Ivan Callo is an accomplished professional with extensive experience in revenue assurance, consulting, and business management within the telecommunications and healthcare sectors. Currently serving as a Revenue Assurance Specialist at CANCOM Austria since November 2020, Ivan manages a team of analysts and oversees various revenue assurance projects, while ensuring compliance with SOX audit requirements. Previous roles include a consultant at Newcon specializing in interconnection billing systems and data analysis, and a business consultant at GTS Slovakia focused on healthcare information systems. Ivan began a long tenure at Slovak Telekom in 2000, progressing from a Key Account Manager, where major projects included international voice communication for Erste Bank, to a Sales Consultant instrumental in establishing sales channels and processes for business customers. Ivan holds a Master of Science degree in Business Administration from Matej Bel University.
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