 In his career Riekstiņš has also been Head of the Latvian Delegation for Accession to NATO, Chairman of the Advisory Council for Latvia's membership of the World Trade Organization, Head of Delegation of Latvia in WTO talks in Seattle (1999), Doha (2000) and Cancun (2003).He has led the delegation for the U.S.-Baltic Partnership Charter and also been the Head of Latvian delegation for Estonian-Latvian sea border delimitation (agreement concluded in 1997 and ratified), as well as Lithuanian-Latvian sea border delimitation (agreement concluded in 1999, not ratified yet).Riekstiņš has a law degree from the University of Latvia, preceded by graduation of the Faculty of Pedagogy of the Latvian Academy of Sport Education.