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Doctors

ROBERT BRECKON

Healthcare Operating Partner

30 years of operating/M&A experience in the global Health & Life Sciences sector
Former board member of Syneos – a leading multinational contract research organization
Former Partner at E&Y
BSc University of Toronto, AMP Harvard

JAMES MASUNAGA

Director – Clinical Trials

25+ years of experience in Ophthalmology
20+ years of experience in Clinical Trials
Served as CFO – East West Eye Institute
BA from University of California, Los Angeles

ALEX LIU, M.D./M.P.H.

Medical Director – Clinical Trials

20 years of experience as an Ophthalmologist
PI /sub-I in 10+ Clinical Trials (general Ophthalmology, glaucoma, surgical, etc…)
Residency: New York Eye & Ear Infirmary
Fellowship in Oculoplastic Surgery

BRYAN YATABE

Executive Vice President of Operations

15 years of experience in leading large scale management teams
Prior to joining NVISION, Bryan served as Senior Director of IPA Operations at Optum
BA from University of Redlands

CHRIS KARKENNY

Chief Executive Officer

30+ years of experience in building and growing businesses
Prior to NVISION, Chris served in leadership positions at PacifiCare Health Systems and Apria Healthcare
MBA from Pepperdine University and BS from the University of Richmond

TOM TOOMA, M.D.

Founder & Chief Medical Officer

30+ years of experience as an Ophthalmologist, having performed well over 150,000 refractive and cataract surgeries
Founded NVISION in 2010
M.D. and ophthalmology residency from Loma Linda University School of Medicine
Fellowship in Cornea and External Disease from Emory University