Oleksiy Antonyuk is a research assistant at Yorktown Institute. From Ukraine, he studies Economics at Yale University in his fourth year. Oleksiy specializes in the defense markets of Central and Eastern Europe, as well as in the study of the Russian military doctrine. He previously interned at the International Republican Institute, the Institute for the Study of War, and multiple Ukrainian government organizations, managing executive projects and conducting defense analysis. His writing was published in Atlantic Council, American Purpose, Yale Daily News, and multiple Ukrainian publications. Oleksiy is proficient in Russian, Ukrainian, Chinese, and English.