About Us


Sandra DiCosola — Owner and Executive Consultant

Sandra DiCosola has helped large and small businesses succeed at each stage of the government contracting lifecycle for over 30 years.  She spent her first 15 years working in estimating, pricing and contracts management for government contractors such as Williams International, Northrop Corporation, Defense Systems Division and ADA Technologies, Inc.   Since 1997 Ms. DiCosola has specialized in the Small Business Innovation Research (SBIR) and Small Business Technology Transfer (STTR) programs and has worked on over 100 proposal projects.  Ms. DiCosola has assisted well over 100 technology companies with every stage of government contracting and grants management with awards ranging from $100,000 to several million.  Ms. DiCosola also has assisted numerous businesses to obtain and manage GSA Schedule Contracts. Ms. DiCosola holds a Bachelor of Science degree with a major in finance from Roosevelt University, Chicago, Illinois.  She is a long time member of the National Contract Management Association and past President of the Tucson, Saguaro Chapter.


Leon Radziemski Ph.D. – Summit Senior Technical Proposal Reviewer and Executive Consultant

SA visit no flash LJR 6-28-2013 004 (1)Dr. Radziemski is also President of Piezo Energy Technologies, LLC.  He spent 16 years as Staff Physicist and Project Manager at Los Alamos National Laboratory and twelve years at Washington State University where he interfaced with the hi-technology materials, computer science, and biotechnology communities. Radziemski has had considerable experience writing successful R&D proposals to the DOE, the NSF and NIH. He reviewed proposals for four years at the Research Corporation, a foundation for the advancement of science.

James Vickers – Executive Consultant

imgA1James is currently an Executive Consultant for Summit Contract Management in Tucson, AZ. He has over 30 years experience in acquisitions and contracting, including major acquisitions, contract claims, international contracting, contracting processes, and Value Engineering.  He recently retired from Raytheon Missile Systems where he served as Director of Contracts for Advance Security and Directed Energy System Product Lines for Raytheon Missile Systems (RMS) in Tucson, Arizona. Prior to this position, he led the Export Licensing group and spent 13 years on the AMRAAM program. He led RMS Value Engineering efforts as well as contract compliance efforts including new initiatives.  He is a frequent speaker on Value Engineering and Shared Savings, and Government contracting regulations initiatives and other acquisition issues.