AVENILO P. AVENTURA, M.D.
ATCSA President 2005-2007
apaventura@phc.gov.ph
+632 929 3826
+632 925 2401 local 3216
EUGENE SIM, M.D.
ATCSA Secretary-General
sursimkw@nus.edu.sg
+65 6735 6580
+65 6735 3308