Sidney Massunaga
Sidney Massunaga is Country Manager for Mexico at Mastercard. Coverage on Merchants Eye includes 1 story, most recently "Mastercard Names Sidney Massunaga as Country Manager to Lead Mexico Strategy" (14 September 2026).
Sidney Massunaga is Country Manager for Mexico at Mastercard. Coverage on Merchants Eye includes 1 story, most recently "Mastercard Names Sidney Massunaga as Country Manager to Lead Mexico Strategy" (14 September 2026).