Castagna Realty CEO John Gutleber dies at 71

After developing complications from pneumonia, Castagna Realty Company CEO John Gutleber recently passed away, Long Island Business News reported. He was 71. Gutleber joined the Manhasset-based firm in 1988. He oversaw the purchase, development and management of the company’s various major mixed-use properties including Americana Manhasset, Wheatley Plaza and offices in Garden City. He also oversaw Castagna’s role in a 90-acre mixed-use development named Syosset Park.  He previously managed the office for his family’s brokerage firm, Corwin Gutleber Agency, before joining Marine Midland Bank and then heading up tri-state real estate lending for HSBC. “His expertise, integrity and leadership were integral to the development and success of the company and all of our properties,” said Castagna’s founder, Frank Castagna. “We worked side by side for over 30 years and this is a significant loss to the company and to me and our family personally.” Gutleber is survived by his wife, daughters, stepdaughter, stepson, sisters and brother. [LIBN]