Dr. Martin Wittig Chairman of the advisory board

  • Senior Advisor to Bain & Company
  • Former CEO of Roland Berger Strategy Consultants

Leadership Team

Naoya Okada Advisory Board Member

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  • AEON representative
  • CEO of AEON group’s organic supermarket division

Mike Özkan Advisory Board Member

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  • Member of the Management Board SIGNA Retail Selection

Wolfram Keil Advisory Board Member

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  • Member of the Management Board SIGNA Retail Selection

Prof. Dr. Thomas Rudolph Advisory Board Member

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  • Professor at University of St. Gallen since 2000
  • Director of Gottlieb DuttweilerChair for International Retail Management since 2009

Christoph Keese Advisory Board Member

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  • Executive Vice President at Axel Springer SE

Stephan Zoll Chief Executive Officer (CEO)

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SIGNA Sports United was established by the founder-led and entrepreneurial team of SIGNA. As CEO, Stephan joined the mission and team at an early stage and is leading its continuous performance, evolution and transformation. The Hamburg-born manager was the VP and Managing Director of ebay in Germany for many years and served as a member of its European leadership team. He is regarded as one of the world’s leading international E-commerce executives.

Alexander Johnstone CHIEF FINANCIAL OFFICER (CFO)

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Alex is responsible for group finance, capital structure activities and investor relations.

Philipp Rossner Chief Strategy Officer (CSO)

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Philipp is responsible for Strategy, Business Development and M&A for the group.

Thomas Neumann Chief Technology Officer (CTO)

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As CTO of SIGNA Sports United, Thomas is responsible for state-of-the-art technology to support the company’s international expansion plans and platform strategy

Dorit Schindler Chief People Officer

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Dorit is responsible for the group’s human resources strategy to enable the future growth of the organization.

Stefanie Kniepen Deputy CFO

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As our deputy CFO, Stefanie is heading our group wide financial & controlling teams

Simone Kreyer Chief of Staff

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As Chief of Staff, Simone manages and aligns strategic priorities with members of the senior leadership team.

Tilman Wink General Counsel

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Tilman is responsible for the legal affairs of SIGNA Sports United.

Hans Dohrmann MD Bike & Outdoor

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As MD Bike & Outdoor, Hans is heading our Bikester, fahrrad.de, Campz and addnature brands.

Thomas Spengler MD Bike & Outdoor

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As MD Bike & Oudoor, Thomas Spengler is responsible for the areas of CRM, Performance Marketing and Customer Care.

Olivier Rochon MD & Founder Expert Bike

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Olivier is the MD and Founder of Probikeshop, our leading expert bike brand.

Christian Miele MD & Founder Tennis

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Christian started Tennis-Point more than 20 years ago as a small store in the city of Münster, Germany, and is as MD and Founder responsible for the success of the Tennis vertical within SIGNA Sports United.

Sascha Beyer MD Tennis

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Sascha as MD Tennis is in charge of all operations of our Tennis vertical such as logistics, finance, HR, e-commerce, IT and corporate development.

Philipp Majcher MD Teamsports & Athleisure

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Philipp is responsible for all commercial departments, finance and sourcing at Outfitter, Ballside & Stylefile.

Dominic Hoffmann MD Teamsports & Athleisure

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Dominic is responsible for the management and organization of the entire operational processes of our Teamsports & Athleisure vertical.