ER Ruiz was born Eddy Ramon Ruiz Jr. In Los Angeles, CA, on May Eight. He is the son of Eddy Ruiz Sir, and Mary Mosley, sister to Jack Mosley and his son (boxing champ) "Sugar Shane Mosley". His father is of Nicaraguan descent and his mother originally from Louisiana. Ruiz was raised in South Los Angeles, as a child he was in house fire caused by his little brother from playing with matches. Rescued by his uncle David Mosley (also a well known famous black sketch artist from the 70s). ER began his path readjusting to the new road ahead being more open & creative as rap artist, studying Communications and Theater at Santa Monica College, learning Stanislavski's method acting furthering his training with Ivan Markota at the Van Mar Academy of Acting, landing a reoccurring role of "Gill" on the widely popular FX show "Sons of Anarchy" (2008-2011) In 2012 he appeared as "Marlon" a solider suffering PTS on TNT's "Rizzoli & Isles" followed by NBC's "Parenthood" and a Guest Starring Role in Clint Eastwood's top grossing film "American Sniper" (2015). In 1987, Ruiz sustained severe burns to over 40 percent of his body while asleep from smoke inhalation. Since his recovery ER is actively in involved with various foundations "Alisa Ann Ruch Burn Foundation" "Fire Fighters Quest" and "The Pheonix Society" giving encouragement and guidance by example.