The evolution of COSYSMO has benefitted from a diverse range of subject matter experts in systems engineering, software engineering and cost estimation.  Some of these include:

Dr. Barry Boehm, University of Southern California
Jared Fortune, University of Southern California
John Gaffney, Lockheed Martin
Gary Hafen, Lockheed Martin
Cheryl Jones, US Army
Jo Ann Lane, University of Southern California
Dan Ligett, SoftStar Systems
Ray Madachy, Naval Postgraduate School
Chris Miller, US Department of Defense
Don Reifer, Reifer Consultants & USC
Dr. John Rieff, Raytheon
Garry Roedler, Lockheed Martin
David Seaver, PRICE Systems
Garry Thomas, Raytheon (Ret.)
Ricardo Valerdi, Massachusetts Institute of Technology
Dr. Gan Wang, BAE Systems
Marilee Wheaton, The Aerospace Corporation
Steve Wong, Northrop Grumman