Recently appointed as head of the OSCE monitoring mission in Ukraine, Turkish diplomat Ertugrul Apakan brings experience and expertise to the mission, officials and analysts say.
The deal between the Turkish ship builder and Qatar's coast guard will help to strengthen relations between Ankara and Doha.
The mission to safely dismantle the chemical weapons is part of a multi-national effort that is unanimously endorsed by the United Nations Security Council.
On his first visit to Denmark, President Gul called upon Danish businessmen to co-operate with their Turkish counterparts and asked for support for Turkey's EU bid.
A new EU programme will support Turkey's efforts to help refugees in large cities, but experts say further efforts are necessary.
Experts say the UN's Alliance of Civilisations is one way Turkey contributes to peace and co-operation.