About us
momox SE is the leading re-commerce company in Europe. We buy used books, media articles and clothing from private individuals at a fixed price. After a comprehensive quality check, the articles are resold via our online shops medimops and momox fashion as well as online marketplaces.
Since it was founded in 2004, more than 400 million items have been sold and sold to more than 50 million customers. In 2025, we generated an annual turnover of 393,5 million euros. We are the world's largest retailer of used goods on Amazon and third on eBay.
We are THE innovative re-commerce leader, making second hand goods fully accessible to everyone and contributing to the protection of the environment.
We are on a mission to save our planet — one second hand product at a time.
Our Values
Facts & Figures
The numbers show what defines momox today: millions of recirculated products, strong structures, and teams that make it all possible.
items
daily
at two locations
employees
Our brands
momox SE is home to the three brands momox, medimops und momox fashion in Germany. momox buys used books, media articles and clothing. After comprehensive quality control tests, the books and media articles are sold via medimops and the clothing via momox fashion, Germany's largest second hand online shop.
Our history
For over 20 years, momox has been evolving recommerce. The key milestones show how the model has developed and expanded step by step.
Senior Management Team
The momox SE business and that of its brands is overseen by a eight-person management team made up of experts from business areas such as marketing, logistics and finance.
Claudia Frese
CEO
Claudia brings many years of experience in the digital industry. She has held leadership positions at eBay and MyHammer AG. As CEO of STRATO AG and a member of the Management Board of IONOS SE, she most recently drove the companies’ growth.
Christian von Hohnhorst
CFO
As Chief Financial Officer, Christian is responsible for momox's finances. Previously, the qualified businessman worked in the same position at Gutefrage.net and StepStone.
Lenia Karallus
Chief Commercial Officer Fashion
Together with the responsible teams, Lenia continues to drive the fashion sector forward. She brings expertise from the Zalando Strategy & Acceleration team and previously led various innovation projects at two strategy consulting firms specialising in e-commerce.
Adam Maschek
CTO
Adam oversees the technological development at momox, bringing extensive experience in the field of E-commerce along with a profound understanding of the latest technologies. Prior to his current role, he served as the CTO at the online furniture retailer Westwing for seven years.
Stefan Klostermann
Chief Commercial Officer Books & Media
Stefan continues to expand the Books and Media division. Previously, he developed digital strategies and business models at Otto, Beiersdorf/tesa and ABB as well as in his own start-ups and for numerous consulting clients.
Tim Kellermann
COO
In his role as COO, Tim is responsible for our two logistics locations in Leipzig and Szczecin, as well as for customer support. Previously, Tim worked for more than 13 years in the logistics division of the MYTOYS GROUP, including more than eight years as Managing Director of myToys Logistik GmbH.
Alexandra Schulz
Chief People and Culture Officer
Alexandra is in charge of the human resources areas of all momox locations as well as matters concerning culture and diversity, equity, and inclusion (DE&I). Before this, she had been in various leadership positions in the HR field for many years, including at Steigenberger Hotels and Galeria Kaufhof.
Mark Batty
Chief of Growth Officer
Mark drives the sustainable growth of momox. With over 20 years of e-commerce experience, including roles at Asos and Boden, he leads international expansion, innovation, and the optimization of the customer journey.