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Mr. Silvestrini has worked in research and development for 25 years beginning at Pfizer where he managed the development of specialty polymers, pharmaceuticals and medical devices, creating minimally invasive surgical implants and treatments in over ten surgical specialties. He joined his first start up in 1990 as VP of Research and Development for KeraVison, leading the first successful effort to develop the only FDA approved corneal implant. He founded Addition Technology in 2001 which was purchased by AJL Ophthalmic SA and sells a corneal device to treat Keratoconus. Tom was the CTO for AcuFocus, the developer of an intraocular lens and a corneal device to treat presbyopia, currently in phase II clinical testing. Tom then became CTO for Transcend Medical, the developer of an easy to implant micro shunt to treat glaucoma, currently in phase II clinical testing. Tom has 49 issued patents and 64 pending patents in the medical device field.