The biggest landlord you don’t know: Meet the 36-year-old behind one of the priciest-ever apartment deals in NYC

Even as he acquired 4,000 apartments over the last dozen years, Josh Gotlib managed to stay under the radar. His $850 million play for one of New York’s most prominent rental towers may finally thrust him into the spotlight. Gotlib, who runs real estate investment firm Black Spruce Management, struck his biggest deal yet by going into contract to buy the American Copper Buildings, twin luxury towers overlooking the East River in Murray Hill. The