Peter Mark Robinson is an American author, research fellow, television host and former speechwriter for then-Vice President George H. W. Bush and President Ronald Reagan. He is currently the host of Uncommon Knowledge, an interview show by Stanford's Hoover Institution. He is also a research fellow at the Hoover Institution, and a co-founder of the Ricochet website.

A speechwriter is a person who is hired to prepare and write speeches that will be delivered by another person. Speechwriters are employed by many senior-level elected officials and executives in the government and private sectors. They can also be employed to write for weddings and other social occasions.