Northrop Grumman Corp. has appointed three new vice presidents in its Space Technology sector, the company announced.

Steve Hixson has been named vice president of the newly created Advanced Concepts organization, which was established to meet the growing need for a quick turnaround capability for lower-cost demonstration programs. Hixson has been with Northrop Grumman 24 years and most recently was director of the programs directorate for Space Technology’s programs core process organization.

Timothy Frei will serve as vice president of ISR Business Development, where he will lead the formulation and execution of Space Technology’s ISR market area strategy and head new business pursuits. He also will oversee the architecture, design and development of advanced systems. Frei has been with Northrop Grumman for 23 years and previously was director of engineering operations.

Brian Chappel has been named vice president of Contracts, Pricing and Programs Business Management. Prior to joining Northrop Grumman in 1993, Chappel spent nearly 10 years in the U.S. Air Force, including holding a leadership positions in program acquisition and management at the Air Force Space Division and the Ballistic Missile Office.