Contributors are those that engage in discussions in the context of SIO (in alphabetical order):
sivaram arabandi
christopher baker
joachim baran
jerven bolleman
matthew brush
alison callahan
leonid chepelev
kevin cohen
melanie courtot
geraint duck
laura furlong
elisa kendall
tatsuya kushida
luke mccarthy
jim mccusker
jose miguel cruz-toledo
chris mungall
robert hoehndorf
simon jupp
jin-dong kim
dana klassen
thomas luetteke
james malone
chris mungall
david osumi-sutherland
tazro ohta
nuria queralt
stephen reed
alexandre riazanov
matthias samwald
robert stevens
mark wilkinson
karin verspoor
natalia villanueva-rosales