Member of the Board of Vapauden liitto, Alternate Member of the Board of Naapuriseura, Editor of Naapuriseuran Sanomat, geopolitical analyst, consultant, former political adviser at the European Parliament, and former Executive Director of Suomalaisuuden Liitto.

He holds a Master of Social Sciences (M.Soc.Sc.) from the University of Turku and a Master of Laws (LL.M.) in International Law from the University of Edinburgh. He speaks eight languages.

Sakari Linden is a candidate in the 2027 Finnish parliamentary elections, which will be held on 18 April 2027.