Given the question: Facts:   - clubs: fas usac isidro metapán once lobos    - managerclubs: marte assistant -rrb- marte soyapango santa tecla f.c. -lrb- interim -rrb- de and -lrb- assistant coach -rrb- atletico marte c.d. dragon soyapango el salvador u-17 el salvador -lrb-    - position: midfielder    - nationalcaps: 74    - years: 1986-1987 1999-2001 2001-2005 2004-2005    - height: 1.80 m ftin 0 on    - nationalyears: 1988-2000    - youthclubs: fas    - nationalgoals: 15    - youthyears: 1986-1987      - birth date: 25 november 1969    - fullname: josé guillermo rivera escobar    - name: guillermo rivera    - nationalteam: el salvador    - birth place: san rafael cedros , el salvador    - manageryears: 2008 2009 2010-2011 2011-2012 2013 2013-2014 2015 -    - goals: 55   Based on these bullet points, write a short biography describing the life of guillermo rivera .
The answer is:
he is currently the manager of marte soyapango .