Meet Our Team

Occupational Therapists

Avital Shuster

Clinical Director

Avital is the founder and clinical director of Tumble N’ Dots.

Avital is the founder and clinical director of Tumble N’ Dots. Shortly after graduating from the University of Southern California (USC) with a Bachelors and Masters degrees in Occupational Therapy, she began her work as a Pediatric Occupational Therapist at Irvine Unified School District. Avital has received post-professional training in Ayres Sensory Integration® through the Collaboration for Leadership in Ayres Sensory Integration (CLASI) and is qualified to administer the Sensory Integration and Praxis Test (SIPT).   Having completed post-graduate education and training in SOS Feeding Therapy, Avital has been working with children since 2008 and has experience serving children with a variety of diagnosis in the clinic, home, school, telehealth, and community-based settings. Avital believes in helping parents to focus on the strength and abilities of each child while incorporating behavior plans and strategies to foster success. Avital is also the creator of OTPlan – an activity idea search engine for developmental activities. Avital brings her love for children, understanding of parents struggling with a special needs child, and years of therapy experience to every session. In her free time, Avital enjoys spending time with her husband, 3 young children, and her dogs, going to the beach, hiking, and traveling.

Dr. Angeline Yee

Lead Occupational Therapist

Angeline is a pediatric occupational therapist who received her Bachelor’s, Master’s, and Doctorate in Occupational Therapy from the University of Southern California (USC). She completed her doctoral residency specializing in group programs for young children targeting self-regulation, mindfulness, and social-emotional skills at a private pediatric OT practice. 

Angeline has extensive experience providing therapy in both individual and group formats, targeting the areas of fine and gross motor development, sensory processing, self-regulation, and executive functioning. She has completed advanced training in Handwriting without Tears, the USC Chan Sensory Integration Continuing Education Certification program, and Social Thinking. Angeline values collaboration with all individuals who are a part of a child’s life, including caregivers, teachers, and other therapy professionals. She is passionate about providing family-centered care to promote a child’s participation in any of their occupations – including play, learning, and social interactions. 

In her free time, Angeline enjoys quality time with family, friends, and her pups, going to Disneyland, and yoga!  

Darcy Stevens

Lead Occupational Therapist

Darcy is a pediatric occupational therapist that specializes in feeding and swallowing. She earned her master’s degree in occupational therapy from Dominguez Hills in 2011. She enjoys working with parents to help children progress within a variety of diagnoses.

The majority of Darcy’s career has been at Providence Speech and Hearing Center in Orange County which was an affiliation with CHOC hospital. She loves to work with a diverse population but focuses on newborns through early teens as a developmental pediatric occupational therapist with an emphasis of treating the whole child. She is passionate about helping her clients and especially enjoys educating families on how to facilitate their child’s progress. Additionally, her goal is to increase a patient’s ability to participate in meaningful daily activities. Darcy’s feeding specialization includes a complex array of feeding diagnosis including, but not limited to difficulties with the bottle, cleft palate, picky/selective eating, sensory and oral motor challenges, and transitioning from a G-tube.

Darcy is a native of California who lives with her husband and 4-year-old daughter. In their free time they enjoy sunny days at the beach, going to their cabin in Yosemite, and playing games as a family.

Lichelle Fernando

Pediatric Occupational Therapist / Feeding Therapist

Lichelle is a pediatric occupational therapist and feeding and swallowing specialist.  She received her undergraduate degree in Biological Sciences in Canada before moving to Wisconsin where she received a Masters degree in Occupational therapy.  She has over 15 years of extensive experience working with a variety of diagnoses with the pediatric population.

The majority of Lichelle’s career has been at the Children’s Hospital in Los Angeles and Children’s Memorial Hospital in Chicago focusing on the complex medical needs of patients ranging in age from high risk neonates to young adults.  Lichelle’s specializations include developmental therapy, picky/selective eating, bottle feeding, transitioning to solid foods, and sensory and oral motor feeding challenges while looking at the whole child’s sensory, developmental and environmental needs.  Lichelle counsels families in providing strategies to foster positive mealtimes at home.

Lichelle has a passion to work with families closely to help their day run more smoothly.  She takes on a “holistic” approach looking at all areas that may impact a child’s ability to eat and carry on daily skills successfully.

Additionally, Lichelle has experience working in brachial plexus clinic, hand clinic, and specializes in splinting and providing hand therapy for a variety of upper extremity diagnoses in the pediatric population.

Lichelle has presented at OTAC, AOTA, and APTA national and regional conferences providing evaluation and treatment strategies for the pediatric population with feeding/dysphagia issues.

Lichelle is a native Canadian who successfully worked her way down to warm, sunny California where she loves to try new restaurants, attempt new recipes, entertain friends and family, and do anything fun that is active or inactive with her husband, two kids, and dog Bailey. 

Dr. Phoebe Yam

Pediatric Occupational Therapist / Human-Animal Interaction Specialist

Phoebe has been working with the pediatric population since 2012. She began volunteering to teach karate to children with special needs and then worked as a Developmental Specialist using DIR/Floortime. Phoebe graduated from the University of Southern California (USC) with her Masters in Occupational Therapy in 2018 and her Doctorate in Occupational Therapy in 2019. She completed her doctoral residency to pursue competency in animal-assisted occupational therapy and training dogs for animal assisted interventions. In 2023, Phoebe earned her Certificate as a Human-Animal Interaction Specialist from the University of North Florida’s Animal-Assisted Interventions and Interactions Certificate Program. She follows the Animal Assisted Intervention International Standards & Competencies to practice animal assisted therapy.

Phoebe enjoys learning about each child’s motivations and uses a strengths-based approach to highlight each individual’s inherent abilities and interests to improve areas of need.

Phoebe is a proponent of lifelong learning and presents at local, state, and national conferences. Topics are related to standards of practice and competencies to strengthen the skills of healthcare and human service providers when participating in occupational therapy and animal assisted interventions.

In her free time, Phoebe enjoys eating, reading, baking, rock climbing, taking dog training classes, and going to the dog beach with her dog, Summer.

Christina Restrepo

Pediatric Occupational Therapist / Feeding Therapist

Christina is an energetic and driven occupational therapist dedicated to bringing the best care for her clients and family. She received her Bachelor of Science degree in Health Science from Cal State Fullerton while simultaneously playing Division 1 soccer for the Titans. Her passion for child development started from coaching youth soccer and being a teacher’s assistant at an early childhood development center after undergrad. She earned her Master of Science in Occupational Therapy degree from A.T. Still University of Health Sciences in 2016.

She has been working in pediatric private practice clinics ever since graduation with children with a variety of diagnoses. Christina particularly enjoys meeting children and their families where they are at and providing them with the skills and tools necessary to meet their full potential. Christina also has experience with developing and implementing a soccer-based program for youth with varying abilities.

She has completed post-graduate training and certification with sensory integration, Interactive Metronome, Therapeutic Listening, Sequential Oral Sensory Approach to Feeding, picky feeders, and primitive reflexes.

Christina is a Southern California native who enjoys being outdoors walking her two dogs Bane and Jafar, hiking, playing soccer, or traveling with her husband.

Katherine Chen

Pediatric Occupational Therapist / Feeding Therapist

Katherine graduated from California State University, Fullerton with a Bachelor’s of Science in Early Childhood Education, focused in Family and Community Settings. She received her Master’s of Science in Occupational Therapy from Stanbridge University in 2019. She is a pediatric occupational therapist who specializes in sensory integration, self-regulation, feeding, dressing, oral motor skills, fine motor skills, and early intervention in the home. Katherine has extensive experience analyzing the movements and behaviors of children from the ages of 0-3 in the family home context and adapting and providing home program recommendations that suit family routines and cultures. She strongly believes in the collaboration of the community in the development of children and especially in supporting parental needs. Katherine believes that when the parent feels supported and prioritized, the child’s participation are positively impacted. In her free time, Katherine enjoys long talks with friends and family, baking, going on hikes and walks with her dogs, and reading.

Adrienne Huff

Certified Occupational Therapy Assistant

Adrienne is a certified occupational therapy assistant. She graduated with her bachelor’s degree in Psychology from Grand Canyon University in 2021. She also completed an OTA program from Santa Ana College in 2022. She has always had a passion for working with kids. She became a nanny for different families at the age of 15. While she completed her clinical hours, she spent her time providing support for the OTs, and developing and implementing intervention plans for pediatric clients. Adrienne was born and raised in Orange County. She enjoys spending time with her friends, traveling, watching sunsets, playing board games, vacationing in Michigan, and taking care of her dog, Lila.

Sharon Sin

Pediatric Occupational Therapist

Sharon is a pediatric occupational therapist who received her Bachelor’s in Social Sciences with an emphasis in Psychology in 2016, and Master’s in Occupational Therapy in 2019, both at the University of Southern California (USC).

Sharon has been working in pediatrics since completing school, specializing in the areas of fine motor, feeding, oral motor, and sensory processing skills. She has experience working in early intervention, providing services to children ages 0-3 years within the home setting and at outpatient clinics, working with children under 13 years. She previously ran a life skills group for teenagers and young adults with special needs to address areas including executive functioning, social skills, and fine motor skills necessary for greater independence in their home lives.

Sharon was motivated to pursue occupational therapy by her desire to help children and families in a meaningful, holistic way. She values understanding children through the lens of their strengths, interests, family context, and history to inform treatment that involves the entire family. Knowing that therapy occupies a small portion of a child’s time, she believes that collaboration and education are an essential element of providing effective care.

Sharon is a southern California native and in her free time, she enjoys taking walks outside, eating, traveling, reading, and spending quality time with her friends, family, husband and their tortoiseshell cat, Hazel.

Aly Moothart

Pediatric Occupational Therapist

Aly is an occupational therapist with a heart full of compassion who has dedicated the past seven years to helping individuals of all ages and backgrounds live fulfilling lives. Raised in Southern California Aly always had a natural inclination towards helping others. This innate desire led her to pursue a degree in Occupational Therapy starting from earning her occupational therapy assistant certification from Stanbridge University, earning a Bachelor of Science degree in healthcare coordination from Arizona State University, to earning a master’s in occupational therapy from the University of St. Augustine for Health Sciences. Her educational and work experiences have helped her hone skills and knowledge in the field of occupational therapy and further gain a deep passion for making a difference in the world. Over the years, Aly has worked in a variety of settings, including hospitals, schools, preschools, clinics, and community centers, gaining a wealth of experience and expertise along the way. She has always been at the forefront of implementing new techniques and technologies to enhance the quality of care provided to her patients. At the core of Aly’s approach to occupational therapy is the belief that every individual has the potential to lead a meaningful and fulfilling life, regardless of their abilities. She strives to empower her patients to discover their strengths, develop their skills, and facilitate independence in their daily activities. In her free time, Aly enjoys spending time with her friends and family, camping, standup paddleboarding, snowboarding and playing with her two dogs, Clifford and Astra.

Speech Language Pathologists

Christina Johnson

Director of Speech Pathology, CCC-SLP

Christina Johnson has been a licensed and ASHA certified speech-language pathologist for over 24 years. She has been serving a largely pediatric clientele in her own private practice for the last 2 decades. Christina is a mother of 3 kids and is an avid runner and cyclist. Christina earned her Master’s Degree in Communicative Disorders from California State University, Fullerton in l997. She also holds a BA in Communicative Disorders from CSUF and BA in Social Ecology from UCI. She is credentialed with a Clinical Rehabilitative teaching certificate in the state of California. Christina has worked in a multitude of settings, such as acute hospitals, skilled nursing facilities, public schools, early intervention agencies and private practice. Her professional experience includes the assessment and treatment of children and young adults presenting with a variety of communicative disorders, including autism spectrum disorder, language processing disorder, phonological/articulation disorders, fluency disorder, childhood apraxia of speech, myofunctional/tongue thrust. Christina’s clinical vision is to provide a family centered approach to therapy through evidenced based intervention for her clients, and education for caregivers to ensure the successful achievement of goals. In her free time she also enjoys water sports and traveling with her family. ASHA Certified Speech-Language Pathologist
Stacie Bateman - SLP

Stacie Bateman

Speech Language Pathologist, CCC-SLP

Stacie has been an ASHA-certified, licensed speech-language pathologist for over 22 years. She received her Master of Arts in Speech-Language Pathology and Audiology from California State University, Chico in 2000. Stacie is certified in Vital Stim swallowing therapy and has also received training in the Social Thinking program. Most recently, Stacie completed the USC Sensory Integration Continuing Education Certificate Program and plans to continue her education in this area. Stacie is a NLA (Natural Language Acquisition) trained clinician.

Stacie is an energetic, compassionate, and enthusiastic therapist with clinical experience in a wide variety of settings, including hospitals, early intervention programs, independent contracting in-home, and both outpatient and private clinics. Her experience with clients from birth through young adulthood has given her a comprehensive perspective on the multifaceted and multidimensional process of childhood development.

Stacie’s professional experience includes evaluating and treating children with feeding/swallowing disorders and communicative disorders such as apraxia of speech, articulation disorders, fluency disorder, language processing disorder, receptive and expressive language delay, and pragmatic disorder. She is passionate about working with neurodivergent children and providing “just right challenges” to set them up for success in their communication skills. Stacie believes in building strong relationships with children and their families. Building these relationships allows Stacie to create meaningful, practical, and engaging therapy based on the child’s interests and strengths.

In her free time, Stacie loves spending time with her husband and three kids. Her favorite travel destinations are Hawaii, Central California, New York, and Italy. An interesting fact about Stacie is she and her family have 5 pets, including “Gracie” the Golden Retriever, “Mitts” the tabby cat, “Spotty” the Leopard Gecko, “Kiwi” the Green Conure and Clown Fish, “Oreo” and “McFlurry.”

ASHA Certified Speech-Language Pathologist
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Igal S.

Chief Operating Officer

Igal is the co-founder and Chief Operating Officer at Tumble N’ Dots.

Igal is a published children’s book author. He earned his Master’s degree in Computer Science from the University of Southern California (USC).

Since 2001, he worked as a consultant for  many pediatric therapy clinics across the east and west coasts to help with their daily operations and growth.

In his free time, Igal enjoys trail running, mountain biking, playing the drums, and spending quality time with his family.

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Ella S.

Office Assistant

Ella has been assisting at our office since 2020 during her free time, while attending school. She plans to become an Occupational Therapist and is gaining a lot of experience at Tumble N’ Dots in preparation for OT school. 

Ella is an avid runner and completed her first full marathon when she was 12 years old. 

Ella enjoys going to the beach and spending time with her friends and pets.

Canine Co-Therapists


Canine Co-therapist

Summer is an Australian Cattle Dog mix who has been in training with Phoebe since 2019 to work in animal assisted therapy sessions. She began her career in an outpatient occupational therapy clinic and dog training facility. She was trained and handled using positive reinforcement, reward-based, and relationship-based methods. She has participated in two in-person practicums and served as a demonstration dog for animal assisted therapy. Summer has experience working with several populations including children, adolescents, and adults with varying abilities.

Summer has her Canine Good Citizen, Community Canine, and Urban Canine titles from the American Kennel Club. They enjoy taking agility, musical freestyle, and rally competition classes.

Phoebe and Summer are evaluated as an AAI human-animal team yearly for animal assisted occupational therapy and have been deemed a good fit by objective evaluators skilled in occupational therapy, animal assisted therapy, and dog training.

In her free time, Summer enjoys cuddling, sunbathing, playing with her best friend, Toast the pug, and going the dog beach.