[5][6] During the 45-minute meeting, Do Hoang Diem urged the president to increase pressure on Vietnam to respect human rights and asked for the United States to support openly democratic forces to bring change to Hanoi.

[7] During Nguyen Minh Triet's visit to the US, Do Hoang Diem also met with House Speaker Nancy Pelosi shortly before her meeting with the Vietnamese president to stress the importance of raising the issue of Vietnam's poor human rights record.

[8] On March 12, 2008, he appeared before the U.S. Senate Foreign Relations Committee's subcommittee on East Asian and Pacific Affairs to encourage lawmakers to call for the release of imprisoned activists in Vietnam including several Việt Tân members.

[9] He told the Senate panel: "After more than 50 years in power, for the first time, the Vietnamese Communist Party is facing numerous and unprecedented challenges to its rule.

[15] During 2013 Conviction of 14 Vietnamese Dissidents, he also appeared on public media including Saigon Broadcasting Television Network as well as Al Jazeera to speak out against this "blatant crackdown.