Lex Marcos was born and raised in Manila. He studied Painting and Art History at the University of the Philippines, Diliman. His first significant experience in theatre was learning Kabuki and Noh from a Japanese Sensei. His exposure to visual arts, music, and performance has inspired him to pursue a practice in Scenic Design; Lex designed sets in Manila for several years and joined the MFA program in Scenic Design through an invitation from the University of Washington School of Drama, Design. After finishing the degree in 2017, He started designing productions in Seattle and other parts of the U.S.