Clinicians
Our dynamic team speech pathologists & board-certified behavior analysts offers an unparalleled breadth of services.

Melanie Olson Giles
PhD, BCBA-D, CCC-SLP
CEO/Clinical Director
Melanie@speechtherapygroup.net
Dr. Olson Giles is a dually licensed Speech-Language Pathologist and Board Certified Behavior Analyst, who is certified by the American Speech and Hearing Association and BACB. Dr. Olson Giles is the CEO and Clinic Director of Speech Therapy Group and The Verbal ABA Clinic. Dr. Olson Giles received her Bachelor of Sciences in Communication Disorders as well as her Masters in Speech Language Pathology from University of Massachusetts Amherst in 1999 and 2001. She also received her Masters of Education in Applied Behavior Analysis (ABA) and Autism from Endicott College in 2017, where she completed her PhD in ABA in 2020. Dr. Olson Giles is licensed in MA and NH. She founded The Verbal ABA Clinic in 2019, co-founded Speech Therapy Group in 2004 and co-founded MassTex Imaging in 2006. All are private practices focusing in the areas of either Speech Therapy diagnostics and treatment or Applied Behavior Analysis. She has training, which involves extensive evaluation and treatment of swallowing disorders pediatric through geriatric, completing over 6000 swallow studies, as well as over 2500 Fiberoptic Endoscopic Evaluation of Swallowing. Dr. Olson Giles’ main concentrations and licenses involve:
- Applied Behavioral Analysis
- Voice disorders
- Videostroboscopy with ENT physicians
- LSVT LOUD certified
- Picture Exchange Communication System (PECS) certified
- Augmentative and Alternative Communication (AAC) and Speech Generating Devices (SGD)
- Autism with application through Applied Behavior Analysis (ABA),
- Motor speech disorders
- Social skill training
- Functional communication
- Language & cognitive-linguistic therapy
- Pediatrics through Geriatrics
Meet Our Speech Therapists

Mary Barker, M.Ed. CCC-SLP
Speech-Language Pathologist
Mary@speechtherapygroup.net
Mary was welcomed to STG in 2004 and is a Speech-Language Pathologist who is certified by the American Speech and Hearing Association. Mary has over 27 years of experience as a Speech-Language Pathologist and rehabilitation manager. She has worked in a variety of settings including skilled nursing facilities, acute inpatient rehabilitation hospitals, out-patient clinics, acute care hospitals, public schools, Early Intervention, charter, and collaborative schools. Mary’s held positions with New England Rehab, Easter Seals Massachusetts and SunDance Rehab. She developed an interdisciplinary dysphagia outpatient clinic, an interdisciplinary Senior Stroke Rehabilitation Program, and managed the Augmentative and Environmental Adaptation Clinic for the New England Rehabilitation Hospital. Mary’s main concentrations and licenses involve:
- Adult and geriatric cognitive rehabilitation
- Oral functioning & swallowing disorders.
- Dementia
- Young stroke rehabilitation,
- Traumatic head injury rehabilitation.

Samantha Wallace, MS,CCC-SLP
Clinical Supervisor
Samantha@speechtherapygroup.net
Samantha joined the Speech Therapy Group team back in July of 2013 and is one of our clinical supervisors as well as a licensed Speech-Language Pathologist. Sam received her Bachelor of Sciences in Speech Language Pathology and Audiology as well as her Masters in Speech Language Pathology from Northeastern University in 2013. Over the years, Samantha has gained her experience from working at various school districts along the Northshore and completely a clinical rotation at an outpatient rehab at Milford Regional Hospital. From these experiences, she has gained practices in a variety of disorders with patients of all ages. Sam’s main concentrations and licenses involve:
- Autism
- Apraxia
- Dyslexia & reading disabilities
- Language
- Articulation
- Cognition, post-stroke & brain injury
- Augmentative and Alternative Communication (AAC) and Speech Generating Devices (SGD)
- PECs
- Visualizing & verbalizing
Get to know me!
“With the company of my black lab mix, Kylo, and my husband, I love to play board games, go to the beach, and complete many different crafts like knitting, coloring, and quilting.” – Samantha Wallace

Emily Exilus, MS, CCC-SLP
Clinical Supervisor
Emilyb@speechtherapygroup.net
Emily joined the STG team in May 2017 as one of our new clinical supervisors and a licensed Speech-Language Pathologist. She earned her Bachelor of Arts at Binghamton University majoring in Linguistics. She also received her Master’s in Speech-Language Pathology from Northeastern University. Emily has an extensive background from a variety of different internships and former employment opportunities such as pediatric offices, middle schools, skilled nursing facilities, and university clinics. She also had the opportunity to supervise graduate students and teach undergraduate courses related to speech pathology, specifically phonetics. Through these experiences, Emily holds a broad range of skills working in different settings with different age groups and disorder areas. Emily’s main concentrations and licenses involve:
- Accent modification training
- Stuttering
- Articulation
- Phonological processes
- Aural rehabilitation
- Literacy skills
- LSVT LOUD certified
- TESOL (Teaching English to Speakers of Other Languages)
- Picture Exchange Communication System (PECS) certified
Get to know me!
“I love spending time with my husband, family, friends, and pup! Relaxing at home with a good movie, book, or board game is my favorite thing to do but when I go out, I love outdoor activities like hiking and rollerblading.” – Emily Exilus

Melanie Jung, MS, CCC-SLP
Speech-Language Pathologist
Melaniej@speechtherapygroup.net
With great joy, Speech Therapy Group welcomed Melanie Jung to the team in August of 2018. Melanie is a licensed Speech-Language Pathologist who got her Bachelor of Science from Ball State University in Muncie, IN and a Masters in Science from Baldwin Wallace University in Berea, OH. Her widespread background comes from working at different internships and former employment opportunities such as Hamilton Southeastern Schools, an autism school, outpatient facilities, and the Cleveland VA hospital. Through these experiences, Melanie has accumulated an extensive variety of knowledge and skills like understanding pediatric speech delays and disabilities, and adult patients who present a variety of disorders. Melanie’s main concentrations and licenses involve:
- Pediatrics
- Autism
- Aphasia
- Apraxia
- Stuttering
- LSVT LOUD certified
- Augmentative and Alternative Communication (AAC) and Speech Generating Devices (SGD)
Get to know me!
“I enjoy baking cookies and cakes. Since I recently moved to the New England area I have enjoyed exploring new areas.” – Melanie Jung

Meredith Orton, MS, CCC-SLP
Speech-Language Pathologist
Mereditho@speechtherapygroup.net
Meredith joined the Speech Therapy Group team in August of 2018 as a clinical fellow. Meredith is now a licensed clinician after completing her clinical fellow in June of 2019. She graduated undergrad from Old Dominion University with a Bachelor of Science in Communications. She also graduated from Old Dominion University with a Master of Science degree in Speech Pathology. Meredith widespread background comes from working at different clinics that focus in pediatrics, voice, autism, and transgender patients. She also has experience working at elementary schools concentrating in articulation and language disorders. From these experiences, she has gained practices in a variety disorders and how to adapt to their specific communication and swallowing needs. Meredith’s main concentrations and licenses involve:
- Articulation
- Pediatrics
- Autism
- Feeding
- Swallowing
Get to know me!
“I love hiking, camping, snowboarding, crossfit, and playing board games with the company of my husband.” – Meredith Orton

Thalia Sosa, MS, CCC-SLP
Speech-Language Pathologist
Thalia@speechtherapygroup.net
Speech Therapy Group was excited to welcome back Thalia at the beginning of 2019 as a clinical fellow after completing her graduate school internship with us in the summer of 2018. She graduated undergrad from Pace University in New York City with a Bachelor of Arts in Communication Sciences and Disorders. She also graduated from Worcester State University with a Master of Science degree in Speech Language Pathology. Thalia has also completed previous graduate placement where she has gained experience with pediatrics focusing on articulation and language, ASD, behavior, voice, swallowing, and feeding. Thalia’s main concentrations and licenses involve:
- Pediatrics
- Articulation
- Feeding
- Swallowing
- Voice
- Augmentative and Alternative Communication (AAC) and Speech Generating Devices (SGD)
Get to know me!
“When I am not at the clinic, I enjoy lifting at the gym, reading, watching movies and football, and spending time with my family.” – Thalia Sosa

Bridget Cronin, MS, CCC-SLP
Speech-Language Pathologist
Bridget@speechtherapygroup.net
Speech Therapy Group was delighted to welcome back Bridget in the summer of 2019 as a clinical fellow after completing her graduate school internship with us in the fall of 2018. She graduated from Miami University (Oxford, OH) with a Bachelor of Science in Speech Pathology & Audiology. She also earned a Master of Science in Communication Sciences and Disorders from the University of New Hampshire. Bridget has also completed previous graduate placements where she gained broad range of skills including voice, expressive/receptive language, AAC, apraxia of speech, aphasia, articulation, social pragmatics, pediatric feeding/swallowing, counseling, fluency and family education for populations including ASD, Parkinson’s disease, and Down syndrome.
Bridget’s main concentrations and licenses involve:
- Augmentative and Alternative Communication (AAC) and Speech Generating Devices (SGD)
- Apraxia
- Feeding and swallowing
- Language
- Pediatric neurodevelopmental disabilities
Get to know me!
“I have always loved being around the ocean and am at the beach every chance I get—winter, spring, summer and fall!” – Bridget Cronin

Kelly O’Neill, MS, CCC-SLP
Speech-Language Pathologist
KellyO@speechtherapygroup.net
Speech Therapy Group was delighted to welcome back Kelly in 2020 as a clinical fellow after completing her graduate school internship with us in the fall of 2018. Kelly received her Masters degree in Communication Disorders from NYU in 2020. Kelly has also completed previous graduate placements where she gained broad range of skills including expressive/receptive language, AAC, apraxia of speech, aphasia, articulation, social pragmatics, counseling, fluency and family education for populations including ASD.
Kelly’s main concentrations and licenses involve:
- Functional Communication Training
- Augmentative and Alternative Communication (AAC) and Speech Generating Devices (SGD)
- Apraxia
- Language
- Pediatric Neurodevelopmental Disabilities

Sarah Cuffe, MS, CCC-SLP
Speech-Language Pathologist
SarahC@speechtherapygroup.net
Speech Therapy Group was delighted to welcome Sarah as a clinical fellow after completing her Master’s degree in July of 2021 at Sacred Heart University. She Masters degree in Speech Pathology in spring 2021 and her Bachelor’s Degree in 2019 from Sacred Heart University. Sarah has also completed previous graduate placements where she gained a broad range of skills including pediatric through adult speech and language disorders, expressive/receptive language, aphasia, articulation, social pragmatics, fluency disorders and family education for populations including ASD and Down’s Syndrome.
Sarah’s main concentrations involve:
- Pediatric through Adult Speech and Language Disorders
- Stuttering
- Social Skills
- Language
- Pediatric Neurodevelopmental Disabilities

Kimberly Coleman, MM, MS, CCC-SLP
Speech-Language Pathologist
KimberlyC@speechtherapygroup.net
Speech Therapy Group is delighted to welcome Kimberly Coleman!

Kayla Marcinczyk, MS, CCC-SLP
Speech-Language Pathologist
KaylaM@speechtherapygroup.net
Speech Therapy Group is delighted to welcome Kayla Marcinczyk!

Shivani Patel, MS, CCC-SLP
Speech-Language Pathologist
Shivani@speechtherapygroup.net
Speech Therapy Group is delighted to welcome Shivani Patel!

Jared Mordigal, MS, CF-SLP
Speech-Language Pathologist
JaredM@speechtherapygroup.net
Speech Therapy Group is delighted to welcome Jared Mordigal!

Emily Herbert, MS, CF-SLP
Speech-Language Pathologist
EmilyH@speechtherapygroup.net
Speech Therapy Group is delighted to welcome Emily Herbert!
Meet Our Board Certified Behavior Analysts

Lisa Hannaford, M.Ed.,BCBA-LABA
Behavior Analyst
Lisa@speechtherapygroup.net
The Verbal ABA Clinic at Speech Therapy Group welcomed Lisa Hannaford, first as a graduate student and Registered Behavior Technician, and now as a BCBA. She has extensive training in direct care with individuals with developmental disabilities and Autism. Lisa joined our team in January of 2019. She has a strong foundation in behavior analysis. She received her Bachelor’s and Master’s Degrees from Endicott College.
Lisa’s main concentrations involve:
- Verbal Behavior
- Functional Communication Training
- Functional Behavior Assessment (FBA) with Functional Analysis (FA)
- Problem Behavior
- Toileting
- Parent Training

Michelle Leigh, M.Ed.,BCBA-LABA
Behavior Analyst
MichelleM@speechtherapygroup.net
The Verbal ABA Clinic at Speech Therapy Group recently welcomed Michelle Leigh as a BCBA. She has extensive training in direct care with individuals with developmental disabilities and Autism. Michelle joined our team in March of 2021. She has a strong foundation in behavior analysis. She received her Bachelor’s and Master’s Degrees from Endicott College.
Michelle’s main concentrations involve:
- Verbal Behavior
- Functional Communication Training
- Functional Behavior Assessment (FBA) with Functional Analysis (FA)
- Problem Behavior
- Toileting
- Parent Training

Morgan Pistorino, M.Ed., BCBA-LABA
Behavior Analyst
MorganP@speechtherapygroup.net
The Verbal ABA Clinic at Speech Therapy Group welcomed Morgan Pistorino as a BCBA in September 2021. She has extensive training in direct care with individuals with developmental disabilities and Autism. She has a strong foundation in behavior analysis. She received her Bachelor’s Degree from Salem State University and her Master’s Degree from Cambridge College.
Morgan’s main concentrations involve:
- Verbal Behavior
- Functional Communication Training using PECS
- Functional Behavior Assessment (FBA)
- Problem Behavior
- Toileting
- Parent Training
The Verbal ABA Clinic employs and supervises Registered Behavior Technicians and Behavior Technicians as direct care staff, for our clients with Autism. All levels of technicians are supervised by Board Certified Behavior Analysts.
Reach Us
100 CUMMINGS CENTER, 135-H
BEVERLY, MA 01915
Phone: 978-927-0172
Fax: 978-927-0179