Jay Kriegel, a real estate executive who came onto the scene as a 25-year-old mayoral advisor and helped Related Companies get Hudson Yards built, died yesterday at 79 due to complications from melanoma in his weekend home in South Kent, Conn., his wife, Kathryn, told The New York Times. His decades of work in New … Continue reading Jay Kriegel, a ‘Mensch’ Who Advised Mayors and Related on Hudson Yards, Dies at 79