The Perkins Clinic Staff

Rodney Perkins, MD, Otologist

Dr. Rodney Perkins received his medical degree from Indiana University and completed his surgical residency at Stanford University School of Medicine. He became a pioneer in the field of Ear Nose and Throat physicians specializing only in the ear, becoming an internationally known otologic surgeon. Dr. Perkins has developed a number of surgical procedures and techniques that are widely practiced throughout the world, including techniques related to middle ear surgery and reconstruction, and the use of lasers to assist in surgeries requiring a high level of precision. Dr. Perkins founded the California Ear Institute at Stanford and is a Clinical Professor of Surgery at Stanford University School of Medicine.

As an innovative physician entrepreneur, Dr. Perkins has successfully founded several Hearing Healthcare technology companies including ReSound Corporation, Sound ID, and Earlens Corporation in addition to several non-hearing related technology companies. Dr. Perkins has been involved with demonstrating the potential advantages of direct drive of the middle ear by bringing the Earlens system through the stages of an idea to a feasibility concept to the current commercial launch. Dr. Perkins is committed to bringing this technology to patients and is an expert on fitting Earlens and related procedures. He strives to make the Perkins Clinic at Earlens a model for the best practices and patient care with the Earlens hearing system.

Michelle Inserra, MD

Michelle Inserra, MD, Otologist

Dr. Michelle Inserra completed her medical training and residency in Otolaryngology/Head & Neck Surgery at Stanford University and Hospitals.  She then completed a fellowship in Neurotology at the California Ear Institute where she worked with Dr. Perkins and Bruna Gasparini.  After finishing her medical training, she joined the Otolaryngology Department at Kaiser Permanente in Santa Clara, where she practiced subspecialty surgical and clinical care in Otology for over 10 years. She is currently in private practice specializing in Otology and Neurotology, and has extensive experience working with the Earlens device and the Perkins Clinic.

Originally from New York, she attended Brown University and obtained a degree in biomedical engineering. She conducted medical research at the Rockefeller University in New York City, before establishing her medical career in California.

When she is not devoting her time to care for patients with ear related medical issues, she spends her time with her husband, step-sons, and 2 dachshunds. In addition to English, she speaks Spanish.

Elizabeth Eskridge-Mitchell, Au.D, Clinical Audiologist

Dr. Elizabeth Eskridge-Mitchell learned at a young age that serving people with hearing loss was her calling. Growing up with a mother with hearing loss exposed her to the challenges hearing loss can induce and the effects it can have on one’s quality of life.

Dr. Eskridge earned her Doctor of Audiology degree from Northwestern University in Evanston, Illinois, and her Bachelor of Arts degree from the University of Wisconsin-Madison.

She has over 8 years of experience in Clinical Audiology and Audiology Research. Prior to joining Earlens, Elizabeth held research positions with the Veteran’s Administration and at the House Research Institute. She has provided diagnostic and dispensing audiology services in Southern California and has served as a customer care audiologist with another hearing aid company.

Dr. Eskridge recognizes that the Earlens technology has a distinct advantage over any other system in the hearing healthcare market. She finds joy in providing patients with exceptional service, enhanced hearing and a better quality of life.

Therese Velde, Ph.D, Clinical Audiologist

Dr. Therese Velde is an audiologist with diverse experience in clinical audiology and all aspects of the hearing instrument industry from development and execution to market delivery, local implementation, training and support. She has worked across disciplines converging marketing, sales and audiology interests at two major hearing device manufacturers. Her primary emphasis in training has been content development and delivery where she has brought out the patient-centered audiologic focus, in addition to technical information.  She holds a Ph.D. from Northwestern University and a Specialist in Speech Pathology and Audiology, MS and BS from the University of Arizona.   


Cheryl Medina

Cheryl Medina, Practice Manager

Cheryl knew at a young age she would always be in some form of innovative technology or medical research. She became a certified medical assistant in 2004 and began her career at the California Ear Institute where she dedicated a decade to assisting in the care of families of all ages. Over the span of her career she has observed the rapid improvements in ear and hearing related technologies such as cochlear implants and treatments for atresia and microtia.

Cheryl’s passion in fulfilling the needs of others did not stop there. She continued to focus on her education and received a license in Vocational Nursing the winter of 2013. 

After being introduced to Earlens and the Perkins Clinic, the best of both worlds combined with innovative technology and the amazing world of research. She is currently pursuing her Bachelors degree in Nursing. 

Bruna Gasparini

Bruna Gasparini, Medical Assistant

Bruna is a medical professional with over 45 years of experience in radiologic technology and medical assistance at the California Ear Institute and in the healthcare industry. She is highly experienced in patient care, communications, and assisting physicians in ear-related procedures. Bruna has experience working with children, adolescents, adults, and the geriatric population. Bruna began working with Dr. Perkins in 1978 and worked with Dr. Inserra during her fellowship training at the California Ear Institute. Dr. Perkins recruited her to join the Perkins Clinic at Earlens based on her high level of performance, high level of care, attention to detail, and wonderful interpersonal skills.

Jazlyn Samaniego

Jazlyn Samaniego, Medical & Audiology Assistant

Starting her career at a young age, Jazlyn Samaniego joined Abbott Vascular in 2015 and realized how instrumental the medical device industry is in impacting patients’ lives. In order to help patients more directly, she decided to enroll at Gurnick Academy of Medical Arts in 2015 and graduated as a Medical Assistant and a Phlebotomist in 2016. She worked as a phlebotomist part time in San Francisco and was also working as a medical assistant at a podiatrist clinic when she learned of the groundbreaking Earlens technology.

In 2017 she joined the Perkins Clinic at Earlens and has enjoyed gaining clinical, medical and audiology assisting experience while simultaneously learning the administrative side of the medical device industry. Jazlyn strives to be able to help as many people as possible and strives to go above and beyond her job duties to make a positive impact in others’ lives.