Miroslav Kiraľvarga graduated from the Faculty of Natural Sciences, University of P. J. Safarik in Košice 1987. Until 1995 he worked at the Physics Department, Technical University Košice, where for two years he was deputy head of department. During the period 1995 - 1997 he worked in turn for Procesna automatizacia VSZ a.s., VSZ Keramika, s.r.o. (General Director’s Assistant) and VSZ a.s. (Vice President’s Office Director).  Mr. Kiraľvarga was appointed Director of Controlling at Stabilita supplementary retirement insurance company in 1998. Towards the end of 1999 he started work as Senior Manager Personnel and Compensation in the VSZ U. S. Steel, s.r.o. joint venture. During 1998 - 2000 he took the Master of Business Administration program at the University of Pittsburgh, Katz Graduate School of Business. In November 2000 he was appointed GM Compensation at U. S. Steel Košice. In March 2003 he took the Management Academy Program at U. S. Steel in Pittsburgh. In the same year he became Vice President Human Resources at U. S. Steel Košice. In November 2005 he successfully completed the U. S. Steel Leadership Development Program. He was appointed Vice President External Services and Administration in 2007.  Mr. Kiraľvarga has been President of the Association of Metallurgy, Mining Industry and Geology of the Slovak Republic, Vice President of the National Employers Association, a member of the Board of Directors of Stabilita, and President of HC Košice ice-hockey club.  In 2011 Mr. Kiraľvarga relocated to USA and took up the position of General Manager - Global Materials Management and Procurement Support at U. S. Steel headquarters in Pittsburgh. Effective October 1, 2013 he was appointed Vice President External Affairs, Administration and Business Development U. S. Steel Košice and returned to Slovakia. In 2015 he was elected to the position of President of the National Employers Association.

He has research interests on Management and Business Develpment