Audio Included In Post. Audio ©2009 WTLC/Radio One. Brian Williams is one of two declared Democrats running for Mayor of Indianapolis in 2011. Williams is a businessman and venture capitalists who invests in start-up businesses. One of those, Obsidian Enterprises, was founded by Tim Durham, friend of local politicians and under investigation by the FBI, SEC and the US Attorney. Williams helped start Durham’s company. In an exclusive interview on Afternoons with Amos, Brian Williams set the record straight about his dealings with Durham. And talked about what faces the next Mayor.