Ondrej Prostredník is an evangelical theologian. In his academic work, he focuses on ethics in the New Testament. He is an editor and author of several publications concerning extremism, its roots, and how to precede it in a religious environment. He also writes about the relationship between the church and the state. In his work as a politician, he focuses on the religious neutrality of the state and the protection of the human rights of minorities.
He currently works as a missionary worker at the Bratislava Stare Mesto Congregation of the Evangelical Church of the Augsburg Confession (ECAV) in Slovakia. Occasionally he works as an interpreter for several EU institutions. His previous activities included a position as an associate professor at the Comenius University in Bratislava, General Secretary of the Ecumenic Council of Churches in Slovakia, and a secretary for the Lutheran World Federation in Geneva.
In 2018, he received the Human Rights Award from the United States Embassy. In 2020, he received the award for freedom in the church from the Herbert Haag Foundation.