Theresa E. Wagler has served as chief financial officer and executive vice president of Steel Dynamics, Inc., one of the largest domestic steel producers and metals recyclers in the United States, since 2007 and 2009, respectively. She serves as Steel Dynamics’ principal accounting officer and also has oversight responsibility for company-wide safety, human resources, business development and strategy, and two operating joint ventures. She has held various positions of increasing responsibility since joining Steel Dynamics in 1998. Prior to joining Steel Dynamics, she served as assistant corporate controller for Fort Wayne National Bank and as a certified public accountant with Ernst & Young LLP.