2008_07_catsi.jpgThe billionaire owner of Gristedes is getting his ducks in a row for a possible mayoral run in 2009. NY1 reports John Catsimaditis is "hiring staff and launching an exploratory committee," per a letter to the city's GOP officials. Like the current billionaire mayor, Catsimaditis shed his Democratic affiliation for the Republican party. Last year, Forbes listed him at #220 on the Forbes 400, noting his estimated fortune of $2.1 billion. And for reference, Bloomberg spent about $74 million to get elected in 2001.