What was the name of the law enforcement organization in the British TV series "The Champions"?

"The Champions" is a British espionage thriller/science fiction/occult detective fiction adventure television series. It was produced by Lew Grade's ITC Entertainment production company, and consists of 30 episodes broadcast on the UK network ITV during 1968–1969. The series was broadcast in the US on NBC, starting in summer 1968.

Agents Craig Stirling, Sharron Macready and Richard Barrett work for a United Nations law enforcement organization called 'Nemesis', based in Geneva. Barrett is a codebreaker, Stirling a pilot, and Macready a recently widowed scientist and doctor.

During their first mission as a team, their plane crashes in the Himalayas. They are rescued by an advanced civilization living secretly in the mountains of Tibet, who save their lives, granting them enhanced abilities, including extrasensory powers to communicate with one another over distances (telepathy) and to foresee events (precognition), enhanced versions of the ordinary five senses, and intellectual and physical abilities reaching the fullest extent of human capabilities.