Jeff Lightfield is responsible for the business operations of the Geophysical Laboratory. Prior to joining GL in February 2006, Jeff worked for eight years at Carnegie's headquarters; first as a Financial Accountant and then as the Deputy Financial Manager. Earlier in his career Jeff spent several years working in public accounting and served as the Director of Finance for Citizens Development Corps (CDC). Jeff received a B.S. in Economics from the Wharton School of Business at the University of Pennsylvania and is a Certified Public Accountant.