Sebastian Dietzmann is Co-Managing Director at Theresa Warenvertrieb GmbH, Co-Managing Director at NMG Germany GmbH, Chief Operating Officer at MYT Netherlands Parent BV and Co-Managing Director at mytheresa.com GmbH.

Mr. Dietzmann previously occupied the position of Vice President-Product Management & Distribution at Product + Concept GmbH, Senior Director & Head-eCommerce Services at eBay Enterprise, Inc. and Senior Director-Business Management at GSI Commerce GmbH.