About Us

Sara Munsterman, M.S., CCC-SLP


Co-Founder and Speech-Language Pathologist

Sara Munsterman, M.S. CCC-SLP is a Speech-Language Pathologist who has always been passionate about working with children. She received her Bachelor of Arts in Communication Disorders from Baylor University and her Master of Science in Communication Sciences and Disorders from the University of Texas at Dallas. While attending graduate school, Sara worked as an in-home therapist for children with Autism using Applied Behavioral Analysis therapy. Sara has worked in a variety of settings such as private practice, the public schools, and in-home early intervention therapy. She has evaluated and treated children with developmental disabilities, Autism, Asperger’s Syndrome, Articulation Disorders, Phonological Impairments, Fluency Disorders, and Receptive/Expressive Language Delays. Sara is a member of the American Speech-Language Hearing Association and holds a Certificate of Clinical Competence and a Speech-Language Pathology Services Credential. She is also a member of the San Diego Chapter of the Autism Society of America. Sara enjoys working with children with Autism Spectrum Disorders. In her desire to develop her skills, Sara has attended seminars by speakers including Michelle Garcia Winner, Temple Grandin, Emily Rubin, and Brenda Smith-Myles. Sara has also attended continuing education courses in PECS and Floortime. Sara believes in developing a positive rapport with each child and his/her family and creating an individualized plan of therapy to help achieve improved communication skills.

Erica A. Lawson, M.A., CCC-SLP

54785681524__9C6395A5-D789-4D13-ABC8-4AE2B4913EB6Co-Founder and Speech-Language Pathologist

Erica Lawson, M.A., CCC-SLP, obtained her Bachelor of Science degree in Speech and Hearing Sciences at the University of Arizona and a Master of Arts degree in Communicative Disorders at San Diego State University. From a young age, Erica knew working with children was her passion. Throughout her undergraduate and graduate programs, Erica worked with children with Autism as an in-home therapist and in the public schools using techniques such as Applied Behavioral Analysis and Floortime. Erica has completed comprehensive speech and language evaluations and treated children from infancy through adolescence with a wide variety of speech and language disorders including Apraxia, Autism, Asperger‘s Syndrome, developmental disabilities, Articulation and Phonological disorders, Fluency Disorders, and Expressive and Receptive language disorders. Erica has also had the opportunity to provide language facilitation training to parents of young children with speech and language delays. She has worked in many settings including private practice, public schools, in homes, and in a social-language classroom as a co-teacher. Erica also completes Independent Educational Evaluations. Erica is a member of the American Speech-Language Hearing Association and holds a Certificate of Clinical Competence and a clinical rehabilitative credential. Erica has completed a variety of continuing education courses to further her education including SOS Approach to Feeding, Talk Tools Basic Training, PROMPT, PECS, and Hanen’s “It Takes Two to Talk” and “More than Words.”  Erica is dedicated to each family she works with and strives to help each child achieve new milestones by using a holistic approach to therapy.

Catherine Miller, M.A., CCC-SLP

Speech Language Pathologist

Catherine received her Bachelor of Arts and Master of Arts degree at San Diego State University.  She is a member of the American Speech-Language Hearing Association.  She is also a member of the California Speech-Language Hearing Association, and is a past award winner of that organization.  Catherine has extensive experience assessing preschool-aged children who have a variety of communication impairments.  She has worked closely with occupational therapists, teachers, and ABA service providers to implement school-based programs for children with autism.  Catherine has also worked with children with a variety of communication challenges.  She incorporates AAC (augmentative and alternative communication) methods as a positive behavioral support and to improve language comprehension and expression for individuals with various communication needs.

Catherine has a special interest in working with children on the autism spectrum and believes strongly in a social developmental approach to therapy.  She teaches families ways to facilitate communication throughout the day.  Catherine has specialized training in the Integrated Play Groups Model, a researched-based program in which peers are trained as play partners to facilitate social communication and play skills in children with ASD.  She has also completed courses and trainings in the SCERTS model, Carol Westby’s Play/Language seminars, and Michelle Garcia Winner’s Social Thinking programs.

Catherine’s interest in autism extends to the community, where she serves on the Board of a local non-profit organization, Include Autism, which provides skill based training and community inclusion experiences for individuals with ASD.

Leigh Manalo, M.S., CCC-SLP 

IMG_0682Speech-Language Pathologist

Leigh received her Bachelor of Arts in Speech, Language, and Hearing Sciences from San Diego State University. She obtained her Master of Science in Speech-Language Pathology from Seton Hall University in New Jersey. Leigh has gained experience in working with individuals across the lifespan in the school and in private practice settings. She has worked with children and young adults with Autism Spectrum Disorder, developmental disabilities, Expressive/Receptive language delays, learning disabilities, and Articulation/Phonological Disorders. She is dedicated to maximizing the learning and development of each child through individualized approaches with the help of their family members.

valerieValerie Luby, M.S., CCC-SLP

Speech-Language Pathologist

Valerie received her Bachelor of Arts from Montclair State University in New Jersey, where she majored in Psychology and minored in Linguistics. She obtained her Master of Science in Communication Disorders from William Paterson University in New Jersey. Valerie has always been passionate about working with children and their families. Prior to attending graduate school, Valerie worked as a behavioral therapist using Applied Behavioral Analysis therapy at a non-profit organization for children with Autism Spectrum Disorder. She has experience working with children and adolescents with a variety of disorders including Expressive/Receptive language disorders, Articulation/Phonological disorders, Childhood Apraxia of Speech, and Autism Spectrum Disorder. She is dedicated to working with children and their families to help achieve their communication goals.

KellyPennyKelly Penny, M.A., CCC-SLP

Speech-Language Pathologist

Kelly double-majored in Spanish Linguistics and Hearing & Speech Sciences before obtaining her Master of Arts degree at the University of Maryland, College Park. She comes from a diverse background working in school, home, and clinic settings throughout Maryland, DC, and Latin America.Kelly regularly attends continuing education workshops and seminars and has been formally trained in PROMPT (Prompts for Restructuring Oral Muscular Phonetic Targets) and Social Thinking. She has experience evaluating and treating children of all ages with a wide range of speech ad language diagnoses. Kelly values and enjoys working with bilingual children and families and specializes in providing therapy in both English and Spanish. She believes strongly in collaborating with families to craft therapy plans that are fun, functional, and address the needs of the whole child.


Lanni Reisinger, M.Ed., CCC-SLP

Speech-Language Pathologist

Lanni obtained her Bachelor of Arts from McDaniel College in Maryland, where she minored in Psychology and Deaf Studies and designed her own major: Development and Understanding of Language and the Mind. She received her Master of Education in Communication Disorders from University of Virginia. She has experience working in private pediatric practice, gaining an array of experience with varying ages and diagnoses including developmental disabilities, Articulation/Phonological Disorders, Autism Spectrum Disorder, Fluency Disorders, Receptive/Expressive Language Delays, Childhood Apraxia of Speech and hearing loss. Lanni is a member of the American Speech-Language Hearing Association and holds a Certificate of Clinical Competence. She has attended the 2015 and 2016 American Speech-Language Hearing Association Conventions as well as continuing education courses focusing on a variety of topics, such as feeding and fluency. Lanni strives to work with each individual child and family to improve the child’s communication skills and meet their true potential.

Kristin Rottino, M.S. CCC-SLP

IMG_2177Speech-Language Pathologist

Kristin obtained her Bachelor of Arts degree in English Literature from the University of California, Los Angeles. She received her Bachelor of Science degree in Communication Disorders from Utah State University. During this time, she helped children with developmental delays at a private speech and language clinic in the early intervention and social language groups. While supporting patients with mild to severe behavioral tendencies, Kristin acted as a Behavior Interventionist using Applied Behavior Analysis methods. After graduating, Kristin moved to Springfield, Missouri where she completed her Master of Science degree in Communication Disorders at Missouri State University. Kristin began her professional career as a Speech-Language Pathologist in an elementary school setting. She has experience evaluating and treating individuals with a wide range of communication impairments. Kristin believes that caregivers and family members, working together, are a powerful partnership to help children to reach their maximum potential!

Madeline Jackson, M.S., CF

Speech-Language Pathologist

Madeline received her Bachelor of Arts in Communication Studies from the University of Georgia. She obtained her Master of Science in Communication Sciences and Disorders from Georgia State University. She has experience working with the pediatric population in clinic, school, and hospital settings. Madeline has provided diagnostic and intervention services to infants, children, and adolescents, ranging in age from birth to 21 who were experiencing feeding, swallowing, cognitive, language, and speech disorders with a special interest in providing feeding therapy. Through these experiences, she has developed a passion for speech language pathology and a desire to grow professionally in pediatric settings. She believes in approaching each child she works with individually to best serve their unique needs. Madeline strives to make therapy fun and functional to keep kids engaged during sessions while promoting carryover outside of the clinic setting and into their daily lives. Madeline has grown a passion for working collaboratively with clients, their families or caregivers, and other professional team members to achieve optimal outcomes for the individuals she serves.


Liz Stratton, M.A., CCC-SLP


Speech-Language Pathologist

Liz received her Bachelor of Arts in Speech and Hearing Sciences in 2013 from Washington State University. Upon graduation, she began working as a Speech-Language Pathologist Assistant in the school setting in Vancouver, WA. Here she worked with various disabilities and communication disorders ranging from Articulation/Phonological Disorders and Fluency Disorders to Autism Spectrum Disorder and Expressive/Receptive Language Disorders. In 2017, she obtained her Master of Science degree in Speech-Language Pathology from Pacific University in Forest Grove, Oregon. While in graduate school, Liz gained invaluable experiences working with a wide range of ages and disabilities. Through these experiences, Liz became passionate about working with children who use Augmentative and Alternative Communication (AAC) and she was set on continuing her experiences and education in the area of AAC. After graduation, Liz moved to San Diego, CA with her husband to begin her professional career as a Speech-Language Pathologist in an elementary school setting. She gained valuable experiences evaluating and treating individuals with significant communication disorders secondary to moderate-severe disabilities such as Autism Spectrum Disorder, Cerebral Palsy, Down Syndrome, Intellectual Disabilities, and multiple disabilities. Liz believes in working closely with her client’s families to make speech therapy not only fun and functional for the child, but to promote growth and improvement in the child’s communication skills outside of the therapy room.

Lorraine Fonseca


Office Manager 

Lorraine is responsible for the day-to-day operation and clerical management of Speech Tree Therapy Center.  She is responsible for contacting various health insurances, designing and creating visuals for clients, and general organization of both offices.  Lorraine also has experience working for a law firm where she completes a variety of organizational tasks and assists with public relations.  Lorraine received her A.S., Health Science and Respiratory Therapy and also has a certification in Medical Coding and Billing.

Melissa Mejia


Front Office, Chula Vista

Melissa joined our team in November 2016.  She is responsible for keeping us organized in our Eastlake office!  Melissa completes a variety of organizational tasks, assists in rescheduling clients, and contacts doctor offices for insurance information.  Melissa has experience in working in medical offices and is a wonderful addition to our team.


Valerie Tapia

Front Office, Chula Vista

Valerie joined our team in September 2018 and works in our Chula Vista office. She has completed a program for Medical Administrative Assistant and will be responsible for keeping us organized by completing a variety of organizational tasks, assists in billing, and contacts insurance companies for resubmissions.  Valerie has experience in working in customer service and is extremely motivated to help our families. We are so happy to have her as part of our team.