(written from a Production point of view)
Allan Kroeker (born 10 April 1951; age 68) is a Canadian director who directed thirty-eight episodes of Star Trek. He holds the distinction of directing the final episodes of Deep Space Nine, Voyager and Enterprise. In addition to those three series finales, he has directed eight season finales in total.
He has also directed episodes of Ronald D. Moore's Battlestar Galactica, Wonderfalls, Tru Calling, Jake 2.0, Firefly, both the 1980s and 2000s revivals of The Twilight Zone, Andromeda, Roswell, Charmed, Earth: Final Conflict, William Shatner's TekWar, Grimm, Defiance, Alphas, Covert Affairs, Bones, Pushing Daisies and Supernatural.