Irvine Therapy Services

Using sensory integration to help children succeed since 1980

Meet The ITS Team

History of ITS

Irvine Therapy Services was founded in 1980 by Betty Romero, MA, OTR/L, at the suggestion of Dr. A. Jean Ayres, pioneer, researcher and teacher in the field of sensory integration and occupational therapy.  Dr. Ayres saw the need for a pediatric occupational therapy practice that utilized the Ayres Sensory Integration® techniques in Orange County. ITS thereby became the first pediatric occupational therapy clinic to open its doors to the children of Orange County in November 1980 . 

When Betty retired from the practice in 1996, Priya Mohan, MA, OTR/L took over as Director of Irvine Therapy Services. Priya recently retired in August of 2021 and the practice is now run by Aparna Guttery, MA, OTR/L and Jennie Ni, MS, OTR/L, previous ITS employees. Aparna and Jennie have diverse, pediatric experiences and have each been working as occupational therapists for over 20 years, bringing a collective 40 years of knowledge and experience caring for children and their families. 

Current Owners Jennie Ni and Aparna Guttery
Previous Owners Priya Mohan and Betty Romero

Our Amazing Team

Our highly qualified professional staff consists of Licensed and Registered Occupational Therapists with advanced training in sensory integrative evaluation and treatment techniques. We are certified in the administration and interpretation of the Sensory Integration and Praxis Tests (SIPT). Our therapists have extensive background in child development, play, neuroanatomy, neurophysiology, kinesiology, sensory-motor functioning, oral-motor functioning, hand function, handwriting, and psycho-social behavior. We use a holistic approach, and work with families and other professionals to enhance the quality of life and the functional abilities of the children we treat.


Owner / Occupational Therapist

Aparna Guttery MA, OTR/L received a Bachelor of Science degree and a Master of Arts degree in Occupational Therapy from the University of Southern California. She has advanced training and is certified in Sensory Integration through USC/WPS.  For over 20 years, Aparna has worked as a pediatric occupational therapist serving children of all ages with varying diagnoses in the clinic, home, school, and community based settings. She has founded and developed occupational therapy departments for multi-disciplinary centers specializing in the treatment of Autism Spectrum Disorders, as well as creating programming for group based models to support social, play, and motor development.
Aparna has been running her own private practice for the last 10 years before becoming co-owner of ITS. More recently, she has pursued a passion project by  developing a patent-pending Sensory Backpack that incorporates calming sensations to promote self-regulation and provide calming feedback for children to access throughout their day and across environments.


Owner / Occupational therapist

Jennie Ni, MS, OTR/L received a Bachelor of Science in Psychology and Zoology from the University of Wisconsin-Madison and her Master of Science in Occupational Therapy from Tufts University in Boston. She has advanced training in sensory integration through the USC Sensory Integration Certificate Program, her Handwriting Without Tears® Level 1 Certification, as well as training in the Safe and Sound Protocol (SSP) and Integrated Listening Systems (iLs).  Jennie has worked as a pediatric occupational therapist for over 20 years in a variety of settings including the clinic, home, school, and community. 

Before becoming co-owner of ITS, Jennie worked as a school-based occupational therapist for the last 16 years with Newport-Mesa Unified School District. Jennie is proud to have helped create preschool collaborative groups for the Autism Program, and to have received two Grants from The Newport-Mesa Schools Foundation: 1. To address social opportunities and physical exercise for both special education and general education students and 2. To provide general education teachers and staff access to sensory-based materials to assist students with self-regulation and optimal level of arousal for learning. Jennie is excited to continue sharing her knowledge and empowering the community with best practices for sensory integration/sensory processing, growth mindset, and self-regulation.


Occupational Therapist

Melanie Bruss, OTR/L is a registered and licensed occupational therapist with over 20 years of experience in pediatrics. After completing a Bachelor of Social Sciences degree in Psychology and Sociology from the University of Cape Town in 1981, she furthered her education by obtaining a post-graduate Higher Diploma in Education degree from Barkley House College of Education and a post-graduate Honors degree in Psychology from the University of South Africa. Melanie’s long term commitment to working with children and their families is reflected in a range of work experiences including her role as educator and director at the preschool and kindergarten levels for for a period of 5 years. Her long term goal to assist and support families and children with special needs led her to pursue a degree in occupational therapy. Melanie completed a post graduate degree in occupational therapy from Temple University in Philadelphia, Pennsylvania in 1996. Following her graduation, she was employed at Children’s Hospital of Philadelphia where she remained on staff for 4 years. During her time there, Melanie gained extensive experience working in acute care, rehabilitation and outpatient settings with infants, toddlers and children with a wide variety of physical and developmental challenges. Melanie joined the ITS staff in 2000 and is dedicated to facilitating the success of every child with an approach to inspiring confidence in their abilities. In addition to adopting a play-based approach to intervention, she is committed to incorporating parental involvement in the therapeutic process. Melanie is certified to administer and interpret the Sensory Integration and Praxis Tests (SIPT) and is a trained provider of Integrated Listening Systems (iLs). During her free time, Melanie enjoys her time with her family, including her twin children, gardening and painting.


Occupational Therapist

Tamara Mangum, OTR/L is a registered and licensed occupational therapist. She graduated with a Bachelor of Science degree in Child Development from California State University, Fullerton in 1989, and completed a Bachelor of Science degree in Occupational Therapy from the University of Southern California in 1990. Tami has always focused on helping children succeed and achieve their goals at any level of ability. She has worked across all areas of intervention in pediatrics, including neonatal intensive care, pediatric rehabilitation, classroom intervention and clinical outpatient facilities. Tami is certified to administer and interpret the Sensory Integration and Praxis Test (SIPT) and has been with Irvine Therapy Services, Inc. since 2001. In her free time, she enjoys beach volleyball, homeschooling and travel.


Occupational Therapist

Jennifer Pon, MA, OTR/L is a registered and licensed occupational therapist. She has always had an interest in working with children, and began volunteering with children’s ministries at her church from an early age. She graduated with a Bachelor of Arts degree in Psychology and Social Behavior from the University of California, Irvine in 2005. While completing her degree at UCI, she became interested in working with children with special needs and loved the holistic approach and the blending of multiple disciplines within the occupational therapy profession. She completed her Master of Arts degree in Occupational Therapy at the University of Southern California in 2008 and joined the Irvine Therapy Services, Inc. staff later that year. In clinical practice, Jennifer incorporates using sensory-motor, developmental, and sensory integration techniques to support the development of gross and fine motor skills, facilitate play skills, and promote independence with activities of daily living. She is committed to helping the children at ITS reach their full potential. Jennifer is certified to administer and interpret the Sensory Integration and Praxis Tests (SIPT) and is a trained provider of Integrated Listening Systems (iLs). She is also familiar with the Handwriting Without Tears (HWT) curriculum. During her free time, Jennifer enjoys reading, crafting, spending time outdoors, and cheering for her favorite Los Angeles sports teams.


Occupational Therapist

Teresa Cao, MS, OTR/L is a registered and licensed occupational therapist. She graduated with a Bachelor of Science in Psychobiology and a minor in Applied Developmental Psychology from the University of California, Los Angeles in 2016. While working as a peer counselor at UCLA, she discovered occupational therapy and realized it was the perfect mix of the arts and sciences for her. Teresa loved how occupational therapy revolves around adapting treatment toward one’s background and motivation in enjoyable, activity-based interventions. She completed her Master of Science degree in Occupational Therapy at California State University, Dominguez Hills in 2020. Teresa has always loved working with children, and has experience in settings including church youth group, summer camps, an infant development program, day treatment programs, behavior therapy, and schools. At ITS, she hopes to empower children and their families with the belief that all steps, no matter how big or small, will lead to great strides. In her free time, Teresa enjoys bullet journaling, reading, working out, meditating, and finding new adventure spots.


Office Manager

Benji joined the Irvine Therapy Services, Inc. office staff in 2001. As a member of the ITS team, she provides the essential behind-the-scenes support required to keep ITS running smoothly.


Occupational Therapist

Marissa Bautista, MOT, OTR/L is a registered and licensed occupational therapist. She graduated with a Bachelor of Science in Kinesiology and a minor in Child Development from University of La Verne in 2017. Marissa has always had a passion working with children and families and through volunteer work she discovered occupational therapy, Marissa finds the scope of occupational therapy to be so rewarding as it provides client-centered services to enhance an individual’s everyday living. She completed her Master’s of Occupational Therapy at Loma Linda University in 2021 and has since joined the Irvine Therapy Services team. At ITS,  Marissa hopes to provide children with a “just right” challenge to create meaningful and successful experiences to enhance their skillsets. During her free time, Marissa enjoys reading, spending time with friends and family, and attending live concerts. 


Our 4200 Square Foot Facility

Is your child having difficulty with behavior meeting developmental milestones ?

Ready to Get Started

Schedule a free consultation to see how we can help


We are happy to answer your questions