Dr. Tien Nguyen is a Deputy Chief System Architect for an International MILSATCOM program at The Aerospace Corporation. Concurrently, he is also served as Adjunct Research Professor at California State University in Fullerton. Prior to this, he was a Research Assistant Professor at The Catholic University of America and held many positions at Aerospace: Principal Technical Staff, Associate Director, Interim-Director, Section Manager. From 2004 to 2014, he was at Raytheon and served as Engineering Fellow and Program Area Chief Engineer; and 2014 – 2015, he was at Intelligent Fusion Technology and served as a Technical Advisor for the CTO. During 1985 – 1996, he was a NASA representative for Consultative Committee for Space Data Systems (CCSDS). Many of his works became CCSDS standards. He received his Ph.D. from Claremont Graduate University. He has received numerous awards from IEEE, NASA, Raytheon and Aerospace, and held 16 patents and one pending, and published more than 250 professional papers, research reports and several book chapters. Presently, he serves as Editor for two books on Systems-of-Systems and Satellite Systems Design to be published in 2021