David Dahan was born January 23, 1957 in Casablanca, Morocco. After a hasty departure in 1970, the family came to America and to Las Vegas, Nevada. By 1977, he married an Israeli nurse named Yaffa, who died in 2007. Her legacy is the Yaffa Dahan Nursing Education Fund, which Dahan established to assist outstanding nursing students in their dissertation research.
From 1997 to 1999, Dahan served as the president of the Jewish Federation during which time he led a trip to Russia. He was the past chair of AIPAC (American Israel Public Affairs Committee). In 2007, he was honored as Mensch of the Year at Congregation Ner Tamid.
Dahan has served on numerous local boards, such as: Nevada Restaurant Association, North Vista Hospital, Touro University, Las Ventanas, Henderson Chamber of Commerce, and the Nevada Law Foundation. He has been the recipient of many awards and acknowledgments for his efforts throughout Las Vegas, including the 2005 Person of Influence by In Business Las Vegas.