Robert Stricker was born in Brno (now in the Czech Republic). He was a cofounder and president of the student Zionist society, Veritas. After moving to Vienna, he edited the official Zionist journal Die Juedische Zeitung. During WW1, he founded the Jewish War Archives. After the War Stricker headed the Jewish National Council and in 1919-20 was a member of the Austrian parliament. He founded the Jewish daily Wiener Morgenzeitung and the weekly Neue Welt.
Originally a strong supporter of Chaim Weizmann, he became disillusioned and joined the Revisionists. In 1933 he co-founded the Jewish State Party. Stricker was a cofounder of the World Jewish Congress and president of its Austrian section. Refusing chances to leave Austria after 1938, he was arrested, sent to concentration camps and eventually he and his wife were gassed in Auschwitz