By Brazil Stock Guide – JSL S.A. (B3: JSLG3) has appointed Guilherme de Andrade Fonseca Sampaio, its current Chief Financial and Investor Relations Officer, as interim CEO starting January 1, 2026, replacing Ramon Alcaraz, who will stay on as shareholder and advisory board member. The 60-day transition will run from November 1 to December 31, according to a filing released Tuesday (Oct. 21).
The company described the move as the start of a new development cycle focused on efficiency, innovation and service customization. Sampaio will continue to hold his CFO and IRO positions during the interim period.
“Guilherme Sampaio assumes the new role with the confidence and support of the Board of Directors and the goal of leading a new cycle of development, adding even more value to the services provided to our clients,” the company said in its statement.
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