On je hvaljen i zbog svoje uloge u postizanju mirovnog sporazuma 2005. između separatističkog pokreta Slobodni Aceh i indonežanske vlade, kojim su okončane skoro 30-godišnje borbe.
He has also been praised for his role in brokering the 2005 peace agreement between the separatist Free Aceh Movement and the Indonesian government that ended nearly 30 years of fighting.