William Louis Gilzenberg (October 14, 1901 – November 15, 1978)[1] was an American booker, boxing promoter and wrestler in the New York and New Jersey areas.
Gilzenberg is noted for being the very first on-screen authority at the World Wide Wrestling Federation, becoming the first president of the WWWF in June 1963.
[2][3][4][5] He held the position until his death in 1978,[6] at which point he was succeeded by Hisashi Shinma.
[8] Gilzenberg died from cancer at age 77 on November 15, 1978, in a hospital in South Miami, Florida.
[9] A few weeks after his death, Gilzenberg was inducted by the Veterans Boxing Social Club in Belleville, New Jersey.