Matthias Ullmann has a diverse background in financial services and auditing, with experience spanning multiple roles and companies. Notable positions include serving as a Werkstudent at the Bundesamt für Sicherheit in der Informationstechnik (BSI) from May 2018 to December 2020, where responsibilities included assisting department management and supporting controlling tasks. Subsequently, Matthias gained insights into process optimization during an internship at DFH Haus GmbH. A significant role as a Senior Contractor at Deloitte began in November 2025, following a period as a Prüfungsassistent and Werkstudent at HS-Regio Wirtschaftsprüfung GmbH, focusing on annual audits, consulting, tax advice, and bookkeeping. Additionally, Matthias held a position as a Spezialist Assurance at PwC in early 2024. Educational accomplishments include a Bachelor of Science in Mittelstandsmanagement from Hochschule Koblenz and ongoing Master of Science studies in AuditXcellence at Westfälische Wilhelms-Universität Münster and Ruhr-Universität Bochum.
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