DR ALBERT KNAPP - Key Persons


April Ampuero

Job Titles:
  • Intake and Scheduling Coordinator
  • Scheduling and Insurance Coordinator
April Ampuero has her BA in Psychology and Spanish from Chapman University. She has been in the field of ABA administration and scheduling support for the past 9 years. She enjoys being able to connect with families and ensure that they receive quality support and clinical services. Her free time is spent doting on her young daughter and having new experiences with her.

Caesar Ribeiro

Caesar Augustus Pinto Ribeiro, is a Board Certified Behavior Analyst (BCBA 1-21-47620). Caesar is from Brazil and is trilingual (English, Portuguese, and Spanish) and a father of 2. He completed his education n California and obtained both his bachelor's degree (Psychology) and Master's of Science (Applied Behavior Analysis) from California State University of Northridge. He then obtained his board certification in ABA in 2021. He has been in the field of ABA since 2013, first as a behavioral therapist, then as a program coordinator, behavioral consultant, associate clinician, clinician, and eventually a supervisor. Caesar Ribeiro comes to us with experience working with clients ranging from as early as 1 year 2 months to the age of 67 years across all severity levels. He also worked with both individuals on the autism spectrum as well clients with other developmental or intellectual disabilities. Caesar has worked in multiple environments providing ABA support including in the clinical setting, in-home setting, in school setting, and group home settings. Caesar is both observant and inquisitive and his passion in ABA comes from the need to understand behavior. His professional goal is to help individuals obtain the best quality of life improvements through ABA and to advocate for ABA to individuals whose age groups are severely impacted in its application such as adults and the elderly population.

Jane Dauksza Long

Job Titles:
  • Associate Clinical Social Worker ( ASW115273 )

Joseph Toews

Job Titles:
  • Associate
Joseph is an Associate Marriage and Family Therapist (AMFT #137694). He got his MA in Clinical Psychology from Azusa Pacific University and his BA in Psychology from California State University Long Beach. He has been working in the field since 2019 and has a unique approach to treatment using Attachment Theory and Cognitive Behavioral Therapy techniques tailored to each client's individual needs. He prides himself on using a client centered approach to create a relaxed and safe space for his clients to feel heard, understood, and expressed. He has a genuine caring nature for people and loves collaborating with families in order to provide the most effective treatment possible. Joseph has a passion for helping facilitate emotional awareness, insight, and growth with his clients. One of his favorite quotes is "we do not think ourselves into new ways of being, we live ourselves into new ways of thinking." Outside of the office, Joseph enjoys everything active from hiking, to beach volleyball, and hockey. Joseph also loves his down time with his cat and enjoys watching docuseries, movies, and a variety of podcasts.

Julie Brown

Job Titles:
  • Practice Manager

Lynn Bender


Miguel Gibbs

Job Titles:
  • Registered Psychological Associate ( PSB 94027932 )
Miguel Gibbs has a unique multicultural and professional background. Miguel is from Barbados / Venezuela, and he is bilingual (English, Spanish). Miguel has a Bachelor of Science degree in Clinical Psychology (ABA-Applied Behavior Analysis), a Master degree in Psychology, and a Doctoral degree in Psychology from the Central University of Venezuela. He has worked extensively with couples, families, adolescents and children in clinical and educational settings. Highly analytical, passionate, and detail-oriented professional, he is adept at developing individualized intervention plans and therapeutic treatment options. Miguel's goal is to provide help to children and their families in order to build the skills they need to achieve their professional goals and life dreams. Committed to community service, he actively engages in volunteer work and social programs. He is also a sport, outdoors enthusiast and an avid marathon runner. Miguel is supervised by Dr. Albert Knapp, PsyD, BCBA-D, RPT-S Clinical Psychologist (PSY 25873). He is excited to become a team member at Albert Knapp and Associates!