About us:

We are an established,
unique and highly
experienced team
of BCBAs providing direct
services to your child

say hello to...

Our Founders

Charlotte (Charlie) Bell and Ramla Chaudhry founded 2020 Behavior, LLC in 2018. With almost 40 years of combined experience in the field of ABA, Charlie and Ramla create 2020 Behavior, LLC with the goal of breaking away from the traditional 2-3 tiered ABA model and offering a one-of-a-kind service to families in the Bay Area.

Charlie and Ramla handpick only the very best BCBAs and take pride in maintaining a small, close-knit, and friendly company, with BCBAs who are trauma-informed, dynamic, creative and compassionate.

2020 Behavior conducts a highly rigorous 7 step hiring process to ensure all of our BCBAs meet the highest standard in the field. 

All of our BCBAs have between 7 and 20 yrs of experience in the field of ABA.

2020 founders

Charlotte (Charlie) Bell MA, BCBA

Charlie Bell, MA, BCBA is co-founder at 2020 Behavior, LLC.

Charlie has over 20 years of experience in the field of ABA. Prior to founding 2020 Behavior, LLC Charlie worked within schools, clinics and home settings in Los Angeles, Raleigh, London, Sydney and Singapore. Until 2017 Charlie was based in Singapore where she managed her own practice and worked with families across SE Asia, providing direct services, parent training, supervision, school consultation, social skills training and international consultation to clients with ASD and related disorders.

Originally from the UK, Charlie has a Masters in Psychology from the University of St. Andrews (Scotland) and holds a post-graduate certification in Behavior Analysis from Florida Institute of Technology.

Charlie brings warmth, humor and creativity into her practice. Charlie specializes in Early Intervention and Verbal Behavior.

Ramla Chaudhry, MA

Ramla Chaudhry, MA is co-founder and Director of Services at 2020 Behavior, LLC.

Ramla has 17 years of experience in the field of ABA. Prior to 2020 Behavior, Ramla worked within schools and home settings in Milpitas, Los Altos, San Jose, and Monterey. 

Ramla has a Masters in Human Behavior.

Ramla is passionate about providing best practice for the 2020 Behavior families, as well as providing a supportive, compassionate and collaborative environment for our BCBAs

the 2020 team:

BCBAS + STAFF

Click on an image to read more

Director of Operations: Chelsea Laxa, MA, BCBA

Chelsea Sioxson Laxa, MA, BCBA has worked with neurodiverse individuals for over a decade. She earned her master’s degree in Special Education with a focus in early childhood and served as a credentialed teacher in autism-specific classrooms before becoming a BCBA. Chelsea has experience directing behavioral programs in school, clinic & in-home settings. She routinely provides behavioral consultations for preschools, recreational programs, and homeschool families in the Bay Area, and has served on the Advisory Board for the Early Childhood Education department at San Jose City College. Chelsea has a special interest in leadership, diversity, and inclusion, and is co-authoring 2 online courses that explore those specific topics through a behavior-analytic lens. 

When she isn’t wearing her BCBA hat, Chelsea is the Executive Director and founder of a nonprofit that provides inclusive dance classes and peer mentorship opportunities to young children. She and her husband also run a travel blog that caters to other couples who enjoy vacationing on a budget! On her rare days off, you can find Chelsea laying in her hammock listening to true crime podcasts with her puppy and a hot cup of tea.

ABA Advisor: Hagop Rouchanian
MA, BCBA

Hagop Rouchanian, MA, BCBA has experience providing Applied Behavior Analysis as a behavioral therapist, associate clinician, clinical manager, and division training coordinator for ABA agencies in the Peninsula and San Francisco Region of Northern California. 

Hagop has provided ABA services in homes, schools, clinics and community settings for individuals diagnosed with autism ranging between the ages of 18 months to 28 years old. Hagop targets socially significant behaviors through observation and assessment tools and applies individualized, high quality, effective, and evidence based behavior analytic principles to bring forth meaningful changes. He recognizes that families are essential team members of the treatment team therefore he thoroughly enjoys disseminating behavior change principles and behavior change tactics to ensure families are equipped with the necessary tools for successful outcomes and generalization of skills outside the treatment setting.

When not at work, Hagop enjoys spending time with his family, travelling, and playing basketball. 

Michelle Herrejon M.Ed., BCBA

Michelle Herrejon, M.Ed., BCBA, has experience working with children 18 months to 16 years old with ASD in the home and school setting. She has had the opportunity to provide ABA to students with a variety of conditions ranging from intellectual disabilities, emotional disturbance, oppositional defiance, and trauma in a school setting. Michelle strives to support families and learners by teaching behaviors that are functional and significant. She enjoys getting to individualize programs to best meet learner’s needs and enhance their quality of life..

Ashley Jackowski
MA, BCBA

Ashley Jackowski, MA, BCBA has experience providing ABA as a behavioral therapist, program supervisor, and a clinical manager for ABA agencies in the East Bay Area of Northern California. 

Her favorite aspects of ABA include improving socially significant behaviors, providing inclusive and collaborative services with other professionals, and utilizing clinically effective assessment tools to help drive treatment. She also has a passion for family education and understands how crucial and imperative parent/caregiver training is for the generalization and maintenance of skills. 

She enjoys working with families primarily within their home and looks forward to providing treatment at a level that allows for the most direct support.  

Chandni Patel
M.Ed., BCBA.

Chandni Patel, M.Ed., BCBA, has diverse experience in serving clients and their families. Her experience ranges from working with children with high needs in special day schools to adults with developmental disabilities in a home setting. Chandni’s speciality is supporting learners with limited language and adaptive skills. Her passion in the field of Applied Behavior Analysis is supporting learners in their social-emotional development, as well as teaching advocacy skills to both learner and family. Chandni’s collaborative partnerships with parents, teachers, occupational therapists, and speech pathologists allow for a comprehensive treatment plan to effectively manage behavior change across multiple settings for each client. 
 
Originally from Chicago, Chandni’s Bay Area favorites include spending time in the city with her large dogs, eating her weight in burritos in the SF Mission District, and spending a day at the beach.

Justine Nardiello
MS, BCBA

Justine Hernandez, M.S., BCBA is a born-and-raised Bay Area native growing up in East Side San Jose.
After graduating from San Francisco State, her career in ABA started when her mother suggested looking
into behavior technician jobs. During her field training, she felt it was just like peanut butter and jelly –
they just go together. After some much-appreciated encouragement from her mentor, she pursued her
Master’s in Applied Behavior Analysis from National University.
Over the course of her time in the field, she has gained experience working with children and adolescents with autism and
in home, community, and school settings. She has worked in a variety of positions in the
field, including behavior technician, training coordinator, case manager, and behavior supervisor. She
thrives on using her expertise to teach functional skills that are meaningful to her clients and tailored to
their learning style. She also loves supporting and empowering caregivers by teaching them how to
utilize the tools and skills to best support their children outside of treatment.
In her spare time, Justine can be found watching re-runs of Frasier, squealing with glee whenever she
sees French bulldogs, camping, painting, playing video games, or cheering on the San Jose Sharks.
 

Monica Woodworth (Austin, Tx.)
M.Ed., BCBA

Monica Woodworth M.Ed., BCBA, LBA discovered her passion for ABA during her 10 years as a special education teacher. She was introduced to ABA and knew this was how she could better serve children with Autism and their families. Monica received her Masters in Special Education with a Concentration in Applied Behavior Analysis and continued to work in the school setting as a BCBA for Texas School for the Deaf where she provided ABA services to children with a variety of conditions including emotional disturbance, oppositional defiance disorder, childhood trauma, ADHD, and intellectual disabilities. Monica has also provided ABA services in the home, clinic, and community. She has experience working with children from the age of 3 to adults in their 30’s. Monica is a firm believer in collaborating with other professionals including teachers, speech therapists, occupational therapists, and pediatricians in order to provide the very best therapy for each individual.

Monica lives in Austin with her handsome husband, sweet Baby Girl Poppy, and cute pups:
Lucy, Callie, and Roscoe. She enjoys traveling, seeing as many concerts as possible, cheering for her Longhorns (Hook Em’!), trying new restaurants, and introducing Poppy to everything the world has to offer.

Wendy Kwang,
MS, BCBA

Wendy Kwang, MS, BCBA is a San Francisco native currently residing in San Mateo. She earned a bachelor’s degree in psychology from University of California, Santa Cruz. After college, she worked as a behavior technician for several years, fell in love with the field of Applied Behavior Analysis (ABA), and moved on to earn her master’s degree in Applied Behavior Analysis from California State University, Northridge. Her experience involves designing and overseeing behavior reduction and skill acquisition programs for neurodiverse and neurotypical individuals ages 2 to 18 in their home, school, and community settings.

She is deeply passionate about designing individualized programs based on each client’s skillset, preferences, values, and responses to various learning strategies. She believes that collaboration with parents, teachers, and other service providers is absolutely essential for skills generalization and progress maximization. She also loves teaching any communication and daily living skills that will empower her clients to advocate for themselves and to increase their independence.

Besides ABA, she enjoys spending time with her loved ones, traveling to new places, and trying new restaurants and coffee shops. During the weekend, you may spot her stuffing her face with food or greeting every dog who passes her by.

ABA Advisor: Hagop Rouchanian MA, BCBA

Hagop Rouchanian, MA, BCBA has experience providing Applied Behavior Analysis as a behavioral therapist, associate clinician, clinical manager, and division training coordinator for ABA agencies in the Peninsula and San Francisco Region of Northern California. 

Hagop has provided ABA services in homes, schools, clinics and community settings for individuals diagnosed with autism ranging between the ages of 18 months to 28 years old. Hagop targets socially significant behaviors through observation and assessment tools and applies individualized, high quality, effective, and evidence based behavior analytic principles to bring forth meaningful changes. He recognizes that families are essential team members of the treatment team therefore he thoroughly enjoys disseminating behavior change principles and behavior change tactics to ensure families are equipped with the necessary tools for successful outcomes and generalization of skills outside the treatment setting.

When not at work, Hagop enjoys spending time with his family, travelling, and playing basketball. 

Kellie Bohlke
MA, BCBA

Kellie Bohlke, MA, BCBA, has experience with ABA and educational services to individuals ages 2-18 in schools, homes, and clinics in the Bay Area. She is passionate about using her background in Elementary Education and expertise in the field of Applied Behavior Analysis to help learner’s develop skills that build upon their strengths. Prior to joining 2020 Behavior, Kellie worked as a Lead Teacher, and then as the Clinical Director, for a non-public school serving students in need of intensive behavioral support and individualized educational programs. Her particular expertise includes teaching self-management, functional communication, social skills, and providing support to families and staff to encourage collaborative, learner-centered programs. Kellie is originally from Minnesota and enjoys spending time outdoors, hiking, dancing, biking, and reading. 

Kinga Wołos-Zachmeier MA, BCBA

Kinga Wołos-Zachmeier, MA, BCBA is originally from Poland and has had the pleasure of working with children, teenagers and adults with autism in a variety of settings, including home, schools and clinics. She practiced ABA in Indiana before moving to California. Most recently Kinga served as Clinical Director at a school specializing in supporting students with behavioral challenges. 

Kinga is passionate about behavior analysis and she finds clients’ progress to be the most rewarding and motivating aspect of her work. She focuses on what clients can do instead of their deficits and helps them build up skills to reach their full potential. Kinga considers parent training to be an essential component of every successful intervention. 

Aside from ABA, Kinga enjoys travelling, learning about different cultures and hiking. She recently began to foster kittens. 

Samantha Crisologo
M.Ed., BCBA

Samantha Crisologo, M.Ed., BCBA has experience working with children and adolescents with autism in various settings, including home, community, schools, and clinics.  She has experience providing Applied Behavior Analysis as a behavior technician, case manager, behavior supervisor and clinical director for ABA agencies in the Sacramento and San Jose areas.  

While in college, she became a behavior technician (per her brother’s recommendation) and fell in love with ABA.  Upon graduating, she decided to pursue a career and later became a BCBA.  She enjoys using her expertise and skills to teach functional skills to promote independence and generalization.  Her main areas of interest include verbal behavior, social skills, and independent living skills.

In her free time, Samantha enjoys hanging out with her dog, Nala, and her husband.  She also enjoys creating nail art, spending time with her family and friends, and listening to/watching true crime.

Shannon Durand
M.Ed., BCBA

Shannon Durand, M.Ed., BCBA moved to the Bay Area from Central Texas in December 2010 with her husband and three children.  She has worked with children and young adults with autism and other developmental disabilities.

Shannon has worked primarily in the home and school settings, and specializes in working with young children in early intervention.  She also really enjoys teaching functional skills that lead to an individual’s greater independence which include increasing functional communication, using the toilet independently, eating a variety of foods, dressing oneself, etc.

Most recently Shannon has been a preschool teacher in an inclusive ABA-based classroom, and has provided additional supports to those students and families in the program with autism and other delays and disabilities.  She is happiest when working directly with children and their families!

Ashley Lara M.Ed., BCBA (Austin, Tx)

Ashley Lara, M.Ed., BCBA relocated from Austin, TX to the Bay Area in October 2017. Her experience includes case management for children as young as 18 months as well as adults. Ashley began working in the field of ABA after being a respite provider for a young boy with Autism. A special area of interest for Ashley is working with families who are new to ABA and autism, teaching functional strategies that will work in day to day life.

Ashley enjoys hiking, paddleboarding, reading, and cuddling with her dog, Daisy, in her spare time. She continues to mentor graduate students in the field when her schedule allows. 

Andrea McLaughlin, MA, BCBA

Andrea McLaughlin, MA, BCBA, moved to the Bay Area from Chicago, IL, in July 2021 and has had the pleasure of working with children and adults with autism in homes, schools, clinics, and various community environments. She practiced ABA in Wisconsin and Illinois before relocating to California. Most recently, Andrea served as Clinical Director for a clinic providing comprehensive in-home ABA services to children with autism.

 

Andrea is passionate about teaching functional communication to learners of all ages, prioritizing client autonomy and happiness, and providing compassionate, high-quality services. She particularly enjoys providing caregiver education and support to empower caregivers by including them in all therapy goals and creating realistic plans for the whole family.

 

Andrea enjoys hiking, exploring California, and cuddling with her dog, Simon, in her free time.

Sean Blumberg MA,
BCBA

Sean Blumberg, M.A., BCBA is a Bay Area native; he has had the opportunity to work with a wide variety of individuals with disabilities across many different clinical settings. Sean firmly believes that collaboration is the key to success in ABA and works hard to engage parents, family members, teachers, doctors, specialists, and other community stakeholders in treatment planning and intervention.

Sean is also passionate about spreading quality science and devotes a lot of energy to creating educational resources for parents and teachers, conducting clinical research, and mentoring budding clinicians.

Outside of work, Sean really enjoys biking, hiking, cooking, travel, petting every dog, and nature photography.

Ethan Lin
M.Ed., BCBA

Ethan Lin, M.Ed, BCBA is a Bay Area native growing up in Cupertino. He discovered a passion for ABA when he started as a Behavior Therapist in his first job out of college. He has since received his Master’s in Special Education Early Childhood Education from Vanderbilt University and his BCBA certification.

 Ethan has experience working with toddlers, children, and young adults in home, center, and school-based settings. He loves using his skills and expertise to teach children of all ages new and functional skills to reach their highest potential. Besides that, he also loves to work with families of all backgrounds and to provide parent training.

In his free time, Ethan enjoys cooking, being outdoors, and having a good laugh. You can also find him playing sports, video games, and board games with friends and family.

Tasha Jayakoddy
MA, BCBA

Tasha Jayakoddy, MA, BCBA, is a Bay Area native and earned her Bachelor’s degree in psychology from Saint Mary’s College of California. She then received her Masters degree in Special Education with an emphasis in Applied Behavior Analysis from Arizona State University. 

Tasha most recently worked as a clinician at Head Start in San Francisco, where she designed and implemented behavior support plans and goals for children ages 2-5. Tasha collaborated with mental health consultants, case managers, speech and language pathologists, occupational therapists, and teaching staff on providing each client an individualized behavior intervention based on ABA principles, while also incorporating trauma-informed practices into treatment. Simultaneously, she worked at an in-home ABA agency as a program coordinator, working with children on the autism spectrum, ages 3-18.  Tasha’s focus is targeting socially significant behaviors relative to an individual’s environment and emphasizes the importance of a multi-disciplinary approach to behavior intervention. Tasha’s expertise and passions are centered around early intervention, self-regulation, social skills, and independent living skills. She also wants to continue her work of providing quality and equitable behavior intervention services to all and believes everyone deserves access to quality behavior services. 

Besides ABA, Tasha loves to explore the outdoors and travel with friends and family. She also loves to stay active by going on hikes, strength training, and indoor cycling. Tasha also loves to try new food spots all around the Bay Area. You can find her exploring a new food or coffee shop almost every weekend.

Marina Contreras
MA, BCBA

Marina Contreras, MA, BCBA is from Texas and has experience working with children, adolescents, and adults diagnosed with autism and intellectual disabilities.  She first found ABA while coaching an inclusion gymnastics class in Austin, Texas. She fell in love with the science behind teaching young learners to play and interact with their peers.  Her main areas of interest include verbal behavior, social skills, and independent daily living skills. She is passionate about bridging gaps in skill acquisition in a thoughtful way to promote independence and generalization. 

Marina received her Masters in Special Education with Concentration in Applied Behavior Analysis. She lives in Palo Alto with her husband and cat named Oliver Meow. She enjoys yoga, hiking, camping, watching the Texas Longhorns, and reading.

Amreen Panjwani
MA, BCBA

Amreen Panjwani holds her Master’s in Education, with a focus on Special Education, and her BCBA. Amreen moved from Georgia to California in 2014, with hopes to learning more about behavior analysis and expanding her experience. She has experience working directly with people from 18 months into the teenage years in school, in the community, and at homes. Most recently, she has worked at the regional center, working indirectly with adults, group homes, and day programs. 

On her off time, you can find Amreen exploring all of the wonderful outdoor recreational areas found in California, cooking, or reading about behavioral science. 

Chelsea VonDeisenroth MA, BCBA

Chelsea vonDeisenroth, MA, BCBA, grew up in the Bay Area and earned her Bachelor’s degrees in psychology and sociology at the University of Oregon. She then attained her Masters degree in Applied Behavior Analysis at Ball State University. 

Chelsea most recently worked as a clinician at an ABA company in San Jose, where she assessed and treated infants, children, and teenagers that had been diagnosed with various developmental disabilities. She especially enjoys helping her clients improve their independent living capabilities by enhancing their social, communication, and adaptive skills. 

Besides ABA, Chelsea likes spending time with her family and friends. While she doesn’t have any pets of her own, she loves animals and she seizes every opportunity to pet dogs as they pass her on the sidewalk. She also enjoys hiking, exploring, doing yoga, and tending to her plants. 

Ben Ficociello,
M.S.Ed, BCBA

Ben Ficociello, M.S.Ed, BCBA has experience providing applied behavior analysis as a behavior therapist, associate clinician, clinical director and clinical training manager for ABA agencies in the South Bay area as well as in Massachusetts.

Ben has provided ABA services in homes, schools, clinics and community settings for individuals diagnosed with autism ranging between the ages of 18 months to 25 years old. Ben targets socially significant behaviors through observation and assessment tools. After assessment, he applies individualized treatment plans grounded in evidence-based behavior analytic principles to bring about meaningful behavioral changes. Ben enjoys working with families because they are vital to bringing about sustained behavior change outside of treatment settings. Working with families allows Ben to disseminate the science of applied behavior analysis and help his families learn the skills they need to thrive. 

When not at work, Ben enjoys spending time with his girlfriend & family, traveling, and playing/watching basketball (Go Celtics!)

Raees Qadir (Invoice Administrator)

Raees is a lifelong native of San Jose, CA and is currently studying statistics. Raees enjoys spending time with family, travelling, and playing sports with his friends. Raees teaches Middle Eastern History to 9 and 10 year olds and is very active in his religious youth group. Raees also enjoys playing baseball in his free time.

Art Gallery: portraits by our 2020 Behavior clients

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