Doctors & Staff
Meet the experienced and friendly doctors and staff who make Eye Care Associates of Owosso the leading provider of vision care products and services in Owosso.
Matthew J. Maki, OD
Dr. Maki is a 1990 graduate of Michigan College of Optometry (MCO) at Ferris State University. Following graduation from MCO, Dr. Maki completed a hospital-based residency program at the American Lake and Seattle Veterans Administration Medical Centers in Tacoma and Seattle, Washington. He then completed a clinical fellowship at the Pacific Cataract and Laser Institute in Chehalis, Washington, where he later served as clinic director in the Kennewick, Washington office.
Dr. Maki has also served as Chief of Optometric Services, Fort Wayne Veterans Administration Medical Center in Fort Wayne, Indiana and as an Assistant Clinical Professor at the Michigan College of Optometry. He received the Daniel Peters Memorial Award as the Outstanding Senior Optometry Student at the Michigan College of Optometry, additional awards while a student, and was elected to the Omicron Delta National Leadership Fraternity. He is a member of both the American and Michigan Optometric Associations and a Fellow of the American Academy of Optometry. He served as President of the Michigan Optometric Association (MOA) in 2011 and was named MOA Michigan Optometrist of the Year in 2014. He continues as a volunteer in the MOA Committee structure.
Dr. Maki is a published author and lecturer on various clinical subject matters. His special interests are ocular disease management and refractive surgery. In addition to Optometry, he enjoys running, bicycling, golfing, and reading.
Whitney J. Genrich, OD
Dr. Genrich obtained her Bachelor of Science in Biology at Central Michigan University. She then attended University of the Incarnate Word Rosenberg School of Optometry in San Antonio, Texas where she graduated with a Clinical Excellence Award. While in San Antonio, Dr. Genrich enjoyed providing comprehensive eye care to the underserved population and volunteering her time for humanitarian missions and care. She has received training in different aspects of optometric practice including a Veterans Administration Hospital and a multi-disciplinary ophthalmology practice which concentrated on cataract and refractive surgery. These have helped increase her knowledge and experience in ocular disease and peri-operative surgical co-management.
Dr. Genrich takes pride in her work and is dedicated to excellence in treatment and comfort. She is passionate about educating her patients about their conditions so they can fully participate in disease management, and as a result, experience a better quality of life. Dr. Genrich is devoted to always putting the patients care first while simultaneously providing the highest professional eye care possible. Joining the practice in June 2014, Dr. Genrich wants her patients’ experiences at Eye Care Associates of Owosso to be unique and memorable.
During her free time, Dr. Genrich enjoys all outdoor activities that Michigan has to offer and most importantly spending time with her family and friends.
Dr. Genrich is thrilled to be a new member of the Eye Care Associates of Owosso family and looks forward to serving the community.
Daniel Langhorst, OD
Dr. Daniel Langhorst, OD, graduated from the Illinois College of Optometry in 2012. He has been practicing at Eye Care Associates of Owosso, PC since October of 2023. Dr. Langhorst practices full-scope optometry in Owosso, but also focuses on neuro-optometry, working with Traumatic Brain Injury patients. He has completed courses through the Padula Institute of Vision, focused on visual mid-line shift, and is also certified through The Mind-Eye Connection in Z-bell and Visual Localization Testing.
Dr. Daniel Langhorst, OD, was born and raised in Williamston, Michigan where he still lives with his wife and four children. Outside of the office, Dr. Langhorst enjoys being a dad and spends most of his time with his family. He also enjoys spending September through April closely following his favorite Michigan State Spartan sports teams.
Roger R. Seelye, OD – Retired
Jen Tarrant, Optician
Jen is an Optician for Eye Care Associates. She is here to help you with your eyewear needs; whether it be selecting, adjusting or repairing them. She can also assist with questions concerning your eyewear. Jen has been in optical since 1997 and was certified through the American Board of Opticianry in 1998.
Jody Sivyer, ABOC
Jody started her career in optical in 1995. She has been certified through the American Board of Opticianry since 1998. She has been an Optician with Eye Care Associates since 2005. Jody enjoys assisting patients in frame selections, fitting, adjusting and repairing glasses, and troubleshooting when there is a problem.
Diane Wilson, COT
Diane joined Eye Care Associates in July of 2018 as the new office manager. She comes to us with over 30 years of experience in the ophthalmic and optometric field. Half of that time was spent in management. Diane is a certified ophthalmic technician. She is excited to be part of this team and to work with such wonderful doctors.
