Alenka Borderwijk was a Havenite citizen and an officer of the Republic of Haven Navy.
Holding the rank of Captain, she served as Secretary of War Thomas Theisman's senior military aide. (HH10)
In 1922 PD, she served as the Assistant Chief of Staff to the Grand Alliance Joint Chiefs of Staff for the Republic of Haven, a position that necessitated her promotion to the rank of Rear Admiral. (HH14)