Tilman Sayer, PhD, currently serves as Team Lead BI Enablement at mobile.de GmbH since August 2022. In addition, Tilman Sayer has been an Advisor and Chief Information Officer at Advanced Logic Analytics Ltd since January 2017. Previously, Tilman Sayer held the position of Team Lead Data & Analytics at Elinvar.de from July 2019 to July 2022 and worked as a Senior Analyst and Financial Engineer at OptiRisk Systems from July 2015 to December 2016. Early in the career, Tilman Sayer contributed as a Consultant & Researcher and Graduated Research Assistant at Fraunhofer ITWM from August 2008 to December 2016. Educationally, Tilman Sayer earned a Doctor of Philosophy (PhD) in Financial Mathematics from RPTU Kaiserslautern-Landau from 2008 to 2012, following a Diplom in Financial Mathematics from the same institution between 2003 and 2008.