Supervisors
Executive Director: Takanori Koyama, PhD, BCBA-D
Taka's specialty is treatment of autism symptoms from toddler years to adulthood. Prior to earning a doctoral degree in special education from the University of Washington, he worked as a preschool and kindergarten special education teacher and managed an early intervention program in public school settings. More recently, Dr. Koyama has worked with adolescents and young adults with challenging behaviors in clients' homes and schools. His professional expertise and experience include early intervention for children with autism, augmentative and alternative communication (AAC), positive behavior support, visual supports, social skills training, TEACCH, and management of severe behavior problems. He speaks English, Japanese, and some Chinese. On weekends, he enjoys spending time with his son and wife.
Taka's specialty is treatment of autism symptoms from toddler years to adulthood. Prior to earning a doctoral degree in special education from the University of Washington, he worked as a preschool and kindergarten special education teacher and managed an early intervention program in public school settings. More recently, Dr. Koyama has worked with adolescents and young adults with challenging behaviors in clients' homes and schools. His professional expertise and experience include early intervention for children with autism, augmentative and alternative communication (AAC), positive behavior support, visual supports, social skills training, TEACCH, and management of severe behavior problems. He speaks English, Japanese, and some Chinese. On weekends, he enjoys spending time with his son and wife.
Alyson Mocarski
Clinical Supervisor: Alyson Mocarski, MA, BCBA
Alyson started her career in ABA therapy shortly after achieving her Bachelor’s Degree in Child and Adolescent Development. While working with a non-profit agency in Southern California, Alyson discovered how much she enjoyed working with children with autism and decided to go back to school to receive her Master of Arts in Applied Behavior Analysis and graduated in May of 2014. In August of 2014, Alyson sat for the BCBA exam and after achieving a passing score, decided to fulfill her dream of living in Seattle. With 6 years of providing ABA therapy to children of all ages, along with her recent certification, she made the move from Southern California to the Pacific Northwest and began her career with Northwest ABA. For fun, Alyson enjoys practicing yoga, running half-marathons and going on adventures with her husband and dog, Rigby.
Alyson started her career in ABA therapy shortly after achieving her Bachelor’s Degree in Child and Adolescent Development. While working with a non-profit agency in Southern California, Alyson discovered how much she enjoyed working with children with autism and decided to go back to school to receive her Master of Arts in Applied Behavior Analysis and graduated in May of 2014. In August of 2014, Alyson sat for the BCBA exam and after achieving a passing score, decided to fulfill her dream of living in Seattle. With 6 years of providing ABA therapy to children of all ages, along with her recent certification, she made the move from Southern California to the Pacific Northwest and began her career with Northwest ABA. For fun, Alyson enjoys practicing yoga, running half-marathons and going on adventures with her husband and dog, Rigby.
Kathryn Simangan Ambion
Regional Director (Tukwila): Kathryn Simangan Ambion M.Ed. BCBA
Kathryn’s interest in working in special education began when she volunteered at the University of Washington’s Experimental Education Unit (EEU) while receiving her Bachelor's Degree in Psychology. In 2010, she began the Master’s program at the University of Washington in Early Childhood Special Education. While attending graduate school, she worked as an assistant teacher in the preschool and Developmentally Appropriate Treatment for Autism (Project DATA) classrooms at the EEU. In these positions, she was able to design and implement individual programs, support children to generalize skills, and work collaboratively with families, teachers, and service providers to ensure that each child’s needs were met. In 2012, Kathryn served as an educational specialist at the University of Washington CARE at the Haring Center providing behavioral and educational intervention curriculum and consultation to individuals. In 2013, Kathryn became an behavioral and educational consultant at MOSAIC Children's Therapy Clinic where she supervised therapists, led weekly social skills groups, and led a prekindergarten inclusion classroom. In 2015, she joined Northwest ABA to continue her passion for working with individuals with autism and related disorders and their families. In her free time she loves spending time with her son and husband, traveling, hiking, and running.
Kathryn’s interest in working in special education began when she volunteered at the University of Washington’s Experimental Education Unit (EEU) while receiving her Bachelor's Degree in Psychology. In 2010, she began the Master’s program at the University of Washington in Early Childhood Special Education. While attending graduate school, she worked as an assistant teacher in the preschool and Developmentally Appropriate Treatment for Autism (Project DATA) classrooms at the EEU. In these positions, she was able to design and implement individual programs, support children to generalize skills, and work collaboratively with families, teachers, and service providers to ensure that each child’s needs were met. In 2012, Kathryn served as an educational specialist at the University of Washington CARE at the Haring Center providing behavioral and educational intervention curriculum and consultation to individuals. In 2013, Kathryn became an behavioral and educational consultant at MOSAIC Children's Therapy Clinic where she supervised therapists, led weekly social skills groups, and led a prekindergarten inclusion classroom. In 2015, she joined Northwest ABA to continue her passion for working with individuals with autism and related disorders and their families. In her free time she loves spending time with her son and husband, traveling, hiking, and running.
Adrienne Barker
Clinical Supervisor: Adrienne Barker, M. Ed., BCBA
Adrienne began working with individuals with special needs after completing her undergraduate degree in Speech and Hearing Sciences through the University of Washington. She helped open up a new clinic that was providing services in multiple environments, but continued to work in early intervention preschool Extended Day program for the Highline Public School District. Her drive for providing ABA services in the school setting lead her to work for the Academy for Precision Learning in Seattle for 5 years working both with ages kindergarten through eighth grade. She also earned her Master’s of Education through Texas Tech University with an emphasis in Applied Behavior Analysis and continued towards becoming a Board Certified Behavior Analyst. She joined the Northwest ABA team in October 2016 after volunteering abroad in the Dominican Republic through the Global Autism Project to provide sustainable training and support with both individuals with Autism Spectrum Disorder, as well as their clinical staff. Adrienne additionally enjoys spending time going to concerts, trying out new recipes, and photography and other creative projects.
Adrienne began working with individuals with special needs after completing her undergraduate degree in Speech and Hearing Sciences through the University of Washington. She helped open up a new clinic that was providing services in multiple environments, but continued to work in early intervention preschool Extended Day program for the Highline Public School District. Her drive for providing ABA services in the school setting lead her to work for the Academy for Precision Learning in Seattle for 5 years working both with ages kindergarten through eighth grade. She also earned her Master’s of Education through Texas Tech University with an emphasis in Applied Behavior Analysis and continued towards becoming a Board Certified Behavior Analyst. She joined the Northwest ABA team in October 2016 after volunteering abroad in the Dominican Republic through the Global Autism Project to provide sustainable training and support with both individuals with Autism Spectrum Disorder, as well as their clinical staff. Adrienne additionally enjoys spending time going to concerts, trying out new recipes, and photography and other creative projects.
Megan Ricks
Regional Director (Tacoma): Megan Ricks, M.Ed., LBA, BCBA
Megan began her career in child development and worked as a Montessori preschool teacher for 5 years. While completing her Bachelor’s degree in Organizational Management, Megan discovered her passion for working with children with autism and developmental disorders. After working within the ABA field for approximately one year as a behavioral interventionist, Megan decided to pursue a Master’s degree in Special Education with an emphasis in Applied Behavior Analysis. Once she completed her Master’s degree and passed the BCBA board exam, Megan became a clinical supervisor and mentor for behavior technicians seeking BCBA and BCaBA supervision. In January 2016, Megan transferred from sunny San Diego to the Pacific Northwest to continue her career in ABA. In September of 2017, Megan became the regional director for Northwest ABA in Tacoma. Megan loves her pug, anything vintage and taking art classes.
Stephani Moore
Program Manager: Stephani Moore, BCaBA
Stephani graduated with her Bachelor's in Psychology from Pacific Lutheran University in 2011. After graduating she decided to get in the field of ABA, and has now been doing it for over five years. Stephani will sit for her BCaBA in a couple of months. Eventually she plans on going back to school to get her Masters and her BCBA credential. While not at work, Stephani loves being outside and playing games with her husband and two small boys.
Stephani graduated with her Bachelor's in Psychology from Pacific Lutheran University in 2011. After graduating she decided to get in the field of ABA, and has now been doing it for over five years. Stephani will sit for her BCaBA in a couple of months. Eventually she plans on going back to school to get her Masters and her BCBA credential. While not at work, Stephani loves being outside and playing games with her husband and two small boys.
Lisha Padilla
Clinical Supervisor: Lisha Padilla, M.Ed., BCBA
Lisha began working with children with disabilities in 2007, while working as an Educational Assistant at the Hawaii School for the Deaf and the Blind. There she developed her passion for teaching and improving the lives of children with disabilities. In 2011, she became a special education teacher in a Community Based Instruction classroom, where she taught functional life skills to middle school aged students with severe disabilities. She earned her Master’s degree in Special Education, with an emphasis in Severe Disabilities and Autism in 2013. After working as a special education teacher for 6 years, she decided to leave her paradise home in Hawaii for the Pacific Northwest to further her career in Applied Behavior Analysis. Lisha joined the Northwest ABA team in January 2018. Lisha enjoys spending her time exploring the outdoors with her husband and two dogs.
Lisha began working with children with disabilities in 2007, while working as an Educational Assistant at the Hawaii School for the Deaf and the Blind. There she developed her passion for teaching and improving the lives of children with disabilities. In 2011, she became a special education teacher in a Community Based Instruction classroom, where she taught functional life skills to middle school aged students with severe disabilities. She earned her Master’s degree in Special Education, with an emphasis in Severe Disabilities and Autism in 2013. After working as a special education teacher for 6 years, she decided to leave her paradise home in Hawaii for the Pacific Northwest to further her career in Applied Behavior Analysis. Lisha joined the Northwest ABA team in January 2018. Lisha enjoys spending her time exploring the outdoors with her husband and two dogs.
Lina Kaneda
Program manager: Lina Kaneda, BCaBA
Lina began working with children in the autism spectrum in Florida after interacting with the ASD population during her time with the Walt Disney World company. She worked as a supporting therapist for a couple of years in a wonderful non-profit organization before obtaining her BCaBA certification. She is currently studying Professional Behavior Analysis at the Florida Institute of Technology's Hybrid Master's program, and is planning to sit for her next certification shortly after graduation. Lina is very interested in the dissemination of behavioral science as well as the application of behavior analysis techniques in the fitness field. She enjoys participating in obstacle course races with her husband in their free time, when they’re not relaxing with their rescued cat and two dogs. As a Colombian native, Lina is a fluent Spanish speaker and hopes to learn ASL post graduation.
Lina began working with children in the autism spectrum in Florida after interacting with the ASD population during her time with the Walt Disney World company. She worked as a supporting therapist for a couple of years in a wonderful non-profit organization before obtaining her BCaBA certification. She is currently studying Professional Behavior Analysis at the Florida Institute of Technology's Hybrid Master's program, and is planning to sit for her next certification shortly after graduation. Lina is very interested in the dissemination of behavioral science as well as the application of behavior analysis techniques in the fitness field. She enjoys participating in obstacle course races with her husband in their free time, when they’re not relaxing with their rescued cat and two dogs. As a Colombian native, Lina is a fluent Spanish speaker and hopes to learn ASL post graduation.
Lauren Wisegarver
Assistant Regional Director- Tukwila: Lauren Wisegarver, M.Sp.Ed, BCBA
Lauren graduated with a Master's degree in Special Education from the University of Texas in Austin in 2007. After working at a small private school for one year, she moved to an ABA clinic specializing in Verbal Behavior. There she provided individual therapy to clients ages 3-21. While a part of that organization, she piloted an ABA classroom program at a local private school. In 2015, she moved back to Seattle and began working as an Autism Specialist for a local school district. She joined the Northwest ABA team in August of 2018 in pursuit of more clinical work. In her free time she enjoys traveling, hiking, crafting and food!
Lauren graduated with a Master's degree in Special Education from the University of Texas in Austin in 2007. After working at a small private school for one year, she moved to an ABA clinic specializing in Verbal Behavior. There she provided individual therapy to clients ages 3-21. While a part of that organization, she piloted an ABA classroom program at a local private school. In 2015, she moved back to Seattle and began working as an Autism Specialist for a local school district. She joined the Northwest ABA team in August of 2018 in pursuit of more clinical work. In her free time she enjoys traveling, hiking, crafting and food!
Katie Walsh
Program Manager: Katie Walsh,M.ABA., BCBA
Katie’s career began in the field of accounting, but after figuring out quickly that wasn’t for her, she moved into the ABA field in June 2012. She is originally from New Jersey and began her career in the field at a school for children with autism. She quickly fell in love with the field and stayed at the school for 4 years, and then decided to work doing in-home therapy full time. It was then that Katie decided to pursue her ABA coursework. Katie graduated from Ball State University with her Masters in ABA in May 2018 and gained her national certification in September of 2018. Katie relocated to Seattle in March 2017 and in her free time, she enjoys spending time with her boyfriend, friends, family, and exploring the Pacific Northwest.
Katie’s career began in the field of accounting, but after figuring out quickly that wasn’t for her, she moved into the ABA field in June 2012. She is originally from New Jersey and began her career in the field at a school for children with autism. She quickly fell in love with the field and stayed at the school for 4 years, and then decided to work doing in-home therapy full time. It was then that Katie decided to pursue her ABA coursework. Katie graduated from Ball State University with her Masters in ABA in May 2018 and gained her national certification in September of 2018. Katie relocated to Seattle in March 2017 and in her free time, she enjoys spending time with her boyfriend, friends, family, and exploring the Pacific Northwest.
Tylar Polidori
Clinical Supervisor: Tylar Polidori, M.ABA., BCBA
Tylar received the majority of her training at the Lovaas Institute in California. While there, she fell in love with the art of ABA and how it can be applied across a wide variety of situations. Tylar finished her graduate degree while in California, from The Chicago School of Professional Psychology at Los Angeles. After obtaining her Masters in Applied Behavior Analysis, she moved to Virginia where she learned the value of helping families as a unit and obtained her BCBA credential. Tylar moved to Seattle in August of 2018 to further her skills as a BCBA and receive the mentorship from everyone at Northwest ABA. She enjoys being outside and doing any activity she can outside. Some of her favorite activities are backpacking, bike riding, and kayaking. She is an avid gym goer and loves to end her day at the gym.
Tylar received the majority of her training at the Lovaas Institute in California. While there, she fell in love with the art of ABA and how it can be applied across a wide variety of situations. Tylar finished her graduate degree while in California, from The Chicago School of Professional Psychology at Los Angeles. After obtaining her Masters in Applied Behavior Analysis, she moved to Virginia where she learned the value of helping families as a unit and obtained her BCBA credential. Tylar moved to Seattle in August of 2018 to further her skills as a BCBA and receive the mentorship from everyone at Northwest ABA. She enjoys being outside and doing any activity she can outside. Some of her favorite activities are backpacking, bike riding, and kayaking. She is an avid gym goer and loves to end her day at the gym.
Jill Germain
Clinical Supervisor: Jill Germain, M.ABA., BCBA
Jill has had a heart for working with individuals with special needs since she was young, cultivated by experience in her mother’s classrooms. After graduating from Baylor University in 2009 with her Bachelor’s in Special Education, Jill relocated to Washington D.C. and began working in the public schools. As a teacher, she worked with elementary aged children with ASD in both inclusive and self-contained settings; at this time, she began receiving training in ABA, learning how to integrate it into the classroom. In 2013, Jill moved to Cartagena, Colombia in pursuit of a (ongoing) dream of working abroad and collaborating with families that are under-served. In Colombia, she worked at a clinic that provides behavioral services to individuals ranging from 2-21 years old. Under the mentorship of Dr. Ron Leaf, she trained staff on ABA principles and strategies, assisted with high-need cases, and refined her Spanish. Jill returned to her hometown of Seattle in 2016 to expand upon her experience and complete graduate school at the University of Washington. Since then she has served as a behavior technician in various settings and worked at the UW Autism Center’s APEX summer camp. After graduating with her Master’s in Special Education in June, she received her BCBA credentials in August 2018. Jill is excited to continue serving incredible families in a new capacity! To relax and rejuvenate, Jill enjoys traveling, dancing, pursuing her faith, eating ice cream, and being outdoors.
Jill has had a heart for working with individuals with special needs since she was young, cultivated by experience in her mother’s classrooms. After graduating from Baylor University in 2009 with her Bachelor’s in Special Education, Jill relocated to Washington D.C. and began working in the public schools. As a teacher, she worked with elementary aged children with ASD in both inclusive and self-contained settings; at this time, she began receiving training in ABA, learning how to integrate it into the classroom. In 2013, Jill moved to Cartagena, Colombia in pursuit of a (ongoing) dream of working abroad and collaborating with families that are under-served. In Colombia, she worked at a clinic that provides behavioral services to individuals ranging from 2-21 years old. Under the mentorship of Dr. Ron Leaf, she trained staff on ABA principles and strategies, assisted with high-need cases, and refined her Spanish. Jill returned to her hometown of Seattle in 2016 to expand upon her experience and complete graduate school at the University of Washington. Since then she has served as a behavior technician in various settings and worked at the UW Autism Center’s APEX summer camp. After graduating with her Master’s in Special Education in June, she received her BCBA credentials in August 2018. Jill is excited to continue serving incredible families in a new capacity! To relax and rejuvenate, Jill enjoys traveling, dancing, pursuing her faith, eating ice cream, and being outdoors.