Tyler Mathisen is now Managing Editor of CNBC Business News and the host of 'High Net Worth'. He was originally the co-anchor of such programs as 'Closing Bell' and 'Business Center' before being promoted to the role of Managing Editor. In June 2004 he married Joanne Lamarca, a producer for 'The Today Show' on NBC. Wikipedia*
On the C-SPAN Networks:
Tyler Mathisen has one video in the C-SPAN Video Library; the first appearance was a 2010 Forum.