Clinical Staff

Dr. Marianne Jackson, Clinical Director

jackson staffDr. Jackson was introduced to the field of Applied Behavior Analysis (ABA) in 1999, when she began working with children and adults with Autism Spectrum Disorder (ASD) and other related conditions. After quickly deciding that this was her chosen career path, she obtained her Master's and Doctoral Degrees in Psychology, with a focus on Behavioral Analysis, from the University of Nevada Reno. She accepted a faculty position in the Psychology Department at Fresno State in 2009, where she continues to serve as the Clinical Director. She has researched and written on a number of related areas including social skills, complex verbal behavior, analysis and treatment of problem behavior, toilet training, an physical activity for individuals with ASD. Dr. Jackson remains dedicated to the field of Behavior Analysis and has served on the Association for Behavioral Studies. In her time at Fresno State she has also been awarded a Psi Chi Faculty of the Year award, a Provost Award for Most Promising New Faculty, and an Award of Outstanding Faculty Services from the College of Science and Math. Dr. Jackson is passionate about ensuring high quality services for individuals of all ages with ASD and related disorders and has shared her expertise by providing teaching, training, and clinical services in a variety of countries around the world.

 Dr. Steven Payne


Dr. Payne received his Ph.D. in behavioral Psychology in 2013, and has been a Board Certified Behavior Analyst Since 2012. He has been working with individuals with intellectual and developmental disabilities since 2008, and has experience working with children and adults with both IDD and comorbid psychological disorders. He also serves as a faculty member in the Psychology Department and Applied Behavior Analysis Master’s program at Fresno State. His primary area of expertise is in the assessment and treatment of severe problem behavior.  Dr. Payne currently oversees the residential/day program consultation services for Focused Behavioral Services at Fresno State.  

Board Certified Behavioral Analyst

Kathryne Balch, M.S., BCBA

katie staffKathryne began working in the field of Applied Behavioral Analysis with the Central Valley Autism Project in 2000. She obtained her Bachelor of Arts degree in Psychology from California State University, Fresno in 2002. In 2005, she completed her Masters of Science in Applied Behavior Analysis, with an Autism Special Interest, on-site at the University of North Texas. Kathyrne completed her internship for her graduate program in Seattle, Washington at the Organization for Behavior Research (formerly, Fabrizio Moors Consulting). She then returned to California to work with private agencies that served children and adults with Autism Spectrum Disorder and related disabilities. She joined Focused Behavioral Services in 2014 as a BCBA, and currently provides supervision to graduate level student and clinical treatment to individuals with disabilities.

Kacie A. Massoudi, M.A., BCBA

kacie staffKacie Anne Massoudi has a demonstrated history of providing comprehensive and focused Applied Behavior Analysis (ABA) services to individuals with disabilities. She has a passion for decreasing severe problem behaviors and is skilled in functional behavior assessments, functional analyses (across humans and non-humans), function-based interventions, and supervision for RBT and BCBA candidates. She obtained her Bachelor of Arts degree in Psychology with an emphasis in ABA and subsequently attained a Master of Arts degree in ABA from Fresno State. Kacie began working at Focused Behavioral Services in July 2017. In addition to her career at Focused Behavioral Services, Kacie is a part-time professor at California State University, Fresno and Fresno City College. She is a member of the Japanese American Citizen League (JACL) and previously served as a National Youth & Student Council member for the JACL.

Nicholas Vitale, M.A., BCBA

 FBS/STAFFNick began working with Focused Behavioral Services in 2014, shortly before completing his Bachelor of Arts degree in Psychology at California State University, Fresno.  He subsequently completed his Master’s degree in Psychology with a focus in Applied Behavior Analysis in 2018.  He is skilled in conducting functional behavior assessments, writing and implementing behavior intervention plans, and training caregivers on the implementation of those plans.  He has experience providing services to both children and adults with a variety of developmental and intellectual disabilities, and more recently, he has provided behavioral consultation to multiple group homes, day programs, and mental health facilities in the Fresno area.  In addition to his work with Focused Behavioral Services, he also teaches undergraduate courses in Behavior Analysis at Fresno State.