Our Audiology Team

Fenja Mattson, Au.D., CCC-A

Dr. Mattson grew up in Plantation, FL before attending Florida State University to pursue her bachelor’s degree in Business Administration. She then moved to Greenville, NC to pursue her master’s degree in Speech, Language & Auditory Pathology. In January 2004, she completed her Doctor of Audiology degree at Arizona School of Health Sciences before joining the JSHC Team in October 2004.

In 2015, Dr. Mattson received the Jacksonville Business Journal Health-Care Hero Award, which honors Northeast Florida professionals who improve health care and save lives, for her work treating veterans with hearing loss.

Dr. Mattson has also received additional training in Tinnitus Retraining Therapy (TRT) for hyperacusis and tinnitus management at Towson University.

Fun Fact: Dr. Mattson is fluent in German.

Shakeika Everett, Au.D., CCC-A

Dr. Everett is a native of Waynesboro, MS. She attended the University of Mississippi where she received a B.S. in Communication Sciences and Disorders. Afterwards, Dr. Everett attended the University of Southern Mississippi where she received a master’s degree in Deaf Education and Early Oral Intervention. She continued her graduate studies at USM and received her Doctor of Audiology degree in May 2021. While at Ole Miss, Dr. Everett studied American Sign Language as her foreign language, and it fueled her desire to help give everyone a voice. As she develops her career as an audiologist, she also hopes to pick back up on ASL and become fluent in the language.

Fun Fact: In her spare time, Dr. Everett loves to read, color, and complete puzzles. She loves anything purple, and she loves to travel anywhere that has a beach!

Jasmine Simmons, Au.D., CCC-A

Dr. Simmon is from Columbus, Ohio and received her Doctorate of Audiology from Central Michigan University. She is a member of American Speech-Language and Hearing Association (ASHA) and National Black Association for Speech-Language and Hearing (NBASLH). Dr. Simmons’s passion for audiology stems from both personal and clinical experiences. She was born with a bilateral profound sensorineural hearing loss and received her first cochlear implant at the age of two. When working with her patients she demonstrates empathy and patience by reflecting on her personal experiences. One of her ambitions is to give back to the community. She has done this by being a camp counselor for teens with hearing loss for the past eight years.

Fun Fact: During her free time, Dr. Simmons enjoys traveling and relaxing with her cats.

Lead Audiology Technician: Sydney Prinzi

Sydney joined JSHC in February 2020 as Front Desk Coordinator with previous customer service experience as a Supervisor at Adventure Landing. She was promoted to Audiology Assistant in July 2020 after receiving extensive training in hearing aid repairs. Sydney is a graduate of Sandalwood High School, where she was involved in band and the Air Force Junior Reserve Officer Training Corps (AFJROTC).

Fun Facts: Sydney has played cello for 10 years—in addition to singing, playing the piano, bass, and a few other instruments! She and her husband also love to hike up North whenever they get the chance to, describing herself as a “mountain girl in a Floridian body.”