Meet our Hearing Care Experts
Rebecca Castro, Au.D.
- Undergraduate degree from Hofstra University
- Doctoral degree from Gallaudet University
- Instructor for the Peer Mentoring Program while at Gallaudet
- Fluent in American Sign Language
- Member of the American Academy of Audiology and the American Speech-Language-Hearing Association (ASHA)
- Maintains an ASHA Certificate of Clinical Competence in Audiology
- Licensed in the State of Delaware as an Audiologist
Olivia Dion, Au.D.
- Bachelor’s degree from Bloomsburg University, where she minored in American Sign Language
- Doctoral degree in Audiology from Gallaudet University
- Passionate about patient advocacy for those who can benefit from hearing aids and other communication devices
- Licensed in the State of Delaware as an Audiologist
Ashley Helthall, Au.D.
- Doctor of Audiology degree at Montclair State University in Montclair, NJ in 2017
- Bachelor of Science degree in Audiology and Speech-Language Pathology at Bloomsburg University in 2013
- Completed clinical rotations at Lake Drive School for the Deaf; Morristown Medical Center; St. Barnabas Hospital; and Associates in ENT and Allergy
- Completed her clinical training with a fourth-year externship at ENT and Allergy Associates, LLP
- Experienced working with pediatric, adult and geriatric populations in all areas of diagnostic audiology
- Earned a Certificate of Clinical Competence in Audiology from the American Speech-Language-Hearing Association
- Licensed in the State of Delaware & New Jersey as an Audiologist
Rebecca L. Holowka, MS, CCC-A
- Bachelor of Science, Radford University, Communication Disorders
- Master of Science, Galludet University, Audiology
- Certificate of Clinical Competence from the American Speech and Language Association
- Licensed in the State of Delaware as an Audiologist
- Director of Healthy Hearing for Delaware Special Olympics
Lisa Marencin, MS, CCC-A, FAAA
- Bachelor of Science, East Stroudsburg University, Speech Language Pathology
- Master of Science, Penn State University, Communication Disorder/Audiology
- Certificate of Clinical Competence from the American Speech and Language Association
- Fellow of the American Academy of Audiology
- Licensed in the State of Delaware as an Audiologist