Mat Kerekes (born April 22, 1994) is an American singer and songwriter, best known as the lead vocalist of alternative rock band Citizen, of which he is a founding member. He is also a solo artist and a member of The Flats. Kerekes has cited Third Eye Blind among his greatest musical influences. Kerekes follows a straight edge lifestyle. He is an advocate of animal rescues and has used his music before for fundraising efforts, specifically Toledo's PET Bull Project. He owns two pit bulls.