Group Management Team

Stephan Zoll is the Group Chief Executive Officer of SIGNA Sports United (SSU) and a member of the Management Board. He joined SSU in 2018. Stephan was the President Online at Sears Holdings from 2016 to 2017; he worked at eBay from 2007, latterly as the Vice President and General Manager for Germany. He started his career as a management consultant at Booz Allen & Hamilton and later at Oliver Wyman, which he left as a Partner in 2007. Stephan is a qualified lawyer. He has a law degree from Ludwig-Maximilian University in Munich, a PhD from the University of Augsburg, and completed the Executive Leadership course at Harvard Business School. He is a keen sports enthusiast and lives in Berlin.

Alex Johnstone has been SSU’s Group Chief Financial Officer and a member of the Management Board since 2021. Alex started his career at Citigroup in London in 2011 in Emerging Markets M&A before moving to New York to work in the Media and Communications Group; his final role at Citigroup before joining SSU was based in London, advising companies in the Technology, Media and Telecom sector. He has an MSc in Physics from Imperial College London. He is a passionate rugby player, skier and windsurfer and has recently taken up road cycling. Alex lives in Buckinghamshire, England.

Philipp Rossner joined SSU in 2018 as the Group Chief Strategy Officer responsible for strategy, M&A, and corporate development and is a member of the Management Board. Before SSU he spent many years at eBay in various senior management roles and as CEO of Brands4Friends. He started his career almost two decades ago as a consultant at Boston Consulting Group. Philipp gained his PhD from WHU Otto Beisheim School of Management, has an MBA from the University of Cincinnati, and a degree from Passau University. He lives in Berlin and is a sports fan: he skis, hikes, and cycles to work.

Thomas Neumann is SSU’s Group Chief Technology Officer and member of the Management Board. He has been with SSU since 2018. He is responsible for technology, data and product. Thomas previously worked as a Partner at Retail Capital Partners AG from 2014 to 2018. He has held several Chief Technology Officer positions in the start-up, retail, and tech sectors. Thomas started his career at Tengelmann in 2004, developing the e-commerce business for one of the company’s divisions. He has an MSc in Computer Science from Fern Universität Hagen. He lives in Dusseldorf and enjoys mountain biking and surfing.

Justine Powell joined SSU in 2022 as the Group Chief Communications Officer after more than two decades in the media industry. She started her career as a journalist at ITN before moving into senior management roles at media organisations including the BBC, CNBC, and Handelsblatt. She has a BA from the University of Bristol, an MA from University College London (UCL), and completed the Advanced Management Programme at Oxford University’s Said Business School. Justine is a qualified ski instructor and an avid ski mountaineer. She lived in London for over 20 years before moving to Berlin in 2017.

Dorit Schindler is the Group Chief People Officer and has worked at SSU since 2021. Dorit joined SSU from Zalando, where she was the Director of People & Organisation. Her career includes working at Boston Consulting Group Digital Ventures on talent development and as Director of Talent & Organisation at Tyco Fire & Security. She also brings to the role experience of having worked in the car and retail industries. Dorit has a degree in Industrial Psychology from the University of Potsdam; she has completed certifications in Business Coaching, Change Management and Organisational Design Consulting. Dorit enjoys sailing, hiking and yoga and lives in Berlin

Tilman Wink joined SSU as the Group General Counsel and Chief Compliance Officer in 2018. Tilman has two decades experience in law having started his career in 2001 in the London offices of Beiten Burkhart. He has also worked at Freshfields Bruckhauser Deringer, Baker McKenzie and at Simmons & Simmons. Tilman has a law degree from the Ludwig-Maximilian-University in Munich, a LLM (Master of Law) from the University of San Diego, and a Licence en droit from the University of Bordeaux. Tilman is a keen road cyclist and likes to run and ski. He has lived in Frankfurt for the last 20 years, with a break of 18-months to work in New York.