Tim Knewitz is Argonne National Laboratory’s Chief Financial Officer and Senior Director of Argonne’s Financial Management and Procurement Services directorate. Tim has extensive experience working with the U.S. Department of Energy and the national lab complex, and is a member of the National Laboratories CFO Executive Council. He was at Sandia National Laboratories for 30 years, where he served as the Chief Financial Officer since 2017. Tim is a Certified Public Accountant. He has Master of Accountancy and Bachelor of Accountancy degrees from New Mexico State University.