Dr Stepanenko is a former British political activist and candidate for elections to the London Borough of Barnet. Stepan was a member of the Belarusian opposition representative body, the Coordination Council, where he sat on the foreign affairs committee.
Stepan has given evidence to a number of UK parliamentary committees, including on the war in Ukraine, implications of the war for the UK, UK’s stance on Iran, UK Defence, the Wagner group, and other subjects, as well as writing policy briefs and research papers on the topics of defence procurement and British engagement in Eastern Europe and the Pacific.
Stepan is a correspondent for the Kyiv Post, and has also written and commented for the Daily Express, the Mail Online, Epoch Times, the US Sun, Jerusalem Post, and Times of Israel, among others. He also appeared on British national TV and radio, including the BBC, GB News, TalkTV and LBC Radio, commenting on the war in Ukraine, and a range of defence and national security issues.
In August 2024, Stepan was sanctioned by the Russian Federation.