1) Petersen, David, 1931- Audio, video, and data telecommunications
2) David Petersen (b. 1977): the author and artist of comics/graphic novels;
3) David Petersen (b. 1946): the author of books on National Parks and related wildlife, nature, countries and continents, dinosaurs, and the books Airports and Airplanes; and
4) David V. Petersen (b. 1964): educator and translator, with degrees in theater studies and psychology.
5) David PetersOn Earth Apples.
6) David Petersen (author, musician, and electronic development engineer; Technical Manager for Vox Ltd. 1981-1984 The Vox Story
7) David Petersen - Let the Church Say Amen
9) David Petersen - Pro Sharepoint Designer