D. K. Sachdev is Founder-President, Spacetel Consultancy and Adjunct Professor, George Mason University. He has 60 years of professional experience in the development of satellite and telecommunication systems. From 1978 to 1996, he led INTELSAT’s technology development and spacecraft planning and engineering. Following that, he managed the establishment of the WorldSpace digital radio system and the initial development of system architecture and infrastructure for XM Radio. Since 2000, he has consulted on new and innovative satellite systems and technologies.He was inducted into the SSPI Hall of Fame in 2009. He received the Arthur Clarke Foundation Award in 2003 and the Vikram Sarabhai Award in 1976. He is the author of Business Strategies for Satellite Systems (2004) and the editor of Recent Successful Satellite Systems: Visions of the Future (2017).