Where are the headquarters of the bank Linnar Viik serves on the board of?
Linnar Viik: Linnar Viik (born 26 February 1965 in Tallinn) is an Estonian information technology scientst. Nordic Investment Bank: The Nordic Investment Bank (NIB) is an international financial institution founded in the mid-1970s by the five Nordic countries: Denmark, Finland, Iceland, Norway and Sweden. Nordic Investment Bank:  NIB’s headquarters are located in Helsinki, Finland.
i don't know