He founded his first company, Prizee.com, when he was only 18 years old. Within a few years, his platform, which specialized in organizing award-winning competitions for the general public, was the leader of the French casual gaming sector.
He won 1st Prize in the Deloitte Technology Fast 50 in 2006, for Prizee.coms spectacular growth of 6,577% over 5 years. By the next year, the company was employing 150 people with a turnover of €13.7 million.
In 2012, with 35 million gamers using the Prizee network, Tristan was approached by the international corporation Digital Virgo, which wanted to develop the gaming website worldwide.
The sale was entered into in June.
This sale enabled Tristan to launch Eefficiency, his own investment fund dedicated to startups.
He acquired 20% of Linxo in 2013, which has since become one of the stars of Fintech.
Following another investor round of more than €20 million in 2017, he sold his stake to 3 large financial institutions (Crédit Mutuel Arkéa, Crédit Agricole, MAIF).
In 2013, he founded DomRaider which in less than 2 years become the leading drop catcher (The service of reserving expired domain names) in France. In 2016, the company grew exponentially with its headcount increasing from 5 to 28 employees. In 2017, DomRaider has been accredited in more than 20 countries and has opened its first 3 international branches.
In June 2016, Tristan was voted onto the AFNIC Board of Administration, the French states official .fr registry under the authority of the Minister in charge of the Digital Economy. He seats alongside representatives of the ministries in charge of electronic communications, industry and research.
In 2017, Tristan launched the Turing22 project which includes the extension and renovation of close to 5,000 m2 of next generation offices and coworking spaces in the La Pardieu Technological Zone in Clermont-Ferrand, integrating large lounge spaces with pool tables and table soccer tables, 3 large laid-out terraces, a 100-seat auditorium and a fitness center. Bivouac, the Clermont-Auvergne startups accelerator, which has recently been labelled Frenchtech, is already installed there.