Recommendations Received (5)
"John is the best educator in the Optical Industry! "
"John is certainly one of the best educators in the optical industry. Keep up the great work John!"
Recommendations Given (4)
"SIOS or Santinelli International Optical Supply provides beautiful, high-end optical tools and..."
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"SIOS or Santinelli International Optical Supply provides beautiful, high-end optical tools and equipment. "
"Parts and service on new and used optical equipment. Independent, family owned. I have been..."
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"Parts and service on new and used optical equipment. Independent, family owned. I have been working with JA since 1993 as a student at JSRCC in Richmond VA."
