Nils Carlstrom was a male Human in the late 24th century, born in 2343 to Gunnar and Helga Carlstrom in Oslo, Norway, on Continental Europe, Earth. He graduated from Starfleet Academy in 2366. His first assignment as a Starfleet ensign was on the USS Enterprise-D. He was a junior security officer, serving under the direct command of Lieutenant Worf. He was said to be a capable ensign, but was very inexperienced and sometimes impatient. One of his interests was classical piano, especially Beethoven. (TNG video game: A Final Unity)