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RPS founder, Jeffrey K. Luttrull, MD, has devoted his career to developing, advocating, and advancing vision loss prevention. Dr. Luttrull is the inventor and developer of Subthreshold Diode Microsecond Pulse Laser (SDM).
Retinal laser is regarded as the most important sight-saving tool in the history of ophthalmology. Dr. Luttrull is the world's most experienced retinal laser surgeon, having performed over 60,000 retinal laser procedures. Dr. Luttrull is the recognized world leader in prevention and preventive treatment for retinal diseases and the foremost authority on retinal laser treatment, responsible for every major advance and innovation in the field of retinal laser treatment since 2000. Dr. Luttrull is ranked in the top 5% of all researchers worldwide by Researchgate.net because of the importance and influence of his innovative work.
Dr. Luttrull graduated from medical school at the University of Southern California and completed an internship in Ophthalmology at the Los Angeles County / USC Medical Center. His specialty residency training in Ophthalmology was obtained at the Estelle Doheny Eye Institute in Los Angeles where he received honors for original research. He was especially honored for his clinical teaching and leadership by USC Department of Ophthalmology medical students and his fellow residents. Subspecialty fellowship training in vitreoretinal diseases and surgery was completed at the Oregon Lions Sight and Hearing Institute and Good Samaritan Hospital in Portland.

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Conor Gray is a strategic healthcare and life sciences professional with experience driving growth and leading teams at venture-backed startups. Prior to joining RPS, Conor led the Business Strategy and Analytics team at Patient Point Health Technologies. He started his career in the Life Science practice at Charles River Associates, where he led numerous engagements in the retinal care space. Conor holds a Masters of Business Administration from Harvard Business School and a Bachelor of Arts degree in Economics from Boston College.
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Mike Lessard leads the commercial strategy at RPS. Mike specializes in go-to-market strategies with experience in the life sciences and insurance industries. Prior to RPS, Mike oversaw regulatory product strategy and business development at Verisk Analytics and was a consultant in the Life Sciences practice at Charles River Associates. Mike holds a Bachelor of Science degree in Mechanical Engineering from Harvard University.
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Sherman Muller serves as Chairman and President of Retinal Protection Sciences, overseeing all business and operational matters of the company.
He brings more than two decades of experience as a partner in institutional venture capital funds focused on building early-stage technology and MedTech companies. His investment and operating background include leadership involvement with pioneering healthcare ventures, including Biox, Inc., the company behind pulse oximetry.
Sherman has served as Chairman, CEO, and President across multiple healthcare, medical device, and enterprise software organizations, ranging from early-stage startups to large operating businesses. He previously led a $40+ million revenue software subsidiary of a Fortune 150 corporation, delivering record operating performance. Sherman combines startup agility with enterprise-scale leadership, offering deep expertise in strategy, capital formation, governance, and execution.





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John Ryan is a seasoned healthcare executive with deep expertise in market and revenue growth, business strategy, and leadership development. As CEO of UnitedHealthcare’s Vision Plans, he led the business to over 40% membership growth while doubling revenues and profits in five years.
Previously, John served as a senior executive in UHC’s National Accounts division, overseeing client management for over 500 national employers and 11 million covered lives. Before joining UHC, he was a healthcare and benefits consultant at Mercer and Watson Wyatt (now WTW).
With his extensive experience in vision care, healthcare strategy, and business development, John provides invaluable insights to Retinal Protection Sciences as we advance preventative care for chronic progressive retinopathies.

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Shawn Mobley is a distinguished executive with over two decades of experience in business development, client relations, and strategic growth within the healthcare and healthcare technologies sectors. As Chief Commercial Officer at TurningPoint Healthcare Solutions, he leads growth strategy and innovation across the health plan and employer segments.
Prior to this, Shawn served as Chief Growth Officer at UnitedHealthcare, Chief Revenue Officer at Rally Health, and spent over 16 years at UnitedHealth Group leading growth and client development initiatives.
His extensive experience in scaling businesses and fostering strategic partnerships makes him a valuable advisor to Retinal Protection Sciences.

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Stephen Sinclair, M.D. – is the founding co-director of Sinclair Technologies LLC, GSX Pharma, and a consultant for AI Spectral. Dr. Sinclair also serves as a medical advisor to the American Optometric Association's Committee, where he supports the development of guidelines for managing macular disease.
Dr. Sinclair is a graduate of the University of Pennsylvania and a Thouron Scholar at Cambridge University. After graduating from Harvard Medical School, Dr. Sinclair trained at the Massachusetts Eye and Ear Infirmary and completed his fellowship in vitreo-retinal surgery at the University of Wisconsin.Dr. Sinclair practiced full-time in academic vitreoretinal surgery for 20 years, first at the Univ of Pennsylvania and then at Drexel-Hahnemann Medical School, where he later served as Chairman.
Starting in 1998, Dr. Sinclair worked in private practice as a vitreoretinal surgeon and until recently served as Adjunct Professor at the Pennsylvania College of Optometry and College of Engineering, Drexel University. Dr. Sinclair has taught ophthalmic surgeons around the world through Project Orbis and teaches multiple surgical specialties regarding the enhancement of vision for surgical endoscopic dissection, having developed the first surgical simulator and subsequently consulted with the development of VR Magic, the current leader in ophthalmic surgical simulation.
Today, Dr. Sinclair’s research continues, focusing on the development of numerous digital devices including the laser doppler measurement of retinal blood flow, the measurement of resolution visual fields under real world luminance and contrast conditions, and the development of ophthalmic image management and annotation systems to improve the viewing and comparison images across different ophthalmic testing devices overtime using artificial intelligence. Dr. Sinclair has received Honor and Senior Achievement Awards from the American Academy of Ophthalmology and the American Society of Retinal Specialists. To date, he has published more than 100 original scientific papers and holds +12 device and drug patents.
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Igor Kozak, MD, PhD is professor of ophthalmology at the University of Arizona School of Medicine, specializing in consultation and surgery for disorders of the retina, vitreous, and macula. Dr. Kozak is a graduate of Pavol Jozef Šafárik University in Slovakia and is a fellowship-trained retina and uveitis specialist from the University of California San Diego Shiley Eye Institute, where he served on the retina faculty. He subsequently served as Consultant Ophthalmic Surgeon and Clinical Lead at the Moorfields Eye Hospital Centre in Abu Dhabi, United Arab Emirates, where he attended patients with retinal and inflammatory diseases and performing vitreoretinal surgery on adults and children.
Dr. Kozak’s academic interests include clinical research, ocular imaging, drug delivery, pharmacology, retinal laser treatment, and telemedicine. He has participated in numerous clinical trials as associate and principal investigator. He has published extensively in premier ophthalmic and scientific journals and has edited 6 ophthalmic books internationally. He serves as a scientific reviewer for more than 50 ophthalmology journals and is an editorial board member for 4 journals.

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Matthew Ward, MD is an eye surgeon and cornea specialist practicing at the Riverwoods Eye Center in Provo, UT. He attended medical school at the University of Utah and completed residency and fellowship training at the world-renowned University of Iowa Department of Ophthalmology. Prior to medical school he was a research fellow at Harvard Medical School’s Schepens Eye Research Institute and an undergraduate at Brigham Young University.
Dr. Ward has a special interest in innovation that simplifies clinical practice, reduces costs and improves patient care. He has published novel surgical techniques in peer-reviewed literature, designed surgical instruments and devices and is a named inventor on several patents. Dr. Ward is a member of the American Academy of Ophthalmology and board certified by the American Board of Ophthalmology.

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Vicente Diaz, MD specializes in ocular inflammatory and infectious diseases. Dr. Diaz’ practice also includes Comprehensive Ophthalmology, treating ailments such as Dry Eye Syndrome, Glaucoma, and Cataracts. His research interests include novel immunomodulatory therapies for the treatment of non-infectious inflammatory disease, management of Stevens Johnson’s Syndrome, a potentially lethal autoimmune disease, and innovative therapies in glaucoma.
Dr. Diaz is Chief of Ophthalmology at the Yale Health Plan, addressing the eye needs of the Yale faculty, students, employees, and their families. He is the Director of Diversity and Inclusion for the Department of Ophthalmology and Visual Science at Yale University. Dr. Diaz is also Director of Ophthalmology for the Bridgeport Hospital Burn Unit, where he oversees the care of all patients with Stevens Johnson's Syndrome in the state of Connecticut.
Dr. Diaz was voted among the top eye doctors in Fairfield County in the Fairfield Advocate’s 2012 and 2013 reader’s polls. After graduating from Ophthalmology residency at Yale University, he completed a fellowship in Ocular Immunology & Infectious Disease at The New York Eye & Ear Infirmary where he was recently on the clinical and research faculty. He is currently a co-investigator on several FDA clinical trials of novel immunomodulatory therapies for inflammatory diseases, sponsored by companies such as Abott, Novartis, and Lux Biosciences.
Dr. Diaz is also active in the surrounding community, with a presence that has grown consistently throughout his tenure in the Tri-State, including an appointment as keynote speaker at the 2011 Puerto Rican Festival in Bridgeport, Connecticut. Dr. Diaz founded the La Unidad Latina Medical Guild and was the architect of their annual medical mission to the Dominican Republic, Guatemala, and Honduras where he performs surgery, teaches medical residents, and cares for patients in need; the team created by Dr. Diaz sees between 3,000 – 5,000 patients abroad annually. Dr. Diaz received his BA from Brown University, his MD from Yale School of Medicine, and his MBA at Yale School of Management.

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John W. Sheets, Jr., PhD is a seasoned ophthalmic and medical device executive with more than three decades of leadership spanning innovation, regulatory strategy, and global commercialization.
He has served as CEO, president, chief scientific officer, and COO across multiple ophthalmic and life science organizations, including senior leadership roles at Alcon, Bausch + Lomb, Boston Scientific, and Johnson & Johnson. Dr. Sheets previously led the FDA’s Office of Device Evaluation at CDRH, overseeing premarket review of medical devices and combination products.
He brings deep expertise in ophthalmic devices, regulatory affairs, clinical development, and value-based innovation to the Retinal Protection Sciences Advisory Board.




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RPS is here to help clinicians prevent vision loss for their patients. To achieve this
purpose, we are committed to:
To enable our commitments, management and all team members shall embrace
their responsibility to:
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SAPRA® has not yet been evaluated and approved by the U.S. FDA or regulators for other geographies for commercial sales
© Retinal Protection Sciences. ALL RIGHTS RESERVED.