Our Staff


Christine Kim Walton, Ph.D., BCBA-D, LBA  


Dr. Walton is the Director of Behavior Analysis No Ka Oi, Inc. She was born and raised in Honolulu, Hawaii and has been working with children and adults with autism and developmental disabilities for over 20 years. She earned her Bachelor's Degree in Psychology from Loyola Marymount University, her Master's Degree in Psychology from the University of Nevada Reno's Behavior Analysis Program under the direction of Dr. Jim Carr, and her Ph.D. in Psychology in West Virginia University's Behavior Analysis Program under the direction of Dr. Philip Chase. In addition, she respecialized in Clinical Psychology at the University of Hawai'i and completed her clinical internship at the Department of Veterans Affairs. She worked as the Behavior Consult Team Coordinator and the Mental Health Division and Developmental Disabilities Division Liaison for people with co-occurring developmental disablities and mental illness in the Department of Health. She currently works part-time at the Developmental Disabilities Division. Dr. Walton has been a Board Certified Behavior Analyst since 2000 and is also a Licensed Clinical Psychologist. In her free time she enjoys running, hiking, and practicing yoga.


Jessica Carvalho, M.Ed., BCBA, LBA


Jessica is a Board Certified Behavior Analyst with a Masters degree in Special Education K-12, from Chaminade University in Honolulu Hawaii. She also completed her Bachelors of Science in Psychology at Bridgewater State University in Massachusetts and BCBA coursework from Florida Institute of Technology. Jessica has over 12 years of experience working with children and adults with autism and other disabilities. She worked as a paraprofessional for many years in Massachusetts and Hawaii as well as a licensed special education teacher with the DOE for five years and a tutor at BANKO. In her free time she enjoys spending time with her dog, hiking, and reading.


Sara Sato, M.Ed., BCBA, LBA

Sara is the Director of Education and Training of Behavior Analysis No Ka Oi, Inc. She is a Board Certified Behavior Analyst and holds a Masters Degree in Special Education, Severe Disabilities/Autism Specialization from the University of Hawai’i at Manoa. She also completed her Bachelors of Arts in Psychology and Japanese from UHM and BCBA coursework from Florida Institute of Technology. Sara has worked with children with Autism and other disabilities since 1999. She has served as an educational assistant in Special Education classrooms, as a paraprofessional for several behavioral companies, special education teacher in the DOE and as a Lead Instructor at BANKO. Additionally, Sara lived in San Francisco for several years and worked as a Behavior Analyst in the school and home settings. She is an active member of the Hawai’i Association for Behavior Analysis (HABA) and currently serves as the Legislative Committee Co-Chair. During her free time, Sara enjoys spending time with her family, going to farmers markets and practicing yoga.



Nicole Heber, M.A., BCBA, LBA


Nicole is a Board Certified Behavior Analyst who received her Bachelor’s in Behavioral Neuroscience from Purdue University in Indiana and her Master’s in Applied Behavior Analysis from The Chicago School of Professional Psychology in Illinois. Nicole has experience working in various settings with adults and children with Autism Spectrum Disorder and other disabilities. In her free time, Nicole enjoys reading, going to the/ watching movies, taking her dog on walks, and Zumba.


Kathryn Larson, M.A., BCBA, LBA


Kate is a Board Certified Behavior Analyst with a Masters in Clinical Practices in Psychology from the University of Hartford. She completed her Bachelor of Arts in Psychology at Southern Connecticut State University and completed her BCBA coursework through UMass Lowell. Kate has worked with children and adolescents with Autism in the ABA field since 2004 and has worked in multiple settings including a private ABA day school in Connecticut, a clinic setting in Virginia, as well as in homes in Virginia. In particular, Kate is interested in feeding programs and verbal behavior. In her free time, Kate enjoys spending time with her cats, crocheting, swing dancing, and diving for sea glass and shells.


Chanel Kealoha, Psy.D.


Dr. Chanel Kealoha earned her Bachelor’s Degree at the University of Southern California then went on to obtain her Master's and Doctorate degrees in Clinical Psychology at Pepperdine University. She completed a doctoral fellowship at Kapiolani Medical Center where she received intensive training in the assessment and treatment of families referred for issues related to child abuse. Dr. Kealoha is licensed to practice in Hawaii and has more than 10 years of experience providing clinical services. She has focused her training on Child and Adolescent Psychology, particularly the assessment, diagnosis, and treatment of Autism Spectrum Disorders throughout the lifespan. Her clinical background has been largely influenced by her interest in culturally-appropriate therapies and assessment. Through her research, Dr. Kealoha has sought to improve the relevance of mental health care and education for the Native Hawaiian community and her research on an alternative treatment for depression has been published in a nationally recognized medical journal.


Kim Wolff, M.S., BCBA, LBA

Kim holds a Master’s of Science degree in Applied Behavior Analysis from Simmons College in Boston, MA and is a Board Certified Behavior Analyst. She has extensive experience with educational consultation in home and school settings, adulthood consultation from transitioning to integrating into community and vocational settings, and behavioral consultation. Her expertise also extends to dental and other medical desensitization with the goal of reducing the use of sedatives for basic procedures and enhancing quality of life. When Kim is not working you may find her running with her dog, Tucker, hiking, rock climbing, gardening, decorating cakes/baking, or finding the next good eats.


Joni Wong, M.S.W., BCBA, LBA


Joni is a Board Certified Behavior Analyst who received her Bachelor of Social Work from University of Portland and her Master of Social Work, with the concentration area of Child and Family, from University of Hawaii, Manoa. She has worked at BANKO as a Lead Techinician for several years, and had 6 years of experience working with children and teenagers in various settings prior to joining the BANKO 'ohana. Joni was a part-time teacher at an alternative learning center, an after school care group leader, and a basketball and softball coach. In her free time, she enjoys boxing for fitness, watching movies, outdoor activities with friends and family, and taking her dog to the park.


Andrea Keesey, M.S., BCBA, LBA


Andrea is a Board Certified Behavior Analysis. She earned her master’s degree in behavior analysis at Simmons College in Boston, Massachusetts and her bachelors of arts in psychology and education at UMass Lowell. She has spent the last couple years working with children with autism and has experience teaching social skills groups to both children and adolescents. During her free time she likes to travel, hike, practice yoga and has taken up surfing and ukelele playing since moving to Hawaii.


Annette Chew, M.F.T., BCBA, LBA


Annette is a Licensed Marriage and Family Therapist and Board Certified Behavior Analyst. She was born and raised on the island of Oahu, where she has dedicated her work to supporting and strengthening the families that she has had the honor to work with. Her clinical experience includes a wide array and blend of psychotherapy and behavioral therapy. She received a Bachelors degree in Sociology from the University of Hawaii In Manoa and a Masters degree in Counseling Psychology with an emphasis in Marriage and Family therapy from Chaminade University. When she is not at work, Annette enjoys being with her son and seeing through world through his eyes.


Darren Olsen, M.A., RBT

Darren received his bachelor's degree in psychology at Arizona State University and his master's degree in Clinical Psychology from University of Hawaii. He is currently in the PhD program in Clinical Psychology at the University of Hawaii at Manoa. Darren also conducts emotional-behavioral assessments and therapy with youth at the Center for Cognitive Behavior Therapy. Prior to moving to Hawaii for school, he worked one on one with children with developmental disabilities for five years and also lived in Brazil for two years. Outside of work and school, Darren enjoys spending time with his family, volunteering with youth at his church, playing basketball, and going to the gym.


Nicole Fleming, B.A., RBT


Nicole Fleming received her bachelor's degree in Liberal Arts with a concentration in Social Behavioral Science at Soka University of America in Orange County, California. Nicole spent her early childhood years in Japan and then moved to Hawaii where she completed her primary and secondary education. She has been living on the Leeward side of the island since 2000. In college, she joined the taiko (Japanese drumming) club and has played ever since. She currently teaches the art of taiko to the youth at her local community center. In her free time, she enjoys spending time with family and friends, reading, kayaking, and cardio exercise.


Alysaunde Murphy, M.A., RBT

Aly is originally from the Bay Area and earned her BA in Psychology in Southern California at Cal Poly Pomona. She then worked as a Behavior Interventionist with children with developmental disabilities in the Bay Area before relocating to Oahu. Aly completed her Master of Arts in Clinical Mental Health Counseling at HPU in 2014. After completing a year-long practicum working with adults with mental illness and substance use disorders, she is excited to be working with children again. Aly now spends her time enjoying beautiful hikes and beaches around the island. Some of her other hobbies include working out, baking, traveling and spending time with her family and friends.


Marissa Ayala, B.A., RBT


Marissa is originally from Long Beach, California and obtained her B.A. is in Speech Pathology from California State University, Long Beach in 2012. She then worked as a Behavioral Therapist in Orange County, California before relocating to Oahu. Marissa has over two years’ experience in 1:1 ABA therapy in both clinical and at home therapy. Marissa was both peer and supervisor selected Therapist of the Year in 2013 in her previous behavioral therapy company. Marissa has a passion for making a difference and working with our kiddos. Marissa enjoys cooking, cleaning, going to the beach, and spending time with her family and friends.


Renee Wold, B.A., RBT


Renee received her bachelor’s degree in psychology from University of Hawaii at Manoa in 2014. She developed a passion for learning about and working with children while studying as an undergraduate research assistant in the Center for Cognitive Behavior Therapy under the supervision of Dr. Brad Nakamura. Prior to moving to Hawaii, Renee lived in Southern California and hopes to return and enroll in a doctorate program to pursue a degree in clinical psychology. In her spare time she enjoys hiking, dirt biking, rock climbing, scuba diving, attending concerts and playing with her dog.


Judith Ojukwu, B.S., RBT

Judith was born and raised on the north shore of Oahu, before relocating to the mainland. Judith received a B.S. in Psychology from The State University of New York at Stony Brook, in 2004. After her position as a family support worker, she developed a passion for children with developmental disabilities. Since 2007, Judith has worked as an Applied Behavioral Analyst (ABA) Therapist/Teacher, at private schools designed for children with ASD that focused on increasing appropriate social interactions and skill acquisition for children with autism. In 2011, she received an Advanced Certification degree in the field of Autism Spectrum Disorders, from Brooklyn College. Judith returned to Hawaii in 2014 and continues her passion to serve children with special needs. Her hobbies involve, spending time with family, hiking,reading, swimming, singing and dancing.


Vanessa Carter, B.A., RBT


Vanessa is originally from the Hamakua coast of Hawai`i Island, but was raised in Okinawa, Japan. She received her bachelor’s degree in English from the University of Hawaii at Manoa in 2011 and has recently completed an undergraduate speech language pathology program offered by the John A. Burns Medical School at UH Manoa. Vanessa will be pursuing a Master’s of Science in Communication Sciences and Disorders before becoming a licensed Speech Language Pathologist. In her spare time Vanessa enjoys weight training, watercolor painting, creating zentangles, and cooking.

Barley Walton, D.O.G.


Barley is a 5 year old English Cocker Spaniel and hails from the land down under. She has been a part of Behavior Analysis No Ka Oi, Inc. from its inception. Barley participates in social events with the children at the clinic and is our mascot. Barley enjoys swimming, getting her ears scratched, and running during her free time. She loves greenies and mummies homemade beef jerkey.


Addie Carvalho, D.O.G.


Addie is a 3 year old Goldendoodle who was born in Australia but resides in Kaneohe with her parents. Addie likes spending time at the clinic and playing with her BANKO friends. Addie also enjoys playing fetch and chase. She likes to go on long walks and hikes. She is great at cuddling and especially loves belly rubs!


Buns, B.U.N.N.Y.


Buns is the newest addition to the BANKO family.