Richard Holbrooke is best known for his role as a US diplomat and negotiator. He served as the US special envoy on Afghanistan and Pakistan. In this position, he was responsible for overseeing and coordinating US policy in these regions. He played a crucial role in the development of the US strategy for dealing with the Taliban and the fight against terrorism. As the special envoy, Holbrooke worked to facilitate diplomatic negotiations, promote stability, and forge partnerships with regional governments. His expertise and experience in international relations made him a valuable asset in navigating the complex political landscape of Afghanistan and Pakistan. It`s important to note that Holbrooke`s role as a special envoy focused specifically on these two countries and the challenges they presented to US national security interests.