Chief Information Security Officer, Stryker CorporationDr. Alissa Johnson is the CISO at Stryker Corp., a provider of surgical tools and products. Before Stryker, she served as Deputy CIO for the Office of Administration in the Executive Office of the President. Prior to the assignment, Johnson was Associate VP for the Enterprise Solutions Division at Catapult Technology, responsible for the management and oversight of major contracts within the Dept. of Homeland Security, Dept. of Energy, Transportation Security Agency and the U.S. Commodity Futures Trading Commission. Early in her career Johnson worked at Lockheed Martin as a Deputy CTO & Solutions Architect and began her career with the Dept. of Defense as a Cryptologic Mathematician. She holds a Ph.D. in info tech mgmt., an M.S. in telecoms and computer networks, and a B.S. in mathematics.