Petaluma

Team

Lori Walker

M.A., CCC- SLP (she/her/hers)

Lori Walker received her Baccalaureate and Master of Arts degree from California State University, Fresno and has been providing speech and language services for over 20 years in a variety of settings, including private practice, schools, acute care, and skilled nursing. While she holds mostly an administrative role these days as the director and owner of the practice, Lori continues to assess and provide personalized treatment plans for adult and pediatric clients with a variety of communication challenges. Lori holds a credential as a speech and language specialist, is licensed by the state of California, and is certified by the American Speech Language Hearing Association as a speech language pathologist. When not at the office, she is busy with her husband and two boys, playing Legos, reading, and going on adventures.

Katie baumbach

M.S., CCC-SLP (she/her/hers)

Katie Baumbach earned her Bachelor of Science degree in Speech Pathology in 2009 and Master of Science degree in Speech Pathology in 2011 from California State University, Sacramento. Katie is licensed by the state of California and is certified by the American Speech Language Hearing Association (ASHA). She has attended training courses in the SCERTS Model, the AAC approach: Language Acquisition through Motor Planning (LAMP), Kaufman Speech to Language Protocol, Zones of Regulation, sensory processing disorders, PROMPT Level 2 training, and is certified in The Hanen Program, It Takes Two to Talk. Katie has experience working with individuals of all ages addressing the following areas of communication: receptive, expressive, and social pragmatic language, articulation and phonological disorders, apraxia of speech, fluency, voice disorders, Augmentative Alternative Communication (AAC) and providing relationship-based therapy for neurodiverse individuals. In addition, Katie has experience with the adult population in the following areas: dysphagia, speech and language disorders, aphasia, dysarthria, cognitive-linguistic impairments, and voice disorders. Katie is passionate about supporting her clients and their families with their functional communication goals and providing relationship-based, intrinsically rewarding therapy.

Nicolette langer

M.A., CCC-SLP (she/her/hers)

Nicolette Langer received her Bachelor of Arts in Organizational Communication from Pepperdine University, graduating Magna Cum Laude in 2011. She received her Masters of Arts in Speech Language Pathology from University of Colorado in 2019. Nicolette is certified by the American Speech Language Hearing Association (ASHA) as a speech language pathologist. She has experience across multiple settings, including outpatient, inpatient, telehealth, early intervention, and private practice. Her particular interests are in aural (re)habilitation and feeding therapy. Nicolette recently returned to California with her husband and children to be closer to family.

amy berry

M.S., CCC-SLP(she/her/hers)

Amy Berry began her career as a speech-language pathologist in 2005. She is licensed in Speech-Language Pathology by the state of California and is certified by the American Speech-Language-Hearing Association (ASHA). Amy is a generalist and has experience diagnosing and treating pediatric clients with a variety of communication needs, including speech and language language delays, receptive/expressive language disorders, articulation/phonological disorders, childhood apraxia of speech, auditory processing difficulties, autism spectrum disorder, social communication disorder, stuttering, and dyslexia. Amy enjoys individualized care and supportive relationships with her clients and families, making private practice her preferred setting. Amy earned her Bachelor of Arts degree in Speech and Hearing Science from the George Washington University, where she was a Presidential Scholarship recipient, graduated Cum Laude, and sang a cappella with the GW Pitches. Amy received her Master of Science degree in Speech and Hearing Sciences from the University of Arizona, where she was a graduate tuition award recipient. Outside of the clinic, Amy is an avid music fan who also enjoys hiking, baking, and singing in various Bay Area music projects.

LORENA PEREDA

M.S., CF-SLP (she/her/hers)

Lorena Pereda was born and raised in San Jose, California. She earned her Bachelor's degree in Communication Sciences and Disorders from California State University, Sacramento (Stingers up!) in 2019. That same year, she earned her SLPA certification where she completed her fieldwork within the Early Intervention setting. This led her to a career in San Francisco serving bilingual families. She earned her Master's degree in 2023 from San Francisco State University in Speech, Language and Hearing Sciences where she received specialized training and certification in Augmentative and Alternative Communication (AAC). Lorena is passionate about providing culturally responsive services in a naturalistic, neurodiverse-affirming approach and supporting multilingual language development. Beyond the professional arena, Lorena loves to take road trips, visit her family, and explore all Sonoma County has to offer with her fiancé and newborn son.

sierra overton

M.S., CF-SLP(she/her/hers)

Sierra Overton received her Bachelor of Arts degree in Psychology from Sonoma State University in 2018. She discovered her passion for speech therapy while working in a social pragmatics group. Sierra furthered her education by earning a Master of Science in Speech-Language Pathology from California State University, East Bay, in 2024. During her graduate studies, she also pursued additional training through Autism Specialists Pioneering Inclusive Research-based Education. She has experience working with a range of clients, including those with Apraxia, Autism, AAC, Aphasia, articulation, and receptive and expressive delays. Starting in June 2024, Sierra will begin her first year as a clinical fellow at Speech and Language Services of Marin-Sonoma. She is dedicated to supporting functional communication, autistic clients, and their families and early language development. Outside of her professional life, Sierra enjoys hiking around Sonoma County with her boyfriend and spending time with her family and friends.