John Piorkowski serves as the Chief Engineer and Applied Information Sciences Branch Lead within the Asymmetric Operations Sector at the Johns Hopkins University/Applied Physics Laboratory. He also serves as the chair for the information systems engineering  and co-chair for the data science programs in the Whiting School of Engineering at Johns Hopkins University. 

During his 30 year career, John has led number efforts in the areas of communications, networking, software systems, and data analytics. More recently he has been focused on applications of data analytics and social media analytics.

John received a B.S. in Electrical Engineering from The Pennsylvania State University, an M.S. in Electrical Engineering from The Johns Hopkins University, a Post-Masters Certificate in Electrical Engineering from The Johns Hopkins University with a concentration in Telecommunications, and a PhD  in Information Systems from The University of Maryland Baltimore County.

His hobbies include cycling, running, and swimming.

Education History

  • PhD Information Systems Information Systems, University of Maryland/ Baltimore County

Work Experience

Principal Professional Staff, JHU Applied Physics Laboratory


“Correlating NBA team network centrality measures with game performance” Short Paper at IEEE/ACM SAO ’18 International Workshop on Social Human Behavior Analysis through Online Social Networks. Adam Reed, John Piorkowski, Ian McCulloh

Content feature enrichment for analyzing trust relationships in web forums. In Proceedings of the 2013 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining (ASONAM ’13)

“Content Mining – Toward Automatic Trust Discovery in Web Forums”
International Symposium on Foundations of Open Source Intelligence and Security Informatics FOSINT-SI 2013

“Using Online Identity as a Trust Indicator”, Symposium & Workshop on Measuring Influence on Social Media 2012

“A Text-based Model for Identifying Online Trust Relationships”, AMCIS 2011, best paper nomination

“Risk-based Systems Security Engineering: Stopping Attacks with Intention,” co-author, IEEE Security and Privacy, November-December 2004

“GIG Risk Assessment,” co-author, MILCOM 04, October 2004