About Us

Leadership Team

As P.J. Dionne Company has grown over the last 30 Years, we have built a leadership team dedicated to delivering the highest level of quality and service to our customers. We also strive to maintain a positive and productive work environment for our 125 plumbers and pipefitters and office staff of 30. Our leadership team includes:

Paul J. Dionne President

As founder and president, Paul brings 35 years of mechanical experience and a deep personal commitment to our customers. He is responsible for strategic planning as well as overseeing day-to-day operations of the company.

Paul still manages a number of projects. From service calls to time-sensitive complex jobs, Paul’s attention to detail ensures customers receive the quality and high level of service they deserve.

Mike Dionne Chief Estimator

Michael joined P.J. Dionne Company in 1994 and quickly rose to Chief Estimator. As Chief Estimator, Michael leads our estimating team and manages bidding and procurement.

Whether conception, design/build or plan and spec, Michael’s technological background, knowledge of the industry and ability to understand client needs allow his department to provide timely and accurate estimates.

Karen McCarthy Senior Financial Manager

Karen joined P.J. Dionne Company in 1993 and immediately made an impact by streamlining internal accounting practices. Karen’s management and financial background has allowed our company to maintain financial stability and concentrate on our core business.

Karen oversees office operations as well as financial aspects and is responsible for all accounting including payables, receivables, contract administration and bonding.

Tom Kosik Project Executive

Tom joined P.J Dionne Company in 2015 as a Senior Project Manager bringing valuable experience to our company. Whether it be a complex design requiring team involvement, BIM coordination guidance, or working with the client directly to assure all facets of their project are tailored to their needs, Tom’s 35-plus years of experience in the New England plumbing industry always proves beneficial.

Tom holds Master Licenses in Massachusetts, New Hampshire, Vermont and Maine.

Dario Correia Project Executive

Dario joined P.J. Dionne Company in 2015 and has advanced from Assistant Project Manager to Executive. Dario brings valuable experience from his previous roles as a mechanical coordinator, prefabrication coordinator and coordination manager to our team. His mechanical engineering background from Wentworth has made an immediate impact on our approach towards technology and improved communication and information flow between our office and field teams.

No matter the complexity of the work, Dario’s problem-solving skills, knowledge of the industry and ability to analyze and implement immediate solutions has set and continues to set new standards for our company.

Chris Hill Project Executive

Chris joined P.J Dionne Company in 2019 to build our HVAC division into a consistent performer in the industry. In this role, Chris oversees all HVAC projects from pre-construction through closeout.

His knowledge of the healthcare, life science and large residential sectors and experience with multiple contract delivery types ranging from IPD through standard plan & spec allows us to pursue and perform on a variety of different projects.

Russell Harrington Coordination Group Manager

Russell began his career as a plumbing coordinator in 2000 and soon became a Coordination Manager. Joining P.J. Dionne Company in 2020 as Coordination Group Manager, Russell oversees the coordination department and assists in the design process from preconstruction review to a completed deliverable product.

Russell’s approach to coordination is based on the philosophy that communication is the key to an effective operation. By establishing solid relationships throughout the coordination process with contractors, designers, and owners, coupled with industry experience and technological knowledge, the P.J. Dionne Company coordination group, under Russell’s management, is well positioned to successfully take on any size project in a timely and efficient manner.

As part of the leadership team of a third generation family owned business; trust, support, and loyalty are the foundational building blocks of the enduring relationships that we have built with our Clients and our Partners.

–Tom Monroe, Chief Financial Officer & Director of Engineering
Elaine Construction