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Sonja Hauer de Tancredi has a background in customer service, marketing, administration, accounting, financial management, and supply chain management. Sonja has worked in various companies such as Rovema Latinoamerica S.A, Colegio Alemán Nikolaus Kopernikus, Seguridad Punto Net CA, Bayer, and ABB, gaining experience in handling importations, production, sales, communication with international headquarters, and managing technical teams. Sonja's educational background includes a degree as a Merchant from the Industrial and Commercial Chamber of Munich - Bavaria Germany.