A number of Silicon Valley leaders have banded together to support a crowdfunding effort to build the first coding academy in Gaza. The campaign, which started December 13, is called #PowerUpGazaGeeks and now has the backing of supporters such as Salesforce chief executive Marc Benioff, author Eric Ries, 500 Startups partner Dave McClure, Y Combinator partner Paul Graham, Techstars’ Brad Feld, and many others.