Prior to joining the Massachusetts PTAC, Len was the vice president and director of contracts at TASC, Inc. in Reading, MA. TASC is a company with annual revenues well in excess of $500 million, more than 90% of which consist of sales to the federal government.

Following his eighteen-year tenure at TASC, Len became a senior counselor at the Massachusetts Small Business Development Center (MSBDC) in Salem, MA. While at the MSBDC, he counseled small and minority-owned firms in the art of doing business with federal and state agencies. In that capacity, Len lectured and conducted workshops for the small business owners in the community on the ways to access government business opportunities. Within the first few months of working in this position, he led a client to a procurement which resulted in the company’s receipt of a $5 million award. During that time, Len co-authored the proposal to the Defense Logistic Agency, which led to the federal grant and state funds that finance the operation of the Massachusetts PTAC.

Len lives with his wife in Lynnfield, MA. He has two grown children and enjoys playing golf.

Charles Warner brings over 30 years of contracting experience to the PTAC. For many years, Charlie was legendary as Raytheon’s manager for Small & Minority Business Programs. His responsibilities included the development, coordination and implementation of programs, projects and technical assistance, which supported Raytheon’s Small and Minority Purchasing Program. He also served as Raytheon’s representative to local government and minority organizations.

Charlie has served as president and chairman of the board for the New England Minority Purchasing Council (NEMPC), as a committee member on the National Minority Supplier Development Council (NMSDC), and as chairman of Raytheon’s Black Achievers’ Alumni Association, to name a few. Charlie was the recipient of the 1997 Brian T. Wilson Award given for outstanding service to the NEMPC. This award recognized Charlie’s work in creating new support programs for and building lasting relationships with NEMPC suppliers. In 1997, the NEMPC established the Charles S. Warner Fund in his honor which provides professional development to NEMPC certified suppliers. Started with $5,000, given by a minority supplier, Raytheon matched the initial contribution. Further contribution have since been made by other NEMPC certified suppliers, making its current total over $15,000. In 1999, two NEMPC suppliers were awarded full scholarships to the Amos Tuck School of Business. After retiring from the NEMPC Board in 1999, Charlie joined the PTAC in February 2000.

Charlie and his wife live in Methuen, and he enjoys playing golf.

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

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 College, located in Springfield, Massachusetts. He is currently a member of The Association of Government Marketing Assistance Specialists (AGMAS) and The National Contract Management Association (NCMA).

Daniel Lilly joined the PTAC in October of 1999. His experience includes program management and technology sales management to the government and to Fortune 500 businesses.

Dan spent seven years of his career as state director of the Rhode Island Procurement Technical Assistance Center. During that time, Dan was credited with rebuilding that program into one of the most productive in the region. In 1995, Rhode Island Governor Lincoln Almond proclaimed a November day "Dan Lilly Day" to recognize him for consistently exceeding program goals, improving state purchasing practices and implementing strategy. In 1997, Dan received a "Special Recognition Award" from the Association of Government Marketing Assistance Specialists (AGMAS) to acknowledge his efforts and dedication to strengthening the PTAC program on a national level. He was also recognized for his work in the National Performance Review.

Dan is a member of AGMAS, and served as National Legislative Director for the organization from 1995-1998. He has also been a member of the Rhode Island Council on Logistics Systems and Engineering Excellence and served on their board for one year. Dan is a graduate of Fordham University, Bronx, New York, and holds an MBA from the University of Massachusetts.

In his free time, Dan can often be found sailing with his wife, Jean, or grooming their Newfoundland dogs.

Sandra Ledbetter has over 20 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 Government Marketing Assistance Specialists (AGMAS), 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 in Westborough with her husband, two children and a variety of pets. In her spare time, she and her husband are renovating and landscaping their historic cottage.