meet our
Clinical team

Alexandra Bowman,
M.S.

Clinical Supervisor | San Diego

Alexandra Bowman is Board Certified Behavior Analyst (BCBA) who has been in the field of ABA for 10 years. She holds a bachelor’s degree in Cognitive and Behavioral Neuroscience from UCSD and a master’s degree in Special Education from ASU. Alexandra is passionate about applying evidence-based strategies to help individuals reach their fullest potential by promoting independence and generalization of skills. Her approach is rooted in collaboration, compassion and data-driven ethical decision making to ensure effective and individualized behavioral support. In her free time she loves spending time with her family, traveling and doing pilates.

Rita
Caballero, M.S., BCBA

Clinical Supervisor | Orange County

Rita is a Clinical Supervisor at Creative Solutions for Hope. She joined CSH in 2022 as a case manager. She became a Board Certified Behavioral Analyst in 2024. She is responsible for overseeing and developing treatment plans for the clients and behavioral therapists in OC. Rita has experience in working with individuals from a wide range of ages in the home, community, and clinic setting. She also has experience in utilizing different functional communication methos such as augmentative devices and PECS. During her free time, Rita enjoys spending time with friends and family, watching the new trending Netflix shows, and trying out new brunch spots.

Megan De Leon, M.S., BCBA

Clinical Supervisor | Orange County

Megan is a Clinical Supervisor at Creative Solutions for Hope. She joined the CSH family in 2019. She is responsible for providing support to behavior therapists, case managers, and parents/caregivers. She also designs and implements individualized behavior intervention plans and Functional Behavior Assessments (FBA) to individuals with Autism Spectrum Disorder and other developmental disabilities. She has experience in working with individuals from a wide range of ages in the home, community, and clinic setting. She has experience with implementing ABA strategies, including Discrete Trial Teaching, Naturalistic Teaching, Functional Communication Training, and Chaining Procedures. Megan graduated with a Bachelor of Arts degree in Psychology, with a minor in Human Services in 2019 and received her Master of Science in Applied Behavior Analysis in 2022. She became a Board Certified Behavior Analyst (BCBA) in September 2022. During her free time, Megan enjoys spending time with family, trying new coffee shops, and working on DIY crafts.

Cody Graham, M.Ed., BCBA

Senior Clinical Supervisor | San Diego

Cody Graham is a Clinical Supervisor at Creative Solutions for Hope. He is responsible for overseeing and developing treatment plans for the clients and behavioral therapists in the San Diego region. He has experience in developing and implementing behavioral intervention programs, 1:1 therapy, parent training and consultations, as well as staff training and support. Cody also does functional behavior assessments and is responsible for administering a variety of developmental assessments. He has extensive experience in behavior management, functional communication training, as well as teaching life-skills to individuals with developmental disorders of varying ages. His main goal in ABA is to create lasting and meaningful change in the lives of the families that he works with by implementing highly individualized treatment packages wherein the families priorities and concerns are heard and addressed. Cody graduated from the University of California, Santa Barbara in 2012 and received his B.A. in psychology with a minor in anthropology. He also received a M.Ed., with an emphasis is ABA instruction and curriculum from Arizona State University in 2017. In 2019, Cody earned his BCBA credentialing. During his free time, he likes to play sports, and enjoy the outdoors with his family and dog Cali.

Stefanie Levy, M.S., BCBA

Senior Clinical Supervisor | Inland Empire

Stefanie Levy is a Senior Clinical Supervisor at Creative Solutions for Hope. She is responsible for overseeing BCBAs, case managers, and therapists (including Registered Behavior Technicians [RBT’s]) as well as clientele. Stefanie also heads the assessment department for the Inland Empire region. She has experience with program development, creation and implementation of behavior intervention plans, 1:1 therapy, parent training and consultations. Stefanie also has a comprehensive training in the principle of behavior analysis and various methodologies such as: Verbal Behavior, Discrete Trial Training, Functional Communication Training, and Pivotal Response Training. Stefanie graduated from California State University, Fullerton and received her bachelor’s degree in Liberal Studies. She also has her master’s degree in Applied Behavior Analysis from the Chicago School of Professional Psychology and became a Board Certified Behavior Analyst (BCBA). During Stefanie’s free time, she likes to cook, workout, as well as spend time with her friends and family.

Carlos Mendez Madrigal, M.A.

Clinical Supervisor | Orange County

Carlos Mendez Madrigal is a Case Manager for Creative Solutions for Hope. He has been working in the field of Applied Behavioral Analysis for 9 years now. He received a B.S in Psychology in 2022 and finished his graduate degree from Arizona State University In Special Education and ABA Emphasis. In his current role, Carlos is responsible for working directly with families, training staff and making sure that every single client is showing progress! In the near decade of experience Carlos has worked with all age ranges, doing Early Intervention with as young as 2 year-olds to running Adult Transition Programs with clients in their 20s. When not running behavior programs, Carlos can be found at the beach or finding new coffee shops in the OC.

Aisha Muhammad, M.A., BCBA

Clinical Supervisor | Los Angeles

Aisha Muhammad is a BCBA at Creative Solutions for Hope. She specializes in designing and implementing individualized treatment plans that promote meaningful skill development, independence, and effective behavior change. Her work experience emphasizes collaboration with families, schools, and multidisciplinary teams to ensure interventions are practical, effective, and aligned with each client’s unique needs. With expertise across skill acquisition, behavior reduction, and generalization, she is dedicated to creating supportive environments that empower clients to thrive. Aisha is committed to evidence-based practice, clear communication, and fostering long-term success for the individuals and families she serves.

Toan Nguyen, M.A., BCBA

Clinical Supervisor | Orange County

Toan Nguyen is a clinical supervisor at Creative Solutions for Hope. He is responsible for developing programs for each client and overseeing and evaluating treatment plans and progress. Toan also does parent training and supports staff. He has experience in establishing treatment programs and 1:1 therapy. His goals are to continuously improve with feedback.

Toan graduated from CSULB with a BA in biology and from FIT with an MA in behavior analysis. He obtained his BCBA credentialing in August 2023. During free time, he likes to play video games and cook. 

Chia
Oranuba, M.S., BCBA

Clinical Supervisor | San Francisco

Chiamaka is a Clinical Supervisor at Creative Solutions for Hope. She joined the CSH family in 2018. She is responsible for providing support to behavior therapists, case managers, and parents/caregivers in San Francisco region. She designs and implements behavioral intervention programs and conducts various developmental assessments such as Functional Behavior Assessments (FBA), ABAS-3, Vineland etc. Her main goal in ABA is to ensure her clients’ needs are met by creating long lasting changes through the implementation of ABA strategies that is unique to each individual client. She has experience with implementing ABA strategies, including Discrete Trial Teaching, Naturalistic Teaching, Functional Communication Training, and Chaining Procedures.

Chiamaka graduated with a Bachelor of Arts degree in Psychology & Social Behavior from University of California, Irvine and received her Master of Science in Applied Behavior Analysis in 2020. She became a Board-Certified Behavior Analyst (BCBA) in December 2023. Outside of work, she enjoys spending time with family traveling and trying out new dishes.

Amanda Marie Small, M.A., BCBA

Clinical Supervisor | Los Angeles

Amanda is a Clinical Supervisor at Creative Solutions for Hope, where she is dedicated to assessing client needs, developing personalized intervention plans, and providing ongoing support to clients, their families, and clinical teams. With over eight years of experience in the field of Applied Behavior Analysis (ABA), Amanda is experienced in providing 1:1 therapy, parent consultations, and supervision of clinical staff. She specializes in Naturalistic Developmental Behavioral Interventions (NDBIs), particularly Pivotal Response Treatment (PRT), and is skilled in creating individualized goals that focus on both skill acquisition and behavior reduction. Amanda’s mission is to provide hope and support to families, wherever they are in their child’s developmental or diagnostic journey. She is also passionate about working closely with all members involved in each client’s care (e.g., teachers, speech-language pathologists, occupational therapists, etc.) to ensure a coordinated and comprehensive approach.

Amanda holds a Bachelor’s degree in Psychology with a minor in Applied Psychology from the University of California, Santa Barbara (UCSB), graduating in 2017. She earned her Master of Science in Applied Behavior Analysis with an emphasis in Counseling, as well as an advanced certificate in Autism, from California State University, Los Angeles (CSULA), in 2021. She then became a Board Certified Behavior Analyst (BCBA) in January 2022.

Outside of her professional work, Amanda enjoys spending time with her family and friends (especially her two nieces and two nephews), reading, relaxing at the beach, and planning her wedding for October 2026!

Violet Tinjaca, M.S.

Clinical Supervisor | SF-Penn

Violeta Tinjaca is a Senior Clinical Supervisor at Creative Solutions for Hope. Violeta provides services for children and their families diagnosed with Autism and other related disorder. She is responsible for overseeing and providing clinical guidance to our clinical team through evaluations and supervision. She has experience conducting and completing FBA’s, administering various assessments, parent training and consultations, and mentoring staff through ongoing trainings. She has received comprehensive training in the principles of Applied Behavior Analysis and various ABA methodologies such as: Verbal behavior, Discrete Trial Training, Functional Communication Training and  Pivotal Response Treatment.
Violeta graduated in 2008 from California State University of Los Angeles with her BA in Psychology. In 2010, she obtained her Master’s Degree in Counseling with an emphasis Applied Behavior Analysis from California State University of Los Angeles and, in 2012, earned her BCBA credentialing.

Lia Verlander, M.S., BCBA

Clinical Supervisor | SF-Penn

Lia Verlander is a BCBA at Creative Solutions for Hope. She is responsible for creating, developing and overseeing client programs. Lia also supports clinical managers in improving their clinical and administrative skills. She has experience in developing and implementing behavior intervention plans, direct intervention, conducting parent training, training staff members, and consulting with various team members including OTs and SLPs. She has received comprehensive training in the principles of behavior analysis and has specific experience in PRT and SBT, along with various other methodologies. Lia graduated from Pepperdine University and received her masters in Applied Behavior Analysis and earned her BCBA credential shortly after graduating. During her free time, she likes to play with her dog and spend time with friends.

Collin Zadra, M.S.

Clinical Supervisor | San Diego

Collin Zadra is a Clinical Supervisor at Creative Solutions for Hope. Collin is responsible for providing services for children and families diagnosed with Autism and other related disorders. He is responsible with creating, developing, and overseeing program development for patients in various settings. He also conducts functional behavior assessments to determine appropriate skill goals as well behavior support plans for maladaptive behaviors. Collin has experience in parent training, staffing training, maladaptive behavior protocols, and various other aspects of the applied behavior analysis field. He has received comprehensive training in the principles of Applied Behavioral Analysis and designing patient specific treatment plans.

 

Collin graduated in 2017 from San Jose State University with his B.S in Psychology with a focus on child development. In 2023, He obtained is master’s degree in Applied Behavioral Analysis from Capella University and obtained his BCBA credential in 2024.