Marx returned to Northwest Fencing Center after a year as a coach at Duke University .
Marx was fencing master at Northwest Fencing Center in Beaverton , Oregon , until 2008 when he accepted a position as full - time assistant coach at Duke University in North Carolina .
fencing master returned to Northwest Fencing Center after a year as a coach at Duke University .
Marx was fencing master at Northwest Fencing Center in Beaverton , Oregon , until 2008 when he accepted a position as full - time assistant coach at Duke University in North Carolina .