GR Silver Mining Enhances its Mexican Leadership Team Appointing Ing. Cástulo Molina Sotelo as Country Manager
GR Silver Mining Ltd. appoints Dr. Cástulo Molina Sotelo as Country Manager, Mexico. With 35+ years in mineral exploration, geology, and project management—including key roles at Coeur Mining and Palmarejo mine—he will advance the company’s 2026 initiatives, especially step-out drilling at the Plomosas Silver Project.









