Meet the Team
Lingua truly shines because of this amazing team! They are the driving force behind everything we do. We couldn't be prouder to have these dedicated clinicians on board, ready to deliver the absolute best care for you!
.jpg)
Jill Dunn M.S., CCC-SLP
Jill is a licensed and ASHA-certified Speech-Language Pathologist with experience across various settings, including schools, outpatient clinics, home therapy, and private practice. She is deeply passionate about speech therapy and continually seeks to expand her knowledge so she can share the most effective strategies with her clients and their families. Her therapeutic approach is child-centered,following a child’s lead, and embracing all forms of communication. Miss Jill has expertise in supporting children with language delays, AAC, speech sound disorders, picky eating, and more. She works closely with families to develop tailored strategies to best meet their child's needs. Outside of her professional life, Miss Jill enjoys spending time with her dogs and fiancé, grabbing an iced coffee from Dunkin', and catching up on much-needed naps.
_edited.jpg)
Megan Oswald M.S.,CCC-SLP, IBCLC
Megan is a NEPA‑born Speech‑Language Pathologist and IBCLC with extensive training, mentorship, and years of focused coursework in oral myofunctional therapy. She specializes in infant feeding, lactation, tethered oral tissues, picky eating, swallowing, and speech‑language development across the lifespan.
​
Her approach is warm, evidence‑based, and person-centered—supporting babies, children, and adults with feeding, oral function, and communication challenges. When she’s not in the clinic, Megan is outdoors with her family, chasing adventures with her two daughters and her son!
.jpg)
Caryssa McCool M.S., CCC-SLP
Caryssa is a certified Speech-Language Pathologist and Certified Myofunctional Therapist who supports infants, children, teens, and adults with oral function and feeding. Her work is deeply informed by years of advanced training and her own experience navigating her child’s tongue tie journey. Caryssa offers virtual care and in-home visits within 20 miles of Doylestown, PA, and is currently pursuing certification as a lactation counselor to further support families in the early feeding journey.
.jpg)
Chelsea Zimmerman M.S., CCC-SLP, CLC, CLSP, NTMC
Chelsea Zimmerman is the owner and operator of Lingua Speech, Swallow, and Voice Services. Born in Schuylkill County and raised in Reading, Pennsylvania, she completed the accelerated five‑year master’s program in Speech‑Language Pathology at Marywood University in Scranton. With over a decade of clinical experience, Chelsea has trained extensively across inpatient and outpatient rehabilitation settings, including Good Shepherd Rehabilitation—serving both pediatric and adult populations—and the University of Nebraska Medical Center, where she supported a Level III NICU and collaborated closely with leading otolaryngologists.
​
As her career progressed, Chelsea pursued advanced clinical training to better serve medically complex and specialty populations. She is a certified lactation counselor, certified in neonatal infant massage, and trained in manual therapy for adult voice and swallowing. She specializes in manual therapy for head and neck cancer, muscle tension dysphagia and dysphonia, and infant feeding and oral‑motor development.
Chelsea also completed a second master’s degree in Health Professional Teaching and Technology from the University of Nebraska Medical Center, graduating summa cum laude in 2022.
​
Chelsea is passionate about educating clinicians and interdisciplinary professionals on the depth and impact of speech‑language pathology. Her clinical interests include oral myofunctional therapy, starting solids, habit cessations, and manual therapy for head and neck cancer, muscle tension dysphonia/dysphagia, and infants.
​
When she’s not running Lingua, Chelsea can be found with her dogs in the mountains of Colorado, competing in strength sports, and fully embracing her role as the coolest aunt around.
.jpg)
Lisa O'Sullivan RDH, OMT Track Candidate
Lisa has an AS in dental hygiene from SUNY Farmingdale with a certification in oral myofunctional therapy/orofacial myology, as well as countless hours of continuing education.
Her extensive background in the dental field, along with OMT certification, has equipped her with the skills and the knowledge to provide exceptional care. She is passionate about helping children and adults to improve their nasal breathing, lip seal, and tongue posture. Her focus is on airway health, and she strives to empower patients to breathe better and sleep better for overall health and well-being. Begin your myo journey with Lisa!
​
​
​
Nicole Kimmell M.S., CCC-SLP
Nicole is an ASHA-certified Speech-Language Pathologist with a passion for early language development, AAC, and speech sound disorders. A NEPA native and Ithaca College graduate, she brings experience from a variety of pediatric settings and is dedicated to helping children grow their communication skills with warmth, creativity, and evidence-based care.
​
​
​
​
​
​
​
​
​
​
Ava Fabriziani, MS, RDN, LDN, CLC
Ava is Maternal and Pediatric Registered Dietitian and Lactation Counselor who specializes in prenatal nutrition and breastfeeding!
​
By offering nutrition and lactation counseling and support, I help women throughout their reproductive life, supporting their nutrition and feeding and helping them achieve their short and long term goals using a gentle, progressive, and personalized approach.
​
My philosophy is that feeding and nutrition changes should be comfortable, yet effective. Most of Ava's work is virtual but she does support the Doylestown area for in person lactation needs.
.jpg)
Dr. Gia Long EdD, MSN, RN
Dr. Gia Long is a certified pediatric sleep consultant with over a decade of experience as a registered nurse and a deep background in nursing and adult education. Drawing from both clinical expertise and her own parenting journey, she offers compassionate, evidence-based support to help families navigate sleep challenges with confidence. Her approach is holistic, personalized, and rooted in empowering parents with practical tools for lasting sleep success. All services for Dr. Gia are virtual.
​
​
​
​
​
​
​
​
​
​
​
_edited.jpg)
Kaycee Harte M.S., CCC-SLP
Kaycee is an ASHA-certified Speech-Language Pathologist who brings warmth, creativity, and clinical expertise to her work with children. She supports communication development across ages and abilities, with a special interest in early language, speech sound disorders, and functional, play-based therapy. Kaycee is passionate about helping each child find their voice—and helping families feel supported every step of the way.
​
​
​
​
​
​
​
Tara D'Amico - Life Saver aka Administrator
Tara D’Amico is the Administrative Assistant at Lingua, Speech, Swallow and Voice Services. She holds a Bachelor of Science degree from Marywood University and brings over 10 years of experience in diverse support roles. Tara is dedicated to helping individuals access services with ease while ensuring smooth, efficient office operations for clinicians and clients alike.
In addition to her role at Lingua, Tara works as a Client Care Manager for Paramount Pet Care. She previously owned her own business as a certified pediatric sleep consultant, where her passion for supporting families through sleep education first connected her to Lingua. She is grateful to be part of the team.
Outside of work, Tara enjoys traveling and spending time with her husband, their two energetic boys, and their two beloved rescue pups.