Born and raised in Colombia, Ermahn started doing make-up at a very early age before permanently moving to the United States to pursue his dream of being a Hollywood make-up artist.

He has been the make-up Department Head of all the films he has been honored to be a part of throughout his career; "Jackie Brown" directed by Quentin Tarantino, "Women in Trouble" directed by Sebastian Gutierrez, "Sin City" directed by Robert Rodriguez to mention just a few.

His talent and strong passion for texture, color and aesthetics is best seen in his editorial photo shoots and numerous red carpet events.