He was also vice-president (1964–1970) and then president (1979–1987) of the Estonian Athletics Federation. In parallel Junk worked for the Estonian Ministry of Internal Affairs and wrote for the Estonian sports periodicals Kehakultuur and Spordileht.
He held vice-presidential positions from 1964 to 1970 and then became president from 1979 to 1987 at the Estonian Athletics Federation. During this time, Junk also worked for the Estonian Ministry of Internal Affairs and wrote articles for sports magazines Kehakultuur and Spordileht.