Our Leadership Team

john trein profile pic

Dr. Joao (John) Trein

Head of LATAM Operations, Retina Specialist

Dr. Joao (John) Trein Junior is an experienced ophthalmologist and retina specialist with more than 20 years in the field. Made his residency and retina fellowship at the University of Sao Paulo, Brazil. His career was dedicated extensively to clinics and surgeries, community programs, and research. Currently in the U.S., Dr. Trein contributes with his leadership to Ora’s global operations, bringing critical guidance to the international strategy. Simultaneously, he’s a cornerstone in upholding patient safety, applying his expertise across a diverse range of studies worldwide.

We partner with industry-leading companies to create vision beyond what we see.

regeneron logo
alltergan logo
regentree logo
mallinkrodt logo
stealth logo
nicox logo
astellas logo
canon logo
rayner logo

For over 45+ years, Ora has been on the leading edge of ophthalmic product development.

When your product shows promise, let's prove it.

Ora, Inc websites use cookies. By continuing to browse the site you are agreeing to our use of cookies.
For more details about cookies and their use, please see our Privacy Policy.