Northrop Grumman Corporation has appointed Brett B. Lambert vice president, corporate strategy, effective Jan. 26. He will report to Mark A. Caylor, corporate vice president, president of Enterprise Services and chief strategy officer.

Lambert replaces Stanley R. Szemborski who has retired from the company. In this role, Lambert will lead development and implementation of Northrop Grumman's corporate and business focus area strategies, and will serve as the chair of the strategic development council. Lambert joins Northrop Grumman after serving as an executive-in-residence with Renaissance Strategic Advisors, a senior associate at the Center for Strategic and International Studies, and a senior fellow at the National Defense Industrial Association.

Previously, he served as Deputy Assistant Secretary of Defense for Manufacturing and Industrial Base Policy. Prior to his work in the DOD, Lambert spent 20 years working with defense and intelligence firms. He served as executive vice president of DFI International and managing director of DFI Investment Partners. He also worked for the U.S. Department of State at the U.S. Embassy in New Delhi.