Please answer the following question: Facts: - internationalrole: referee - otheroccupation: mathematics teacher - internationalyears: 2008 -- 2008 -- - years: 2002 -- 2004 2004 -- 2011 -- - caption: geiger in 2012 - role: referee referee referee - league: a-league mls nasl - confederation: fifa listed concacaf champions league - birth date: 25 august 1974 - fullname: mark geiger - name: mark geiger - image: referee mark geiger advantage.jpg - birth place: beachwood , new jersey Based on these bullet points, write a short biography describing the life of mark geiger .
A:
mark geiger -lrb- born august 25 , 1974 -rrb- is an american soccer referee for pro , from beachwood , new jersey .he officiates in major league soccer in the united states and canada .he has also officiated in various international matches , including concacaf and the 2014 fifa world cup .geiger was formerly employed as a high school mathematics teacher .