Bogollagama's career in law ran for nearly thirty years, and included serving as legal consultant to the Ceylon Fertiliser Corporation from 1985 to 1993, and legal advisor to the United States government-run Voice of America from 1991 to 1999. He was also Chairman of the Sri Lanka Cement Corporation and Chairman and Director General of the Board of Investment of Sri Lanka.
Political career
As a member of the United National Party, Bogollagama was elected to parliament in 2000 for Kurunegala District, and served the Parliamentary Consultative Committees on Finance, Foreign Affairs, Defence, Industrial Development & Investment Promotion, and Power & Energy. On 12 December 2001, Prime Minister Ranil Wickremesinghe appointed him Minister of Industries. As minister he initiated the "Yuga Dekma", a large industrial fair, in 2002. In 2004 president Chandrika Kumaratungadissolved parliament and removed non-cabinet ministers on 12 February. While in opposition in 2004, he was appointed by a unanimous decision to serve as the Chairman of the Committee on Public Enterprises, an oversight committee of parliament responsible for accountability of public enterprises. Bogollagama switched political allegiance on 18 November 2004, siding with the United People's Freedom Alliance; the President swore him in as the Cabinet Minister of Advanced Technology and National Enterprise Development on the same day. He became the Minister of Enterprise and Development on 23 November 2005. As Minister, he argued in favour of returning Sri Lanka to GMT +05:30 time, which was the official time before 1996. He represented the government of Sri Lanka at two rounds of peace talks with the LTTE at Geneva in 2006. He was defeated in the General Elections held on 8 April 2010, losing his seat in parliament and was not reappointed the cabinet.
Foreign Affairs Career
Bogollagama was acclaimed for the diplomacy he demonstrated when engaging with the international community on promoting investment, tourism, trade and strengthening diplomatic relations, which he did in a constructive and consistent basis as Cabinet Minister of Foreign Affairs.
Family
He is married to Deepthi Samarakone, She is the youngest daughter of Donald Samarakone & Srima Samarakone has three sisters Kusum, Sucharitha and Jayathri. Rohitha & Deepthi Bogollagama have son & daughter. Dhakshitha a BBM graduate in Finance from the Singapore Management University, Singapore and Dr. Dilshani Bogollagama.