John founded Copernicus Capital Management, LLC in April 2013. Prior to Copernicus, John was the Senior Portfolio Manager responsible for the $400M healthcare portfolio at Weintraub Capital Management, LLC, a multi-strategy investment firm based in San Francisco which converted to a family office in December 2012. At Weintraub, John produced positive returns in twelve out of thirteen years, including the more challenging years of 2008 and 2002. Prior to Weintraub, John worked at Wells Fargo as a credit and fixed income analyst and as a Portfolio Manager in their Asset Management Group. John also worked at Cowen & Company in their Healthcare Investment Banking unit during business scho