GMTS Executive Leadership
Bruce Bartlett
Chairman of the Board of Directors
Bruce is a graduate of Bridgewater State University with a B.A. in Mathematics, high honors in Accounting, Bentley College—Certified Public Accountant.
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Benjamin P. Bartlett
President—Technical Services
Benjamin Bartlett plays a critical role in leading Bartlett Group’s operational and technological growth, overseeing company-wide innovation, infrastructure, and strategic development initiatives that strengthen performance across all service lines.
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Mark Sammis
President—HSE & HR
Mark Sammis’ expertise lies in employee selection, retention and on-site customer integration, which plays a pivotal role in setting our company apart from the competition.
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Nathan Dagley
President—GMTS & Tech Services
Nathan Dagley’s emphasis on communication underscores his commitment to optimizing safety, enhancing engineering efficiency and achieving operational excellence within our company.
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Nate Bumstead
HSE Division Director
Nate Bumstead fosters a team-oriented approach, valuing collaboration and cooperation among his colleagues. His technical expertise as a Certified Safety Professional (CSP) further enhances his ability to drive safety initiatives effectively.
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