a BA in Behavior Psychology in Maryland and began working in a residential school setting for children with autism and significant challenging behavior. Since then she's worked in a variety of capacities at a variety of settings including public schools, non-public schools and home-based ABA. She has an MA in Special Education and a became a Board Certified Behavior Analyst in 2013. She is passionate about helping individuals, families, and communities. She strongly believes we can "save the world with ABA". Jennifer oversees clinical ABA services for Holdsambeck Behavioral Health in Northern Santa Barbara County.
Candace Robertson, MA, LMFT, BCBA
Director, San Luis Obispo and Kern Counties
Candace completed her undergraduate degree in psychology at San Jose State University and her Master’s in Psychology at Chapman University. She then received her Certificate in Behavior Analysis from Florida Institute of Technology. Candace is a Licensed Marriage and Family Therapist and Board Certified Behavior Analyst and has been working with children, adolescents, and adults on the Autism Spectrum and their families for more than 12 years. She has worked in a variety of settings including residential treatment, supported living, supported employment, Tri-Counties Regional Center, and in a non-public school providing behavior therapy for emotionally disturbed children. In addition to her ABA experience, she has had training and experience treating a wide variety of childhood disorders in a therapeutic setting, including behavioral and emotional disturbances, PTSD, and attachment disorders.
Megan Stollmeyer, MA BCBA
Director, Southern Santa Barbara County
Megan moved to Santa Barbara, California from Walnut, California in 2007 to pursue her undergraduate degree in Psychology. She quickly became passionate about investing in the lives of those with developmental disabilities. Megan began working at Holdsambeck Behavioral Health in 2008 as a behavior interventionist and can still recall her excitement when she realized there was actually an evidence-based treatment that could improve behavior, and consequently improve lives. Megan has since completed her graduate studies and has also developed a passion for growing as a leader and communicator while developing a team of well-rounded behavior interventionists who have a passion to change the lives of individuals they serve.
Tamera Wong, MS, BCBA
Director, Fresno & Kern County
Tamera Wong began her career as a Behavior Analyst with Holdsambeck Behavioral Health in 1994 after graduating from C.S.U. Fresno. Tamera holds a Master’s Degree in Psychology from Walden University. She earned her Applied Behavior Analysis post-graduate degree from University of North Texas. Tamera directs Behavior Intervention Services in the Central Valley. She is the Clinical Director for the Early Intervention Program for children with autism in the Central Valley. She also helps to oversee the Early Intervention Program for children with autism in the greater Bakersfield area
Rob Holdsambeck, EdD, LCP, BCBA-D
CEO, Holdsambeck Behavioral Health
Executive Director, Cambridge Center for Behavioral Studies
Dr. Holdsambeck has over 35 years of clinical experience delivering ABA services to people with developmental disabilities, including those on the autism spectrum. He served his country as a Captain in the USAF-R; his community as a professor of behavior analysis for over 25 years; and his field as Executive Director of the prestigious Cambridge Center for Behavioral Studies. He was selected as the 2010 distinguished colleague by the Chicago School LA's department of ABA. In 2011, he received the outstanding service award from the Cambridge Center for his work in bringing evidence-based practices to California.