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Rob Sambursky, MD, has more than 25 years of experience spanning the life sciences industry and clinical medicine. He is a fellowship-trained cornea specialist and currently serves as Chief Executive Officer of DefEYE, Inc..

Prior to joining DefEYE, Dr. Sambursky was one of the original founders of RPS Diagnostics and served as President and Chief Executive Officer of both RPS Diagnostics and Lumos Diagnostics. He led Lumos Diagnostics through its initial
public offering on the Australian Securities Exchange. In addition, he was a founder and Executive Chairman of Visus Therapeutics . Throughout his executive leadership roles, Dr. Sambursky also served as acting Chief Medical Officer for RPS Diagnostics, Lumos Diagnostics, and DefEYE.

Dr. Sambursky currently serves as a strategic advisor to Tenpoint Therapeutics and is Board Chair of Advanced Ophthalmics, Inc. and Sustained Drug Delivery, Inc. He has extensive scientific and clinical expertise in ophthalmology, infectious disease, and medical sciences, and has served as an advisory board consultant to numerous ophthalmic therapeutic companies. Dr. Sambursky has authored dozens of patents and scientific publications, conceived a novel point-of-care diagnostic platform, and served as the clinical and regulatory lead supporting multiple international regulatory clearances and U.S. FDA 510(k) clearances with CLIA-waived designations. He has also played a key role in the successful commercialization of multiple diagnostic products in the United States and internationally.

Dr. Sambursky is a practicing, board-certified ophthalmologist with fellowship training in corneal, external, and infectious disease. He earned a BA in Biology from Brown University, an MA in Medical Sciences with concentrations in biochemistry and microbiology from Boston University, and an MD from Boston University School of Medicine. He completed his medical internship at Mount Auburn Hospital, affiliated with Harvard Medical School, and completed both his ophthalmology residency and cornea fellowship at Wills Eye Hospital, where he also served as Co-Chief Resident.

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About Dr. Volkert

Dr. Kayla Volkert is the founder and optometrist behind See La Vie Eyecare & Eyewear, a boutique eye care practice she opened in 2022 with the goal of bringing personalized, state-of-the-art eye care to the Main Line.

Originally from York, Pennsylvania, Dr. Volkert now lives in Bryn Mawr with her husband and their two young sons. She loves the walkability, charm, and strong sense of community that make the Main Line such a special place to live and raise a family—and she is proud to serve the neighborhood she calls home.

Dr. Volkert earned her undergraduate degree from Penn State University, where she majored in Life Sciences and minored in French and Psychology. During college, she spent a semester studying abroad in Montpellier, France—an experience that shaped her appreciation for culture, connection, and thoughtful design.

She earned her Doctor of Optometry degree from the New England College of Optometry in Boston, where she was inducted into the Beta Sigma Kappa Honor Society and received clinical honors across her rotations. While in optometry school, Dr. Volkert served as President of the Private Practice Club, reflecting her long-standing interest in improving the patient experience and building a practice rooted in personalized care. Her clinical training included advanced rotations at Bascom Palmer Eye Institute, with a focus on pediatric contact lenses, and the Baltimore VA, where she gained extensive experience in the diagnosis and management of ocular disease.

After graduation, Dr. Volkert practiced optometry in Charleston, South Carolina for several years before returning to Pennsylvania to open See La Vie. Through her practice, she combines medical expertise with an elevated, boutique approach to eye care—offering comprehensive eye exams, advanced technology, and a highly personalized experience designed to help patients look, see, and feel their best.

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About Dr. Jeff Banas

Dr. Jeff Banas graduated from Roosevelt University in 2010, completing the Honors Program to earn his Bachelor of Science in Biology with a minor in Chemistry. He earned his Doctor of Optometry degree from the Illinois College of Optometry, the nation’s first and oldest optometric program. His clinical training included rotations at Ochsner Medical Center in New Orleans, the Illinois Eye and Ear Infirmary in Chicago, and the Zablocki VA Medical Center in Milwaukee.

Dr. Banas is a Fellow of the American Academy of Optometry (FAAO) and a member of the Optometric Glaucoma Society. He also holds membership in the American Optometric Association, Wisconsin Optometric Association, and Milwaukee Optometric Society, and is certified by the National Board of Examiners in Optometry.

His clinical practice focuses on ocular disease management, with particular expertise in glaucoma, diabetic eye disease, dry eye, age-related macular degeneration, cataracts, and refractive conditions. Dr. Banas also provides post-surgical care and is proud to be a part of an ophthalmology team recognized for its adoption of advanced technologies and innovative treatment approaches.