On October 9, 2019 Ambassador of Sri Lanka to the Russian Federation H. E. Dr. Dayan Jayatilleka, accompanied by Madame Sanja Jayatilleka, attended the All-Russian Youth Forum "Future", organized at the initiative of Mr. Sergey B. Ivanov, Special Representative of the President of the Russian Federation on the Issues of Environmental Activities, Environment and Transport, who previously served as the Russian Minister of Defence, First Deputy Prime Minister of Russia and the Chief of Staff of the Presidential Administration.
H. E. Dr. Dayan Jayatilleka delivered a speech at one of the Forum's sections, entitled "Role of youth in politics and Russia's international affairs" and moderated by International Human Rights Committee Vice President Alexander Ionov. Ambassador Jayatilleka shared his own experience as a young activist and urged the attendees to engage in international affairs through learning, conversation, and communication in order to defend their national interest. H. E. Dr. Dayan Jayatilleka also stressed the concept of internationalism and pointed out the importance of internationalist solidarity in the struggle for a fair and just world order.

On September 30, 2019 Ambassador Dayan Jayatilleka and Madame Sanja Jayatilleka attended the reception dedicated to the 70th anniversary of the foundation of the People's Republic of China and the 70th anniversary of establishment of the Russian-Chinese diplomatic relations. The Reception was hosted by the newly appointed Ambassador of China to the Russian Federation H.E. Chzhan Hanhuei and gathered representatives of the Russian State Duma and the Ministry of Foreign Affairs, political figures and military officials, Russian State authorities and Heads of Foreign Missions to Russia. Deputy Foreign Minister Hon. Igor V. Morgulov, and the leader of the Communist Party of the Russian Federation (CPRF) Gennady Zyuganov were present at the event.

On September 25, 2019 Ambassador Jayatilleka and Madame Sanja Jayatilleka attended the Gala Dinner organized by the Sri Lankan Tea Board to inaugurate the Ceylon Tea Global promotion campaign in Moscow. A large number of guests including high ranking Government Officials, members of the Trade Sector in Moscow, friends and well-wishers of Sri Lanka, media representatives and Sri Lankan nationals were present at the Reception.