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Maria Carolina Serrano Barrera has a diverse work experience in the telecommunications industry. Maria Carolina started their career at Level 3 Communications as an Engineer of Support (NOC) from September 2000 to September 2001. Maria Carolina then joined Groove Media Technologies S.A. as an Account Manager for Clients Equant Colombia (Orange) from February 2003 to January 2006, where they focused on selling telecommunications services and value-added solutions. Maria then moved on to BT Global Services, where they held various roles starting as a Sales Operations Professional from January 2006 to May 2011, responsible for sales analysis, budget control, and management of CRM tools. Maria Carolina then transitioned to an Account Manager from May 2011 to May 2012, where they managed regional accounts, identified sales opportunities, developed business strategies, and coordinated different company departments for proposal development. After BT Global Services, Maria worked at Columbus Networks Corporation as a Customer Service Center Manager from September 2012 to January 2016. Currently, they are working at C&W Business as the Customer Services Center's Director since February 2016. The summary showcases Maria's experience in customer service, sales, account management, and leadership roles in the telecommunications industry.

Maria Carolina Serrano Barrera completed their education history as follows:

From 1994 to 2000, they attended Pontificia Universidad Javeriana and obtained a Bachelor's degree in Electronics Engineering. Following this, from 2001 to 2002, they pursued a Master's degree in Optical Communications and Photonic Technologies at Politecnico di Torino. Their field of study throughout their education was engineering.