Johan “N0tail” Sundstein is a Danish-Faroese esports player, captain and co-founder best known for leading OG to consecutive victories at Dota 2’s The International. Born in 1993 and raised in Denmark, he first competed in Heroes of Newerth before moving to Dota 2. The N0tail competitive biography records his Fnatic, Team Secret, Cloud9 and OG periods. Unlike many celebrity estimates, his financial story has a strong documented base in tournament results, although prizes still do not equal retained wealth.

Sundstein began serious competition as a teenager in Heroes of Newerth, forming an enduring partnership with Tal “Fly” Aizik. Fnatic signed their group, giving him experience of international team play before Dota 2 became his principal game. When Fnatic’s Dota roster dissolved, he passed through Team Secret and Cloud9. A detailed account of the Heroes of Newerth generation explains how those relationships and skills carried into the foundation of OG.

The breakthrough came when N0tail and Fly formed (monkey) Business in 2015 with other players, then adopted the name OG. The new organisation won the Frankfurt Major and developed a reputation for succeeding under tournament pressure. Unlike a player simply contracted by an outside company, N0tail helped establish the team, giving his career both competitive and entrepreneurial dimensions. The history of OG’s formation and first Major documents that origin.

OG’s defining victories came at The International in 2018 and 2019. The first followed roster upheaval and an underdog run; the second made OG the first organisation to win consecutive Internationals with the same five-player lineup. N0tail also won four Valve Majors. Valve’s official International 2018 record and its official International 2019 record anchor the competitive achievement. Gross team prizes were shared and subject to costs and taxes.

N0tail became synonymous with leadership, resilience and the supportive style that allowed teammates to excel. Guinness recognised him as the highest-earning esports player based on recorded tournament prizes from 130 events. The Guinness World Records entry for N0tail is valuable because it provides a dated, independently stated benchmark. Forbes also selected him for its European gaming recognition, reinforcing his influence beyond Dota’s core audience.

OG has worked with major partners, most visibly Red Bull, and N0tail has appeared in branded content. These relationships increase his earning capacity but payments may flow to OG and be used for staff, players and operations. The official Red Bull athlete profile for N0tail confirms the association without disclosing personal compensation. Merchandise revenue likewise belongs first to the operating business, not automatically to an individual founder.

OG is N0tail’s most significant business venture. Co-founding a prominent esports organisation could create value through sponsorships, media, merchandise and competitive operations, but OG is a separate entity. Its revenue, facilities and brand value cannot be treated as his personal bank balance. OG’s official account of the organisation describes its competitive identity and founders. Without a current cap table or transaction, this estimate assigns only a cautious value to his ownership interest.

N0tail has openly discussed purchasing a large property in Portugal that became a home and training base. The BBC’s report from N0tail’s Lisbon gaming mansion describes the 17-bedroom property and its role as a communal esports environment. That reporting supports treating real estate as a major personal asset, while its contents, operating expenses and any financing remain uncertain. OG equipment housed there is not assumed to be personally owned.