One of the big themes in the current presidential race is how decades of free trade have dealt a heavy blow to the U.S.

In March 2011, Leonardo Bonanni was preparing to defend his Ph.D. thesis about Sourcemap, software that lets consumers map every connection of a product supply chain on a digital map, when tragedy struck in Japan.

Whether it’s for performance management or for risk, it’s important to know who your suppliers are and have a close business relationship with them.