Executive Team

Yichieh Shiuey, MD - President and CEO


Yichieh Shiuey, MD is the Founder, President and CEO of KeraMed Inc. an ophthalmology medical device company which develops new devices and implants for corneal surgery. Dr. Shiuey graduated summa cum laude and Phi Beta Kappa with a degree in biochemistry from Columbia University, where he performed basic science research in the laboratory of Nobel Laureate Martin Chalfie. He received his medical degree from the University of California, San Francisco, where as a medical student his research in the laboratory of Professor Jorge Alvarado helped lead to the development of Selective Laser Trabeculoplasty, a common treatment for glaucoma today. He then completed his residency training in ophthalmology at Harvard Medical School, where he also served as a faculty member and the Associate Chief of Ophthalmology. Dr. Shiuey received the prestigious Heed Fellowship to pursue advanced training in cornea and refractive surgery at the University of Utah, Moran Eye Center. Dr. Shiuey is a practicing cornea and refractive surgeon and served as the Chairman of Ophthalmology at the Palo Alto Medical Foundation from 2001 to 2007. Dr. Shiuey is the inventor of the KeraKlear Artificial Cornea and antimicrobial polymers for use in ophthalmic devices including intraocular lenses. He is the holder of numerous US and international patents.

Yimin Shiuey - C.O.O.


Yimin Shiuey, COO of KeraMed Inc. graduated with a MS degree in Chemical Engineering from Rutgers University. He has worked as a civilian engineer for the US Army in the fields of electronics and weapons analyses. Mr. Shiuey had started 3 companies in the diverse fields of printing, distribution, and Internet services before joining KeraMed as Chief Operating Officer.

Janet Tseng, MD - Medical Director

Janet Tseng, MD attended the Massachusetts Institute of Technology as a Westinghouse Science Prize Scholar. She graduated with a Bachelor of Science Degree in Molecular Biology. She attended New York University Medical School. She completed her residency in Family Medicine at Columbia University Medical School. Dr. Tseng has served as medical director of KeraMed Inc. since 2005.

Brad Mack - Controller


Brad has a BS in Accounting and an MBA in Finance from Fairleigh Dickinson University. He has most recently held the positon of CFO in the printing industry. He has over 30 years’ experience in accounting and finance in various industries.