Author: mcastor

Michael Castor is the author of this blog, “Quintessential.” Michael is also the portfolio manager of the healthcare-focused hedge fund, Sio Capital Management, LLC, which he founded in 2006. Before starting Sio, Michael worked at Bernstein Investment Research and Management from 2001 to 2006 as the firm’s healthcare analyst and as the healthcare sector leader. Prior to Bernstein, Michael worked in the investment banking/equity capital markets division of JP Morgan where he focused on biotechnology and healthcare equity offerings. Before entering finance, Michael spent three years in clinical medicine. He completed his surgery internship at Indiana University Medical Center followed by two years of surgery and otolaryngology residency at Columbia Presbyterian Medical Center in New York. Michael earned a MD from The Ohio State University College of Medicine, where he graduated summa cum laude. He earned his undergraduate degree in biomedical engineering from Tulane University where he graduated summa cum laude with departmental honors.

MRI’s, biopsies and prostate cancer

Getting an MRI might eliminate the need for a prostate biopsy. There is the ongoing controversy over whether men should be screened for prostate cancer (see discussion here). Prostate cancer is very common, however most of the time it stays local and…

Data That is Catching My Eye

Federal Reserve surveys capture sentiment. They are reported monthly. Recently they have moved strongly higher. These moves higher are impressive. Businesses are saying that times are good. That sentiment seems to be reflected in stock markets. As I try to…

Watching healthcare reform unfold

The Affordable Care Act (aka the “ACA,” aka Obama-Care, aka Healthcare Reform) has had an impact on the delivery of healthcare in the U.S. This is a topic (implementation of the ACA) that I think is worth revisiting periodically. This…