[6] In 2004, Mints founded the O1 Group investment company, which owns and manages assets in real estate and financial sectors.
[13] Mints is one of many "Russian oligarchs" named in the Countering America's Adversaries Through Sanctions Act, CAATSA, signed into law by President Donald Trump in 2017.
In June 2019, CBR managed Otkritie petitioned the High Court in the UK to freeze $572 million of Mints' assets, including a mansion in Perthshire, Scotland, known as the Tower of Lethendy.
The court agreed only to an injunction prohibiting Mints and his three sons from disposing of assets, including the mansion and ordered Russian authorities discontinue claims in Russia and Cyprus.
[25] An earlier report in February 2019 had stated that the banks were alleged to have sustained "losses from purchasing large amounts of O1 and Otkritie Holding assets".
[26] In November 2019, Mints filed a counter claim alleging Russian authorities have organized and planned a campaign against him and his business that lead to a loss of $650 – $950 million.
[27] According to the FT report, "Mr Mints and his sons deny committing fraud and are contesting the allegations in arbitration proceedings in London".
[30] Mints serves as chairman of the board of trustees of the Conference of European Rabbis,[31] which is the primary Orthodox rabbinical alliance in Europe.
[33] He is president and founder of the Boris Mints Institute for Strategic Policy Solutions to Global Challenges at Tel Aviv University.
[36][37] Mints is a member of the board of governors of Tel Aviv University[38] and was the first recipient of the Vladimir Spivakov International Charity Foundation's Miloserdiye (“Mercy”) prize, recognizing public figures for their commitment to humanitarian values.
[41] Based on his collection, Mints created the private Museum of Russian Impressionism in Moscow in the building of the former confectionery factory "Bolshevik".
The construction of the exhibition building at the Bolshevik site, based on a design by John McAslan + Partners, cost $16.5 million.
I speak out categorically against Russia’s invasion of Ukraine.”[43] His social media posts condemning the war made national news.