About Us

The Achievement Center for Therapy is pleased to offer a warm, well-trained staff to help your children learn and grow in a safe, nurturing environment. We offer innovative programs and therapies servicing an extensive variety of conditions, while specializing in Speech-Language Pathology, Occupational Therapy, Pediatric Feeding Disorders, Autism, AAC, traumatic brain injury in California and Nevada. Members of our team regularly lecture nationwide on these topics, as well as special education advocacy, communication disorders, and iOS apps for communication skills. Our staff is dedicated to their craft, and look forward to working with you and your child.

Shawn Manvell


Shawn Manvell, MS, CCC-SLP, founder of the Achievement Center for Therapy, has been at the forefront of the industry for over 20 years, offering patients innovative therapies with a traditional and technological mix of treatments. She is a Pediatric Feeding Specialist, a Speech-Language Pathologist, Orofacial Myofunctional Therapist, and an iOS app developer, creating apps that complement her practice. She graduated with her Bachelor’s Degree in Speech-Language Pathology from SUNY Fredonia and her Master’s degree in Communicative Disorders & Sciences from California State University Northridge.

Shawn has successfully provided services and therapies to infants, children, and adolescents with a variety of conditions and developmental disorders, and is sought after for consultation and public-speaking engagements in a variety of educational, medical, and community settings. She has lectured nationwide and internationally on a variety of topics including Pediatric Feeding Disorders, AAC & Children with Communication Needs, Orofacial Myofunctional Therapy, special education advocacy, and iOS apps for communication skills. She provides training to: Speech-Language Pathologists, university students nationwide, medical doctors and staff, special education teachers, administrators, related service staff, and parents to improve feeding abilities and communication skills in children and adolescents. Her professional interests include Pediatric Feeding Therapy, Autism, Orofacial Myofunctional Therapy, AAC, and traumatic brain injury.

Outside of her private practice, she enjoys raising her daughter, traveling, skiing, riding and showing horses.

ACT- Camarillo, California

Samantha Tan

Lead Speech-Language Pathologist, ACT-CA

Samantha is the Lead Speech-Language Pathologist at ACT – Camarillo. She obtained B.A. and M.S. in Communicative Disorders and Sciences from California State University, Northridge. She completed her clinical fellowship at ACT and attained her certificate of clinical competence through ASHA in December 2018. During her clinician fellowship, Samantha focused on the specialty of pediatric feeding and swallowing under the mentorship of ACT’s founder/owner and pediatric feeding specialist Shawn Manvell. Samantha was born and raised in Southern California and is a Disneyland Annual Pass holder. She spends her free time playing soccer, refereeing youth soccer games and hanging out with her 3 dogs.

Lorie Lozano

Speech-Language Pathology Assistant, ACT-CA
Registered Behavior Technician

Lorie is one of our SPLA’s at our Camarillo clinic . She also is a Registered Behavior Technician and works with the child we serve that are on the Autism spectrum.

Alyssa Manrique

Speech-Language Pathology Assistant, ACT-CA

Alyssa received her B.A. in Communicative Disorders at California State University Northridge. She then attained her SLPA License-Certification with Loma Linda University. Alyssa has experience as a Behavior Interventionist and 3 years experience as a Preschool Lead Teacher. During her free time, Alyssa enjoys spending time with her husband and visiting family. Alyssa loves training at the gym, discovering new eateries, and exploring the beautiful Southern California culture in her Jeep.

Jenifer Halterman

Occupational Therapist, ACT-CA

Jenifer is our Occupational Therapist at the Achievement Center for Therapy, Camarillo.

Toni Szydlowski

Certified Occupational Therapy Assistant, ACT-CA

Toni is one of our Occupational Therapy practitioners at ACT- Camarillo. She works on improving our kiddos’ fine and gross motor skills through fun games and activities in our new OT gym. Toni grew up in Camarillo and loves living in Ventura County. She studied Child Development at Ventura College, and Occupational Therapy at Stanbridge University in Irvine, CA. When she isn’t working, Toni likes to spend her time reading, hiking, or relaxing on the beach.

Hannah Kelley

Certified Occupational Therapy Assistant, ACT-CA

Hannah Kelley is one of our Occupational Therapy practitioners at ACT- Camarillo. As a certified occupational therapy assistant, Hannah helps our kiddos meet their goals and improve the skills needed to live their best lives. Hannah’s adult life has been devoted to caring for children as a nanny. Working with children has always been her passion, which is one of the reasons she was so excited when she began her career in occupational therapy. Hannah earned her degree from St. Catherine’s University. Hannah believes that being creative and making therapy fun is an important part of every child’s therapy experience.  She loves to read and is an avid Harry Potter fan. She enjoys going to theme parks and spending quality time with her husband, friends, and her dog, Gloria.

Hannah Brock

Front Office Support Personnel, ACT-CA

Hannah works as our Front Office Support and maintains our busy schedule at ACT-Camarillo. At any given moment, you can find Hannah at the front desk helping parents, calling insurances, or transitioning kiddos. Hannah got a B.A. in Sociology from UCSB. She is currently pursuing a second bachelor in Communication Disorders, as she hopes to become a Speech-Language Pathologist. In her free time, Hannah likes to relax with friends, play with her two Labrador dogs, or just spend time with her family.

Julia Pegler

Billing Manager, ACT-CA

Julia is our billing manager here at ACT. She received her license in nursing from Professional Medical Careers Institute and is currently continuing her education to bridge from LVN to RN. While she was going to school, she gained years of experience in insurance coordinating and billing in a dental office. In her free time, Julia likes to spend time with friends and family, play with her two dogs, or go skiing.

ACT- Las Vegas, Nevada

Kristi Jenceleski

Office Manager, ACT-NV

As a military mom, Kristi has worked in administrative positions all over the U.S. for over twenty years.  She now resides in Las Vegas and oversees our Nevada office as our Office Manager. At any given moment during the week, you could find Kristi handling insurance and/or scheduling matters. In her free time, Kristi likes to spend time with her three kids, enjoying the warm weather in the mountains or by the pool.  Cheering on the Michigan State Spartans and The Vegas Golden Knights is always at the top of her list of fun things to do.

Taylor Bernardez

Lead Board Certified Behavior Analyst (BCBA), ACT- CA & NV

Taylor Bernardez, M.A. BCBA, Taylor has clinical experience in the treatment and assessment of children with autism disorders. Taylor enjoys using client-centered multi-modal activities to engage clients based on their individual strengths and interests and takes a family-centered approach to educate parents and to encourage carryover in the home.

Tori Tobin

Occupational Therapist, ACT-NV

Tori is our Occupational Therapist at Achievement Center for Therapy, Nevada. She received her undergraduate degree in Occupational Science and her Master’s degree in Occupational Therapy at Saint Louis University. She is also certified in The Alert Program. Tori has clinical and in-home experience working with a wide age range of children with fine motor delays, visual motor delays, motor praxis difficulties, sensory processing difficulties, and self-regulation difficulties. Outside of work, Tori enjoys traveling, rollercoasters, drinking coffee and spending time with her dog.