Bank reconciliations, ledgers and financial statements hold no mysteries for Maria Marcela. But how did she develop her characteristic serenity, discretion and effectiveness? Leading treks across mountainous terrain in Argentina. Swimming, rowing and white-water canoeing. Choreographing and performing ballet, Argentine folk dances, tango and flamenco. All these experiences have given her the assurance and self-control that have allowed her to conquer the rocky terrain of accounting.