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Heike Prisack is a seasoned professional with extensive experience in billing, margin assurance, and business process optimization. Currently serving as Senior Manager for Billing & Margin Assurance at Vantage Towers since February 2021, Heike previously held multiple roles at Vodafone from April 1999 to February 2021, including Global Process Lead for B2B Clearing and Interconnect, where responsibilities encompassed financial clearing, standardization, process improvement, and automation. Earlier positions included roles as a Business Process Consultant, Revenue Assurance Senior Analyst, and various accounting coordinator positions, contributing to risk management and compliance. Educationally, Heike obtained a degree from Max-Weber Berufskolleg between 1996 and 1999.