The Path Forward

Our Composite Ocular Blood Flow Analyzer (COBFA) was originally developed by Dr. Maurice Langham, the former Director of the Johns Hopkins Wilmer Eye Institute. He passed away a few years ago, but he asked his associates Dr. Theresa Kramer and Rhonda Grebe to continue leading the research and development of the device. We believe OcuFLOW™ has the potential to significantly transform lives with adoption of our intraocular blood flow analyzer.


Theresa Kramer, MD, MBA
Founder, Chief Executive Officer & Chief Medical Officer

Board-certified as an Ophthalmologist and Ophthalmic Pathologist, Theresa served on the original development team for OcuFLOW’s predicate device which has a 20-year history in academic ophthalmology. She participated in the original development of OBF technology, publishing articles on ocular blood flow. She serves as an elected board member and committee member for national organizations including ARVO, AAO, AAOOP. As Vice Chair of Finance at the Emory Eye Center, she’s been instrumental in driving process improvements with significant financial impact across the institution. Theresa completed medical school at University of Maryland, Internship at Washington Hospital Center, Ophthalmology Residency and Ophthalmic Pathology Fellowship at the Emory Eye Center, and MBA at Emory University Goizueta Business School.

Robin Dubois
Vice President – Development

Robin is the primary inventor of the OcuFLOW- COBFA device and co-founder of the company. He is a career entrepreneurial inventor, starting with building his own experimental aircraft, the DuBois 442 (N22AZ). His projects range from information technology in electronic health records, workflow tracking for nursing care, to the use of RFID to enhance the quality of healthcare.

Rhonda Grebe
Customer Liaison

Rhonda has 43 years experience researching ocular blood flow and how it relates to various disease states in the eye and 20 years as part of the Langham team in developing and testing the original ocular blood flow system. She has worked as a Sr. Research Specialist for the Oculovasculogenesis and Angiogenesis Lab at the Wilmer Eye Institute, Johns Hopkins School of Medicine in Baltimore, MD.

Langham OCVM  – The Langham family corporation participates in the equity of OcuFLOW, Inc. Fiona Langham is an active principal representing the family. She is an experienced sales and marketing professional and Navy veteran.

The OcuFLOW Composite Ocular Blood Flow Analyzer is a premarket medical device and has not been cleared by the FDA. The information contained herein is for investor and scientific investigational research use only.

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