Abul Hasan Chowdhury was born in Dhaka on April 15, 1951. His father Mr. Justice Abu Sayeed Chowdhury was President of Bangladesh after independence.

Mr. Abul Hasan Chowdhury, popularly known as Kaiser, matriculated from St. Gregory’s High School in 1968 and obtained M.A. from Oxford University in 1976.

He was elected for the first time in the Parliament in 1991 as a candidate of Bangladesh Awami League. At that time he played a very important role as a Whip of the Opposition Party. He resigned from the parliament on 28 December 1994 due to the intensification of the demand for a neutral Care Taker Government, the movement that started in 1993. Thereafter he played a very important role in opposition movement, particularly in organizing international public opinion in favor of the movement. He was elected International Affairs Secretary of Bangladesh Awami League in 1997.

Mr. Chowdhury was re elected by popular vote as a member of the Parliament from Tangail-1, Madhupur constituency in the general election held under the Care-Taker Government on June 12, 1996.

Thereafter he was inducted in the cabinet as State Minister for Foreign Affairs, Government of Bangladesh, a position he held up to 2001. 

He visited England, France, Italy, Germany, Switzerland, USA, Malaysia, Thailand, India, China, Australia, Japan, Pakistan and many other countries of the world.

Mr. Abul Hasan Chowdhury accompanied the Hon’ble Prime Minister Sheikh Hasina during her official visit to Washington. He was present at the Oval Office meeting with President Clinton.

On two subsequent visits Mr. Chowdhury had exclusive meetings with Mr. Tom Pickering, Hon’ble Dy. Secretary of State and Mr. Richard Armtage, Hon’ble Dy. Secretary of State.

In 2004 Mr. Abul Hasan Chowdhury visited Washington DC and addressed seminar participated by Congressmen and leading officials of the State Department of USA. This seminar was hosted CSIS and supervised by Ambassador Schaffer. During this visit he also spent two weeks as a visiting scholar at the Penn State University. In the summer of 2005 he led a delegation to China which comprised former bureaucrats, bankers and journalists.

He was one of the original signatories of BIMSTEC sub regional grouping, now consisting of Bangladesh, India, Myanmar, Srilanka, Thailand, Nepal and Bhutan.

He did not participate in the Elections held in 2001. Since then he is heading a consultancy firm, known as KNS Consultants Ltd, an associate of Nitol Group a leading business house in Transport and other sectors of Bangladesh.

His hobby is playing cricket, reading and traveling.