John Berdahl, MD

Dr. John Berdahl specializes in advanced cataract surgery, corneal surgery, and glaucoma surgery at Vance Thompson Vision. Dr. Berdahl is a recognized world leader for the advancement of glaucoma treatment. He’s been recognized by the American Medical Association as the Top Young Physician in South Dakota and was awarded the national Claes Dohlman Award by Harvard for being the most outstanding cornea fellow in 2008 and identified as one of the top 40 under 40 ophthalmologists worldwide.

Nathan Radcliffe, MD

Dr. Nathan Radcliffe, Mt. Sinai School of Medicine, is a glaucoma and cataract surgeon who specializes in the fields of corneal biomechanics, micro incisional glaucoma surgery, and glaucoma pharmacotherapy. He is the Chief Editor of the publication Glaucoma Physician and the Glaucoma Section Editor of Eyeworld Magazine and is on the ASCRS glaucoma program committee. Dr. Radcliffe is passionate about peer-to-peer education and innovation and blends academic science to elevate private practice clinical medicine.

Davinder S. Grover, MD, MPH


Dr. Davinder S. Grover (Glaucoma Associates of Texas) interests include innovative glaucoma surgeries, complex glaucoma, cataract, and anterior segment surgeries as well as clinical research outcomes in medical and surgical glaucoma. Dr. Grover serves on the Board of Directors for both the American Glaucoma Society and the Cure Glaucoma Foundation, a charitable organization. Dr. Grover has authored over 50 peer-reviewed articles and 15 book chapters, and he lectures around the world on glaucoma and innovative glaucoma surgeries.

Jonathan Soiseth, MS Mechanical Engineering


Mr. Soiseth has 20 years of experience in the design, development, manufacturing, and testing of advanced optical and ophthalmic devices, and he also has15 years of experience with the same aspects of electro-mechanical equipment. This experience has provided him with direct experience to be very efficient in the development of ophthalmic equipment and systems. Mr. Soiseth is a hands-on engineer with many engineering and software tools available to him, all of which contribute to his ability to move from initial design to final, built devices or systems. He was an Engineering Director with Bausch+Lomb and Eyeonics.

Omid Khodai, OD, MS, RAC


Dr. Khodai has provided more than 20 years of expert scientific clinical development advice and leadership for all phases of the clinical programs. He assists in the development of clinical study strategies and reviews clinical protocols and clinical study reports for scientific and operational accuracy.

Tim Nieman


Tim Nieman is founder and CEO of ZIEN Medical Technologies ( He holds a BS in Bioengineering from Arizona State University and has over 23 years experience as a medical device professional and entrepreneur. As an entrepreneur and founder of ZIEN, Tim and his team are currently participating in the success and growth of numerous businesses and expanding to serve companies internationally.

Jeff Lang


Mr. Lang has three decades of experience in large scale contract manufacturing, and his business expanded into a multi-national operation (US, Mexico, and China) via acquisition of off-shore manufacturing business, development of integrated and cross-enterprise information & financial accounting systems. He currently serves as a Senior Advisor and Consultant to Integrated Cable Assembly Holdings, Inc. and has C-level experience with executive management experience as CEO, COO, CFO & CTO of companies from $10MM to $200MM turnover.