[3] He took a conservative approach using minimal debt and re-invested his profits which enabled him to grow his portfolio steadily and to survive the inevitable downturns.
[4] His brother-in-law Stanley Barry, helped to manage the New York portfolio; his nephews, Justin and Eric Derfner, also worked for the Feil Organization.
[3] Also in 2009, he partnered with George Comfort & Sons to purchase One Worldwide Plaza for $590 million after developer Harry Macklowe turned the property over to his lenders after the real estate crash (Macklowe had paid $1.74 billion for it in 2008); in 2013, they sold 49% of the building to RXR Realty, LLC for $600 million.
[3] In 2011, Feil donated $3 million to the South Nassau Communities Hospital in Oceanside, New York to build a cancer center.
[10] Also in 2013, Feil and his wife Lee donated $5 million to the Peconic Bay Medical Center to open an ambulatory care campus in Manorville, New York.
[11] After his mother's death in 2006, his three sisters accused him of withholding distributions from their father's estate.