As a result, the size of the company's board was increased to six directors.
The appointment of Ms Reedy as a director is in accordance with the Investor Rights Agreement (IRA) entered into between DHT and BW Group on 20th April, 2017.
Under the terms of the IRA, BW Group is entitled to nominate two persons to the company's board. She became the second person to be nominated by BW Group as a director.
Erik Lind, DHT's Chairman, said: "We are very pleased to have Susan join the DHT board. Her background and experience significantly augment the workings of the board to the benefit of DHT."
Ms Reedy has over 17 years of corporate legal experience. She is currently head of legal - special projects for BW Group and served as deputy managing director & general counsel of BW Ventures between 2011 and 2016.