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Carmen Masciantonio To Succeed John Paro as Hallstar CEO in 2026

Paro will remain chairman and he and his family will retain their ownership position in the company. 

Specialty chemistry supplier Hallstar released leadership succession plans for its global organization. Effective January 1, 2026, John J. Paro, chairman and chief executive officer since 2002, will step away from his CEO role and focus solely on the leadership of Hallstar’s board and his family enterprise. On that same date, Carmen B. Masciantonio, a 25-year Hallstar veteran currently serving as chief operating officer and president of the Industrial Solutions division, will assume CEO duties, ...

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