Columbia River Gorge NFH Complex Manager
This position is currently vacant.
Spring Creek NFH Manager
Mark Ahrens is the Hatchery Manager of the Spring Creek NFH. Mark
started with the USFWS as an intern in 1995 while attending the
University of Washington. His internship assignments included Dworshak
NFH in Idaho and the Mid-Columbia Fishery Resource Office in Leavenworth,
WA. Mark graduated in 1997 with a B.S. in Fisheries Biology and
a minor in American Indian Studies. He has worked at the Warm Springs
NFH in Oregon and Winthrop NFH in Washington prior to coming to
Spring Creek in January 2003.
Three Fish Culturists: Scott Zirjacks, Mark Doulos and Chris Hankin are responsible for collecting eggs from the returning
adult salmon, care and inventory of the eggs, and the care and feeding
of the 15 million fingerlings before release.
Lead Maintenance, John Meduna operates and maintains the biological filter
system and water circulation through the reuse system as well as
other station maintenance.
Debbie Hogberg is the stations Program Assistant. Debbie tracks the
station budget, pays the bills, does payroll and personnel actions,
and all the other administrative tasks.
Biologist - Mathew Maxey is the current staff biologist.
The station also has an active Information and Education program
under the direction of Cheri Anderson and Jennifer Rowlen. Cheri
came to the U.S. Fish and Wildlife Service in October 1998 after
spending nearly eight years working as an Interpretive Park Ranger
for the National Park Service. Cheri has a B.A. in Education
for Biology and Reading and a B.S. in Wildlife Biology from the
University of Montana. Jennifer has a B.A. in Geography
and Ecology from San Diego State University and an M.S.
in Environmental Education from Southern Oregon State College.
She has enjoyed working for the U.S. Forest Service and various
Conservation organizations prior to joining USFWS.