Ziade started Growth Holdings in Las Vegas in 2008 which grew to a become conglomerate of 24 companies operating in construction, technology, hospitality, education and entertainment.[1][4][6][7][8] His venture picked up and became the largest real estate business by transaction volume in Nevada with offices in Europe, Japan, and the Middle East.[6] In response to ecological concerns, Ziade partnered with Tesla to advocate for, and develop environmentally sustainable housing with emphasis on efficient use of preexisting technologies.[6] Ziade businesses expanded to provide green, energy and financially efficient hospitality services;[6] his subsidiary companies develop upscale, Tesla technology-powered housing.[9][10]