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OUR TEAM

Dr. Jean S. Brennan - a native of San Rafael, is a graduate of The UC-Berkeley School of Optometry, the international leader in eye and vision research. She worked on the Buck Center’s Vision and Aging Project for three years, where studies found, our vision doesn’t need to decline with time and that maximizing older patient’s vision will be crucial as we all hope to have long, active careers. Dr. Brennan joined Marin Optometry in 2002. One of the things she loves about optometry is that it enables her to work with patients from a wide group of ages and has a deep interest in children’s vision and its importance in learning. Dr. Brennan is a member of the American Optometric Association and the California Optometric Association a volunteer Optometric Services to Humanity & University of California Optometry Alumni Association. She helps support the Sierra Club, the Pt. Reyes National Seashore Association, the Boys and Girls Club of Marin and Southern Sonoma Counties, the Buck Center for Research on Aging and Marin Academy. She and her husband Tim live in Petaluma with their son, Teo and when she’s not with patients at Marin Optometry enjoys hiking in their coastal range, photography and skiing.

Chief Optician Sharon Segal joined Marin Optometry in 1990 and helped transform it into a full-service optometric practice with a beautiful optical boutique and state-of-the-art laboratory where your glasses are custom made. She is committed to offering excellent individual service and the highest quality and value with a guiding principle to always exceed her client's expectations. Sharon believes in giving back to her community. She serves as the Vice Chair Board of Directors of 10,000 Degrees, previously served on the Board of Directors of the Mill Valley Chamber of Commerce and continues to lead the Mill Valley Rotary College Scholarship Committee. She’s very involved with Saint Vincent DePaul, providing all optical needs pro bono to help serve their mission to break the cycles of homelessness and domestic violence and ease re-entry into society.

We love our Bay Area home and our Mill Valley community. That’s why Marin Optometry supports many local social and cultural causes, including Kiddo, the Mill Valley Schools Community Foundation; the Mill Valley Film Festival; the Mill Valley Rotary Club; the Tam High Foundation; the Leukemia & Lymphoma Society; the Mill Valley Chamber Music Society; Rally for the Cure and Spectrum.

Dr. Channie Duhn - For 20 years, I have enjoyed serving our community and our time together. Now, my family and I have made the decision to begin our next chapter in Australia, which we’re very excited about. I will miss each of you and the amazing team here at Marin Optometry. I take great solace and excitement in being able to pass the baton to Dr. Jean Brennan. Together with Sharon Segal and the whole team, I can, without hesitation, embark on this journey knowing you’re in the best of hands. I have watched many of your children grow up, have benefited from the much-needed advise on raising my young sons and enjoyed years of counsel and conversation, which I’m ever grateful for. With gratitude and love Channie

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