Mark Jay Meckler (born March 10, 1962) is an American political activist, attorney, and business executive. He currently serves as President of Citizens for Self-Governance and Convention of States Action, and is an active proponent of a convention to propose amendments to the United States Constitution. Meckler was a co-founder of the Tea Party Patriots before resigning from the organization in 2012. From February through May 2021, Meckler served as the interim CEO of social media platform Parler.