Massachusetts Procurement Technical Assistance Center


Staff Profiles


Peter CokotisPeter Cokotis has over 15 years of contract management experience in the aerospace and defense industry, primarily with United Technologies Corporation. Peter joined the Massachusetts PTAC in 2000.

Peter worked directly on multi-million dollar contracts with the United States Air Force and other Department of Defense agencies as well as major aerospace companies such as Boeing, Lockheed Martin, Northrop Grumman and Orbital Sciences. While working at United Technologies Corporation, Peter was a three-time recipient of the Employee Recognition Award for his dedication and efforts contributed to special projects. In 1988, United Technologies presented him with a Special Award for the design, development and implementation of a customer quotation tracking system which improved response time for customer proposals.

Peter received his MBA from Western New England University, located in Springfield, MA. He is currently a member of APTAC, NCMA, and the DoD Northeast Regional Council for Small Business Education and Advocacy.



Sandra LedbetterSandra Ledbetter has over 25 years of business development experience. Her specialty is government contracting and aerospace sales.

Prior to joining PTAC in January 2001, Sandra handled government, export and all U.S. sales east of the Mississippi for a large New England aerospace contractor. She was also responsible for the company’s Small Business Outreach Program and was the appointed Small Business Liaison Officer (SBLO). From 1987 to 1998, Sandra was the director of the SW Michigan PTAC. During her administration, Sandra’s 300 clients reported winning 4,744 government contracts totaling over $173 million. These awards directly created and retained over 4,513 jobs. 

Sandra received a BA in Psychology from Adrian Methodist College located in SE Michigan. She has furthered her education, taking business, computer and government marketing courses from Marquette University (Wisconsin), Eastern & Western Michigan Universities and at numerous community colleges. She has also participated in a one-year leadership training program sponsored by the Kalamazoo County Chamber of Commerce and received certification for completing a national economic development program for business leaders taught by Western Michigan University, Economic Development Institute. Sandra also attended a series of intensive export training sessions taught by the premier Thunderbird Institute. 

Sandra remains an active member of the Association of Procurement Technical Assistance Centers (APTAC) and prior to her move to Massachusetts was a longtime member of the West Michigan Chapter of the National Contracts Management Association (NCMA), a board member of the Michigan Technical Assistance Centers (MTAC), and an active participant and board member of the Optimist International Service Club.

Sandra resides with her husband and a variety of pets. In her spare time, she and her husband are renovating and landscaping their historic cottage.