Remengesau,, Thomas was born on February 28, 1956 in Koror, Palau.
Bachelor of Science in Criminology, Grand Valley State University, 1979. Postgraduate, Michigan State University, 1981.
Legal researcher Federal District Court, Saipan, Northern Mariana Islands, 1981. Health planner, administration officer Government of Palau, 1982. Public information officer Palau National Congress, 1983.
Senator Second & Third Olbiil Era Kelulau, 1984-1992. Chairman ways and means committee. Vice president, minister administration representative Republican of Palau National Government, 1992—2000, president, 2000—2008.
Chairman Palau/Micronesia Olympic Games Committee, 1990, Compact of Free Association Transition Commission, 1994. Member Presidential Task Force on Political Status Negotiations with United States of America Government, 1991. Chairman Palau Sports Commission, since 1994, chairman disaster plan task force, since 1996.
Palau representative International Monetary Fund, since 1998.