Meet our staff; they are veterans in public sector procurement strategy and execution

It’s the close-knit team that makes the Keystone Purchase Network stand out among competing purchasing cooperatives. KPN cuts through the bureaucracy and pays close attention to detail. We take extra efforts to listen to both our customers and our awarded vendors. This excellence is rooted in the sensitivity, knowledge, and experience of these team members:

Jeffrey Kimball

Jeff Kimball has been the leader and innovator of KPN since 1987. As director of cooperative purchasing for the CSIU, Jeff has overseen the growth of KPN from a local cooperative to a regional cooperative to a national cooperative. He has been active in the Pennsylvania Association of School Business Officials for 30 years, having served as board member, committee member, and committee chair. He has also been a thought leader in procurement with the Association of School Business Officials International. In addition, he was a founding member of the Association of Educational Purchasing Agencies, which has now grown to include 26 state cooperative agencies. He serves on the board of directors of AEPA and also heads the association’s nationwide bidding initiatives. Closer to home, Jeff is also active in his community, serving with volunteer stints for local events and the Kiwanis Club.

Carrie Adams

A program assistant for KPN, Carrie came to the purchasing cooperative with experience from the Pennsylvania Governor’s School of Excellence program. With education from Susquehanna University, Carrie gained valuable customer service experience at M&T Bank and Sears, Roebuck and Co. Her work with both business and education prepared her for the day-to-day cooperative administration responsibilities at KPN, along with member services, and bid management.

Sue McDermott

Sue is a accomplished staff member of the Central Susquehanna Intermediate Unit with 27 years’ experience, bringing her capabilities to the Cooperative Purchasing Program for the last two years.  Sue processes co-op membership forms and communicates with new members.  She also processes invoicing and collections for KPN and contracts for legal advertising for KPN and PEPPM.  She frequently represents cooperative purchasing programs at conferences and trade shows.

Cassie Mitcheltree

Cassie came to the Keystone Purchasing Network after graduating from Liberty University where she received special recognition in marketing. She informs school districts and government agencies around the country about the benefits of cooperative purchasing and KPN. Her marketing and trade show efforts position her as a national ambassador for KPN and the concept of lower costs of acquisition through cooperative purchasing.  She is on point for communication with vendors and is a frequent source of support for inquiring members and buyers. 

John Brenchley

As chief innovation officer for the CSIU, John oversees cooperative services, entrepreneurial ventures, and marketplace services including a suite of enterprise software products. With an MBA from Loyola University in Baltimore, John’s business savvy positions the CSIU to offer leading-edge products and services to hundreds of school districts under the CSIU umbrella. He brings 20 years of school experience, having previously served as business manager in a school district and as director of management services in an intermediate unit. Prior to that, John held accounting and finance positions in private industry for nine years.

Mark Carollo

Successful purchasing cooperatives have unique information technology needs. Mark has specialized in an IT niche that requires a comprehensive understanding of technology, networking, ecommerce, database management, and social media.  He is the cooperative purchasing network and systems administrator for CSIU and has managed the infrastructure for cooperative purchasing for CSIU since 1997 after receiving his degree from Bucknell University. He has overseen major changes in technology and web design, while using his knowledge to consult on technology specifications, bidding, and contract management. 

The KPN staff is a group of experienced public sector employees of the Central Susquehanna Intermediate Unit in Milton, Pennsylvania. They are leaders in educational and government purchasing. As purchasing agents, the group solicits bids, evaluates responses, and recommends awards to the agency’s board of directors.


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