Quadrant Eye is bringing high-quality eyecare to all.

We're here to change the story of eyecare for good. Our mission is simple: to bring eyecare to you.

We're here to change the story of eye care for good. Our mission is simple: to bring eye care to you.

The Team

Quinn Wang

Quinn Wang


Co-founder and CEO

Dr. Quinn Wang is a UC San Francisco (UCSF)-trained cataract surgeon and 2x Duke alum (BA, MD) who graduated with highest distinction in English Literature. She has published papers in leading journals such as Ophthalmology, designed and implemented a randomized clinical control trial, and pioneered bilateral cataract surgery in private practice. Outside of work, she regularly cycles up mountains and occasionally climbs up volcanoes (on skis.)

Kristine Yoshihara

Kristine Yoshihara

Co-founder and CTO

Kristine is a 2x founder who graduated from UC Berkeley with degrees (BA, MS) in Biology, History, and Information Science. She has authored academic papers in data mining and computer science, piloted studies in computational cancer research and evolutionary genetics, and shorted the fastest market crash in history. When not working, she enjoys road-tripping across Africa and exploring ghost towns. Also previously @Pandora and Engineer #6 @UnitedMasters ($350M val).

Alexander Akagi

Alexander Akagi

Founding Engineer

Akagi is a 2x founder and self-taught software developer who previously led engineering at Gentlebirth, a pregnancy and wellness startup. In his spare time, Akagi explores biohacking via at-home testing kits and ethnobotanical medicine and also enjoys nomading worldwide (most recently in Panama!)

Saba Tshibaka

Saba Tshibaka

Strategic Impact Intern

Saba recently graduated from the University of Maryland, College Park with a degree in Philosophy, Politics, and Economics. She has held internships with the U.S. Department of Treasury (D.C) and Google Inc (Ann Arbor, MI) and is passionate about minimizing environmental impact as well as promoting diversity and inclusion. Saba loves to write, read, and play basketball with her friends and family.

Advisory Board

Picture of Jay Stewart

Jay Stewart


Dr. Jay Stewart is a vitreoretinal specialist at the University of California, San Francisco (UCSF) and serves as Chief of Ophthalmology at Zuckerberg San Francisco General Hospital (ZSFG), where he has piloted several telemedicine initiatives. In his NIH-funded research, Dr. Stewart studies age-related macular degeneration, diabetic retinopathy, drug delivery to the eye, and the permeability and biomechanics of eye tissues. He earned his medical degree from Harvard Medical School and is a member of the American Academy of Ophthalmology, the American Society of Retina Specialists, and the Retina Society.

Picture of Michael Tibbetts MD

Michael Tibbetts


Dr. Michael Tibbetts is a retinal specialist with over 10 years of clinical experience. He is a technology enthusiast who graduated from Harvard Medical School and completed his ophthalmology residency at Wills Eye (UPenn,) one of the top programs in the country.

Picture of B. Schwartz MD, FAAOS

B. Schwartz


Dr. Benjamin Schwartz is a board-certified orthopedic surgeon who serves as Chief Innovation Officer at Healent. Dr. Schwartz is a digital health expert, startup advisor, and a member of the Buoy Health medical advisory board.He was named one of LinkedIn's Top Voices of 2020 and was also a 2019-2020 Doximity Fellow.

Picture of Sam D'Amico

Sam D’Amico

Sam is a Product Architect on the Oculus Team at Facebook. He has a decade of experience taking hardware products from initial R&D through to mass production and is currently focused on product architecture for next-generation AR/VR devices. He studied Electrical Engineering at Stanford University (BA, MS).


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