Grasso Vecchio graduated from the Universidad Católica Andrés Bello (UCAB), he has a Master's in Comparative Law at Southern Methodist University in Dallas, Texas.
Then he pursued a program in Advanced Management for Bankers at The Wharton School in Philadelphia, and took courses in economics and finance at Boston University.
He started his career in banking in 1976 at Banco Venezolano de Crédito, creating the trust fund department of this institution.
Later he became a vice president overseeing trust funds, corporate banking, and credit, and was appointed executive director, a position he held until 2004.
He is director and co-founder of ICG Consultores and Instituto Latinoamericano de Actualización Profesional (Ilap).