(b. 2003, Pereira, Colombia) is a stage and film actor–playwright working between New York, Colombia, and France.
 
He graduated from The American Academy of Dramatic Arts in New York (Class of 2024), where he trained under Samrat Chakrabarti, Rachel Botchan, Matthew A. J. Gregory, and David Dean Bottrell. He also studied at Stella Adler Studio of Acting. He is currently developing The Multiverse of Mayonnaise Rizadas and Gatorade—a cycle of interconnected plays that includes CUNT!, The Many Lives of Santiago Molina, Narcissus Re-Imagined, and Mayonnaise Rizadas and Gatorade, the centerpiece of the series.
 
Santiago is a former Resident Artist at La MaMa Experimental Theatre Club (2024–2025 season), where he began developing his debut full-length play, Mayonnaise Rizadas and Gatorade. The first stage of development included a fully attended reading and a sold-out staged preview at La MaMa, with the multiverse slated to premiere between 2026 and 2027.

He has performed with Yoshiko Chuma and The School of Hard Knocks, known for creating performances in both traditional and non-traditional spaces. His collaborations with Chuma include Kinetic Mirrors, Portraits, & Beyond at Theaterlab, Extreme Classics, presented at La MaMa E.T.C., Mark Morris Dance Center, and a private brownstone, and My Dinner with Morgan.

In 2025, he participated in the CONCRETE Immersive Theatre Intensive, working with Stefanie Batten Bland, Dan Safer, and Leslie Kraus to create devised, physical, and immersive performance work.
 
In film, Santiago starred in Stephen Scarpulla’s Saint and directed Las cosas que caen.