Meet our team of top-of-the-class eye doctors, scientists & engineers.

Our team is stacked with credentials. And every vision test is reviewed by a fully licensed eye doc.


Who are we?

Quadrant Eye is a mission-driven technology company that’s building the world’s first at-home eye exam. We believe everyone deserves good vision and healthy eyes.

Our team is led by founders Dr. Quinn Wang, a Duke and UCSF-trained ophthalmologist, and Kristine Yoshihara, a UC Berkeley-trained software engineer. Backed and advised by:


wang, MD

Co-founder & CEO


Co-founder & CTO


Founding Designer

Alexander Akagi

Founding Engineer

Ramazan Demirli, PHD

Head of research & machine learning

Enoch Chang

Engineer in residence

Meet our doctors

Tyler Boyd OD

Lead Optometrist
Dr. Tyler Boyd is an Oklahoma native who holds dual degrees in Biology and Chemistry. He currently practices in Oklahoma, where he cares for patients who travel from several hours away. In addition to exploring new eyecare technology, Tyler spends his time leatherworking, woodworking, and playing yard games with his wife and four kids.

Cindy Cork OD

Head of Patient Success
Dr. Cindy Cork is a multi-state licensed Optometrist with 23+ years of experience in diverse practice settings such as prisons and community clinics. She’s also worked as a sub-investigator for an FDA trial on presbyopia and previously ran the Vision Care Program at Miami Dade College. Her outside interests include mission trips and travelling to different countries and experiencing new cultures.

Advisory Board

Jay Stewart MD

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.

Edward Wood MD

Dr. Wood is a vitreoretinal specialist at Stanford University School of Medicine, where he mentors the ophthalmology innovation fellowship and develops mitochondrial therapeutics for age-related retinal disease.

Dr. Wood has founded three biomedical and biotechnology companies and served as an advisor for many others. In addition, he has published over 50 peer-reviewed manuscripts and has been the principal investigator for numerous research trials.

He is a member of the American Academy of Ophthalmology, the Association for Research in Vision and Ophthalmology, the Vit-Buckle Society, Club Vit, and the American Society of Retina Specialists.

Myong Lee

Myong Lee is the Chief Operating Officer and Co-Founder of Clever Care Health Plan. With 14 years’ experience in health care leadership, Myong has a proven track-record in launching health care organizations. His leadership focus is in building provider relationships and VBC contracting.Prior to founding Clever Care, Myong was VP Payer Contracting at agilon health, COO of Satellite Healthplan, CFO/COO at Inspira Health, and Vice President of Financial Planning & Analysis at SCAN Health Plan.Myong earned his Master’s degree in Business Administration from Arizona State University and his Bachelor of Arts degree in Economics and Finance from Franklin & Marshall College.

Nish Bhat

Nish is a co-founder of Color, a population health biotechnology unicorn that has raised over $350 million. At Color, he built bioinformatic engines for data analysis and helped win major deals with NIH, Apple, Salesforce, and others.He invests and advises in several early- and late-stage life-sciences companies and founded the Sci-Founder Fellowship, a program to help early career scientists start companies of their own.

David Kopp

David Kopp is a consumer healthcare and digital media leader with a track-record of execution and success, most recently as CEO of Healthline Media. He has a deep passion for healthcare and over a decade of industry experience spanning CEO/General Management (vision, culture definition, operational excellence), Product Marketing, Product Strategy, Product Management, and Online Marketing with a special focus on SEO and paid marketing. David lives in the Bay Area with his wife, 4 kids and yellow lab.