Optos, the world’s leading retina company, was so impressed by Derek’s presentation in Dallas that they brought him to Germany two weeks later.
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"At least 25 people just told me that you were the best speaker we have ever had"
- Quinn Lyzun, President, Americas, Optos
"Do you think you could come to Germany in two weeks and deliver the exact same keynote to our European division?"
- Wouter Donders, President, Optos International
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