Alexander Kwamina Afenyo-Markin is the Member of the Parliament of Ghana for the Effutu constituency, Central Region. He also serves as a member of the Committee on Defense and Interior Committee in Ghana Parliament. He was the Deputy Majority Leader in the Parliament of Ghana until February 2024 when he was promoted to the role of Majority Leader as part of reshuffle by President Nana Akufo-Addo and the leadership of the New Patriotic Party.