Emilio Rivera, born February 24, 1961 in San Antonio, Texas, is an American actor who played the role of Marcus Alvarez on the FX original series Sons of Anarchy. Making his debut in the series' premiere episode, "Pilot", in the series' first season, Emilio plays the role of the President of the MayansOakland charter. Playing a recurring role through the series' first,
second, third, fourth, fifth, sixth, and seventh seasons, he was a main antagonist in Season 1 and Season 2, and was last seen in the series' finale episode, "Papa's Goods", in the series' seventh, and final, season.
He would go on to play Marcus Alvarez on Mayans MC, a spinoff of the FX original series Sons of Anarchy, and makes his debut in the series' premiere episode, "Perro/Oc", in the series' first season.