Born in Guayaquil, Ecuador, and based in Europe, Marcjack is a house DJ/producer and resident at Lost Beach Club (DJ Mag #28). Since 2017, he has crafted a vibrant, vocal-infused melodic house sound, releasing music on top labels like Elrow, Nervous, CUFF, Too Many Rules, Cocoa, and Witty Tunes. His hit "The Girl" reached #9 on Beatport's Jacking House chart.

Supported by heavyweights like Jamie Jones, Marco Carola, Michael Bibi, Mau P, and Danny Howard (BBC Radio 1), Marcjack has performed alongside Seth Troxler, Vintage Culture, Wade, and Cloonee. He has featured on radio shows like Roger Sanchez’s Release Yourself and Data Transmission.

Alongside Andre Salmón, Marcjack co-founded Parallel <|>, an international label and cultural project featuring artists like Kevin Saunderson, Carlo Lio, and Jean Pierre. He also collaborated with Amine Edge on "Till It’s Time" (CUFF).