Daniel Paisner

Lieutenant Paisner was a human Starfleet officer who served as a stellar cartographer aboard the USS Voyager in the 2370s. 

After Voyager's return from the Delta Quadrant, Paisner worked on Earth developing a three-dimensional approach to stellar cartography. He received support for his project from Starfleet, who implemented his idea aboard the USS Enterprise-E. He became Chief of Stellar Cartography aboard the Enterprise-E in 2379.