Gunasekara entered active politics in Sri Lanka during the late 1960s as the United National Party Chief Organiser for the Mahara electorate.
[8] In 2000, during the government of President Chandrika Kumaratunga, Gunasekara was appointed as the first Sri Lankan Ambassador to Poland.
During his time in office, Gunasekara played an important role in promoting Ceylon tea, tourism and strengthening Sri Lanka's diplomatic relations with Eastern European countries.
Gunasekara was a member of several Sri Lankan Parliamentary Delegations to India, Indonesia, Japan and the United Kingdom to strengthen and promote the country's regional and international relations.
Albert Perera was the Chairman and Managing Director of City Cabs, one of the leading taxi companies in Sri Lanka from the early 1950s to the 1970s.