Sarah Ammermann

Sarah Ammermann is an accomplished professional with extensive experience in consulting, business development, and marketing. Currently serving as the Head of Consulting and Transformation & Change Management, as well as the Head of Business Development & Partnerships at Haspa Next GmbH since December 2018, Sarah has previously held key marketing roles at Telefónica Germany, including Marketing Manager for DSL & Convergence, Prevention & Retention, and Premium & Value Brand from July 2014 to August 2018. Early career experiences include positions at E-Plus Mobilfunk and Mondelēz International, alongside a solid educational background with a Master of Science in Business and Economics from Lund University and a Bachelor of Business Administration in International Business from Hanze University.