Ms. Philomena (Phil) Zimmerman is the Director for Engineering Tools and Environments within the Department of Defense Office of the Deputy Director for Engineering. Her portfolio includes Digital Engineering, Engineering Infrastructure, Chief Information Officer collaboration, and model and simulation technical leadership. She supports elements of the Office of the Under Secretary of Defense for Research and Engineering (OUSD(R&E)) related to policy, practice, and workforce development, as well as the R&E use of digital practices. She has a bachelor of science in Mathematics from St. John Fisher College, with an emphasis in Computer Science from Rochester Institute of Technology. She is DAWIA Level 3 certified in Engineering and Test and Evaluation.