MA, CCC-SLP, Owner

Gillian Gladstone Teran is a Speech-Language Pathologist and Orofacial Myologist with over 10 years of experience in private practice. She has also worked in and collaborated with numerous public and nonpublic schools and daycares across the DC Metropolitan area. Gillian founded her own private practice in 2017, specializing in oral-motor difficulties. She has helped clients of all ages with speech, feeding, swallowing, and orofacial myofunctional disorders (such as tongue thrust habits, tongue ties/lip ties, and thumb sucking habits). 


Gillian earned her Master's degree from the University of Maryland and her Bachelor's degree from Miami University. She is certified with the American Speech-Language-Hearing Association (ASHA), and is licensed in Maryland, Washington, DC, and Virginia. Gillian is an active member of the International Association of Orofacial Myology (IAOM™).



Ronisha C. DeLuzio, M.S., CCC-SLP is an ASHA Certified Speech-Language Pathologist who is licensed in Maryland and Virginia. She received her Bachelor's degree from the Penn State University and her Master's degree from Nova Southeastern University.


Ronisha has over 10 years of experience working with both children and adults in a variety of clinical settings. Ronisha also has training in Orofacial Myofunctional Therapy from the International Association of Orofacial Myology (IAOM™) and is a current IAOM™ member.  Her genuine love for helping others is what motivates her to give her very best to each family she is privileged to work with.  She is also a devoted mother who enjoys spending time with friends and family.



Christine has always had a passion for helping children and families with feeding, but having a son of her own with a tongue tie has helped her find her calling and her passion. She learned first hand the difficulties of infant feeding from a parent's point of view. She wants to help families early on so that therapy is short and effective! Christine loves to be a detective and to figure out the root cause of the issue and then educate families about why they are experiencing the difficulties they see and works with each individual family to develop a plan for how to remediate those issues. She has found her passion and her purpose in helping people with these unique issues. 

Christine has extensive continuing education and continues to love learning and growing as a therapist! She is  trained in PROMPT, VitalStim (NMES) for swallowing, ABA, SOS Approach to Feeding, DIRFloortime Certified. She is trained in Oromyofunctional therapy through the IAOM, the TummyTime Method(TM), Oral Placement Therapy (OPT), and the SOFFI method for premature babies and medically fragile infants. She is also a Certified Lactation Supporter and Educator (CLSE). Additional post-graduate training and coursework in Autism, AAC, reading & literacy instruction, nutrition, and tongue ties has been completed. 

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Roxanne is an ASHA Certified Speech-Language Pathologist and is licensed in Washington, DC. She earned her Bachelor’s degree from the University of Central Florida and her Master’s degree from Loyola University of Maryland.


Roxanne has experience in both private practice and school-based settings. She has training in the areas of Orofacial Myofunctional Therapy, Picture Exchange Communication System (PECS) and Early Intervention with a focus on parent engagement. Roxanne loves being part of a team that helps individuals communicate and ultimately connect with the people and world around them. 




Jasmin Pritchett is an ASHA certified and Maryland licensed Speech Pathologist for children with diverse communication abilities and needs. Jasmin received her Bachelor's degree from The University of North Carolina at Greensboro and her Master's degree from The University of the District of Columbia. Between collegiate experiences, she was a special education teacher to children with autism.


Jasmin's interests include pragmatic and social communication, augmentative and alternative communication (AAC), functional language skills, and communication in everyday life. Jasmin also has Early Intervention experience and has worked with many children ages 0-5 who required communication needs. She provides parent/caregiver coaching to encourage speech and language development during home routines and out in the community. 



Kate Izquierdo is the Office Administrator at Gladstone Speech. With a background as a Speech-Language Pathologist herself, she is uniquely suited to provide support to the Gladstone Speech team. Kate obtained her Master's degree from the State University of New York at Buffalo in Communicative Disorders and Sciences. Her Bachelor's degree was earned at the State University of New York at Geneseo with a double major in Spanish and Interpersonal and Organizational Communication.


Kate is the owner of L.E.I. Administrative Solutions, a virtual assistant company specializing in tailoring support to owners of speech and language private practices across the United States. Kate looks forward to supporting you to ensure your process of obtaining services is seamless and efficient, and will work diligently to connect you with a Gladstone Speech Clinician to meet your needs.