Dr. Robert Langer
From Scratch with Jessica Harris
00:00
Are Ultrasound Contrast Agents Approved?
There are still hardly any ultrasound agents approved. Polaris has been very patient, it's patient capital, understanding that they might not see proceeds for decades. An early company that I was an advisor to for many, many years was Genetech and that came out in the stock market and did fantastic.
Play episode from 14:14
Transcript
Dr. Langer is a chemical engineer who has pioneered the fields of drug delivery and tissue engineering. His 
