Nathan ensures the ThirdLine product is exactly what auditors and management need to be successful. He has been an IT auditor and internal audit data analyst for 15+ years. Before co-founding ThirdLine, Nathan began his career as an auditor for the City of Tulsa where he worked on everything from the police armory to broken-neck giraffes. He then started the data analytics internal audit function at Williams Energy, a publicly traded oil and gas company, where he found vendor overbillings in the tens of millions.