EN
    SS
    GermanyActiveAge 36

    Steffen Sontheimer

    Poker Masters Purple Jacket Winner and German High Roller

    Updated November 2026Sources: Hendon Mob, WSOP.com

    Live earnings
    $13.7M
    WSOP bracelets
    0

    Steffen Sontheimer biography

    Steffen Sontheimer was born on September 13, 1990, in Gernsbach, Germany, and studied industrial engineering at the Karlsruhe Institute of Technology. He made his name online under the screen name "go0se.core!" on PokerStars, where he reached Supernova Elite status, and decided to turn professional after a trip to Canada for SCOOP in 2014.

    He cashed in his first live tournament in 2015 and moved into high roller events in 2016. In 2017 he won the inaugural Poker Masters Purple Jacket as the series leader, including a $100,000 event for $1,512,000 and $2,733,000 in total. In 2018 he won the $250,000 Super High Roller Championships at partypoker's Caribbean Poker Party for $3,685,000, the biggest win of his career.

    Sontheimer co-owns No Limit Gaming with his close friend Fedor Holz and streams for the organization. He has more than $13.7 million in live tournament earnings.

    Career summary

    The 2017 Poker Masters champion and winner of a $3.6 million super high roller title, Steffen Sontheimer is one of Germany's top high roller players and co-owner of No Limit Gaming.

    Steffen Sontheimer poker winnings

    Steffen Sontheimer biggest tournament results
    YearEventPlacePrize
    2018Caribbean Poker Party $250,000 Super High Roller Championships1st$3,685,000
    2017Poker Masters $100,000 No-Limit Hold'em1st$1,512,000
    2017Poker Masters Purple Jacket (series leader)1st$2,733,000 total

    Verified live tournament earnings: $13,700,000+.

    Steffen Sontheimer playing style

    Sontheimer is a modern, theory-based player whose aggressive style was built on huge online volume.

    Business & sponsorships

    Co-owns the esports and poker organization No Limit Gaming with Fedor Holz.

    Why Steffen matters

    Steffen Sontheimer turned from an online grinder into one of the stars of the German high roller generation within a couple of years of his first live cash.

    FAQ about Steffen Sontheimer

    What is Steffen Sontheimer's biggest win?

    He won the $250,000 Super High Roller Championships at the 2018 Caribbean Poker Party for $3,685,000.

    What is Steffen Sontheimer's online screen name?

    He played as "go0se.core!" on PokerStars.

    How much has Steffen Sontheimer won playing poker?

    Steffen Sontheimer has won $13,700,000+ in live tournament earnings.

    How many WSOP bracelets does Steffen Sontheimer have?

    Steffen Sontheimer has not won a WSOP bracelet yet.