MSC Industrial Supply Co. announced that current President and COO Martina McIsaac will succeed Erik Gershwind as CEO on January 1, 2026. McIsaac will maintain her role as President.

Following his planned retirement, Gershwind will serve as non-executive Vice Chair of the Board of Directors while Mitchell Jacobson remains the Company’s non-executive Chairman of the Board of Directors.

McIsaac will also join the MSC Board of Directors upon assuming her new role as President and CEO.

Most recently McIsaac oversaw the operational and strategic direction of MSC across Sales, Field Service/Solutions, Category Management, Procurement, Pricing, Supply Chain, Sustainability, and Information Technology.

“I am energized by the opportunities ahead to accelerate growth, build on our strong foundation, and fulfill our mission to be the best industrial distributor for our associates, customers, suppliers, and shareholders,” McIssac stated.

McIsaac joined MSC in 2022 as Executive VP and COO before being appointed President and COO in 2024. Prior to joining MSC, McIsaac served a nine-year tenure with Hilti Corporation, a multinational company that develops, manufactures and markets hardware, software and services for the construction, building maintenance, energy and manufacturing industries.

Most recently, she served as Region Head and CEO of Hilti, Inc. Prior to Hilti, McIsaac held a series of progressively responsible leadership roles with Avery Dennison, a Fortune 500 global materials science and manufacturing company.

McIsaac holds a bachelor's degree in economics from Western University and a master's degree in international business from the University of South Carolina.

MSC is a North American distributor of metalworking and MRO products and services.