Carlos Ribeiro is married with 4 children. He has a degree in Economics from Universidade Técnica de Lisboa (I.S.E), a degree in Management from CATÓLICA-LISBON and an MBA degree by the Boston College in the USA. Carlos started his career in management in Texas Instruments in Dallas and then in Oporto. In 1984, he started working at Siemens where he had responsabilities in several areas such as Marketing and Finance. In 1995, he was nominated Chief Executive Officer of Siemens in Portugal, position he kept for more than 20 years, and his team was recognized in 2003 for being the best, inside the Siemens Group.
Along with the position of CEO of Siemens, Carlos was also President and founding partner of a wine-making company and an international business consultancy firm.