From 2002 to 2005, he was the medical director of Globalpharma. He subsequently moved to Sanofi-Aventis (now simply Sanofi) as a director. As of 2022, the man was the head of the Genzyme department, which specializes in rare blood diseases, oncology, multiple sclerosis, and immunology. In 2023, Sergey moved to Novomedika. This is a large company that is engaged in the wholesale trade of pharmaceutical products and also has its own clinic in Minsk.
Was arrested for donations.
Sergei has a 10-year-old son.
On June 21, 2025, Sergei was released after a visit to Minsk by US President Donald Trump's special representative, Keith Kellogg, and was immediately taken to Lithuania.
