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Which speaker or session at the upcoming Inside 3D Printing Conference would you most be interested in seeing?

I would like to see Matthew Di Prima speak at the 3D Printing Politics conference in the session "Economic Impact of Obama Administration Leadership". Mr. Di Palma is a materials scientist at the CDRH of the FDA. As a former regulatory affairs specialist at various medical device manufacturers, who used to be in charge of regulatory compliance with FDA, it would be fascinating to gain an insight to what FDA's current regulatory policies are with regard to 3D printed medical devices.