In October 1997, President Clinton appointed Bryant to head the United States' delegation to the 1997 World Radiocommunication Conference, organized by the International Telecommunication Union in Geneva, and accorded him the personal rank of Ambassador.

[3][4] In 2021, John Bryant filed to run for state representative in Texas's 114th district, after being out of politics for 24 years.

Bryant declared, “I am so alarmed at the continued extremes to which the Trump forces have gone in trying to take our country over and now this has arrived in Texas.

[7] In 2023, Bryant spearheaded opposition to a bill in the Texas legislature that would have permitted accessory dwelling units (ADUs) in areas with single-family zoning.

"[8] In 2024, Bryant expressed opposition to legislative proposals to permit greater residential density in single-family neighborhoods.