John Contestabile enjoyed a 30-year career in Maryland state government, holding a variety of positions including Deputy Homeland Security Advisor, Statewide Public Safety Interoperable Communications Director, and retired as Acting Assistant Secretary of the Maryland Department of Transportation (MDOT). In his career at MDOT, he was responsible for the engineering, procurement, emergency management and homeland security functions. After leaving Maryland State government, he joined the Johns Hopkins University Applied Physics Lab as Program Manager of their Emergency Communications Program. In that capacity, he executed projects with various federal sponsors to include the Department of Homeland Security Science and Technology Directorate, the Cyber Infrastructure Security Administration, the Federal Emergency Management Agency, and FirstNet. After 10 years at JHU/APL, he left to join Skyline Technology Solutions, where he is presently Director of Public Safety Solutions. An engineer by training, he has executed projects related to Geographic Information Systems, Land Mobile Radio, Computer Aided Dispatch, Television Datacasting, Video interoperability and 5G LTE. He has worked with numerous public safety entities ranging from police departments (Houston, NYC, Chicago, Adams Co. IN, Grant Co. WA), emergency management agencies, fusion centers, and Public Safety Answering Points [PSAPs]. He is the author of numerous public safety communications articles, the most recent of which was in support of JHU/APL preparing the DHS CISA “Information Sharing Framework” report published in the fall of 2021.