In 2014, Angel groups in the Great Lakes region invested more dollars than anywhere else in the country, 17.2 percent of the U.S. total, including angel groups in California (17 percent). This marks the first time a U.S. region other than California led in dollars invested by angel groups since the Halo Report has started to track angel investments. Rob Wiltbank, an author of the report, indicated that the Great Lakes region’s activity was driven by several large investments made by angel groups. The Angel Resource Institute’s 2014 Annual Halo Report data is based on 870 deals totaling $1.65 billion in total rounds including co-investors.