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

Founder

Shawn Manvell, MS, CCC-SLP, founder of the Achievement Center for Therapy, has been at the forefront of the industry for over 15 years, offering patients innovative therapies with a traditional and technological mix of treatments. She is a Pediatric Feeding Specialist, a Speech-Language Pathologist, 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, special education advocacy, and iOS apps for communication skills. She provides training to 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, AAC, processing disorders, and traumatic brain injury.

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


ACT- Camarillo, California


Lindsay Detring

General Manager & Speech Therapy Aide, ACT-CA & NV

Lindsay serves as our General Manager and a Speech Therapy Aide.  She received her undergraduate degree from West Chester University in Communication Science and Disorders in 2005.  She is currently taking classes and applying to graduate schools to become a Speech-Language Pathologist. Lindsay enjoys spending time with her husband and three-year-old daughter.  They love traveling, hiking, going to the beach, and relaxing at home together.


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.


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.


Brittnee Jimenez

Speech-Language Pathology Assistant, ACT-CA

Brittnee is a Certified Speech and Language Pathology Assistant at ACT- Camarillo. She attained her undergraduate degree and certification as an SLPA from California State University, Northridge. After receiving her B.A., she became certified as a Behavioral Interventionist for the Hermosa Beach School District and has worked as a nanny to children with special needs for over six years. On any given weekend, you can find her at the park with her two dogs or in the South Bay spending time with her family and friends.


Kathryn Moulton

Speech-Language Pathology Assistant, ACT-CA

Kathryn is a graduate student from California State University, Northridge, working in our ACT-Camarillo clinic as one of our SPLA’s. She earned her undergraduate degree at California State University, Sacramento. For three and a half years, she worked as a Speech-Language Pathologist Assistant specializing in the pediatric population. When not at school, Kathryn spends her time at home in Sacramento helping her family mentor children with special needs. Kathryn has volunteered at Grizzly Bear Camp for the Deaf and Blind. She enjoys spending time with her nieces and nephews and going on long walks with friends.  


Frances Veneracion

Occupational Therapist, ACT-CA

Frances is our Occupational Therapist at the Achievement Center for Therapy, Camarillo. She received her undergraduate degree from UC Irvine in Social Ecology and went on to receive her Master’s degree in Occupational Therapy at Loma Linda University. She loves spending time with her husband and three-year-old son. Together they enjoy reading, cooking, being outdoors, playing sports, going to the beach, and watching movies on Fun Fridays!


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.


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.


Emily Marshall Crabbe

Lead Speech-Language Pathologist, ACT-NV

Emily Crabbe, M.S. CCC-SLP, received her Bachelor of Fine Arts degree, in Dance, from the University of the Arts in Philadelphia, PA; and received her Master of Science degree in Communicative Disorders and Sciences, Speech and Language Pathology, from California State University, Northridge, CA.  Emily has clinical experience in the treatment and diagnosis of children and adults with speech and language delays or disorders. Emily 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.