• JM Beteiligungs GmbH

    Family office & investor

    Completed projects: 21sportsgroup GmbH, IntelliShop AG

  • Embryo Unternehmenskonzepte GmbH

    Incubator & consulting firm

    Current projects: Effit AG
    Completed projects: ABOX42 GmbH

  • 21sportsgroup GmbH

    Until March 2018: member of the advisory board

    On route to becoming the leading multi-channel sports retail platform in Europe, with the 21run, Planet Sports and Vaola brands.

  • Netviewer AG

    Chief Officer Sales, Marketing and Product Management

    European market leader in online collaboration. Sold to US player Citrix Online in 2011. Largest software exit in Germany in 2010.

  • WEB.DE AG / 1&1 Internet AG

    Manager Digital Services

    Germany’s leading e-mail provider with more than 25 million customers. Internet portal business sold to United Internet in 2005.

  • Telefonica Deutschland GmbH

    Sales Director for Midsize Enterprises and Major Accounts

    Largest telecommunications provider in the world. Acquired HighwayOne, mediaways and O2.


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Founder of 21sportsgroup completes exit

14 March 2018, Mannheim, Germany: Mannheim-based founder and entrepreneur Jörg Mayer announces his complete exit from successful sporting goods retailer 21sportsgroup (21run, Planet Sports, Vaola). Following his change from operational management to chairman of the advisory board in 2016, he handed over the reins to his management team in mid-2017. Mayer has now sold all of his shares in the company he founded, held by the JM Beteiligungs GmbH family office, to a consortium of prominent investors. The parties have agreed not to disclose any details of the transaction.

Read the press release (German)