Dennis M. Ahern is an advisory engineer at Northrop Grumman  Corporation. Previously, he taught at Yale University and the  University of Maryland. He was the deputy project manager of the CMMI  Development Team, a co-leader of the CMMI Editor Team, and an author of  CMMI. He is also a coauthor of CMMI® SCAMPI Distilled (Addison-Wesley, 2005). 
 
 Aaron Clouse  is a senior member of the technical staff at the Software Engineering  Institute (SEI). He recently retired from Raytheon Company, where he  worked on process improvement programs for more than seventeen years.  He has a background in electronic engineering and systems engineering  in digital signal processing systems. He was a member of the CMMI  Product Team and is an author of CMMI.
 
 Richard Turner, a  distinguished service professor in the Stevens Institute School of  Systems and Enterprises and a visiting scientist at the SEI, has worked  in industry, government, and academia to improve the development and  acquisition of software-intensive systems. A member of the original  CMMI development team, he has coauthored Balancing Agility and Discipline with Barry Boehm (Addison-Wesley, 2004) and CMMI® Survival Guide with Suzanne Garcia (Addison-Wesley, 2007).
 
