Known best for his political consulting work for Republican candidate John McCain's 2000 and 2008 presidential campaigns, he also advised Republican presidential hopeful Jon Huntsman in preparation for the 2012 election.
He grew up in Kermit, Texas.
He made an appearance in a 2004 political documentary titled Bush's Brain: How Karl Rove Made George W. Bush Presidential.
He raised two children: one son and one daughter.
Following Mitt Romney's defeat in the 2012 presidential race against Democratic incumbent Barack Obama, Weaver spoke out against a spirit of intolerance that he felt was damaging the Republican party.