Marcos began his career by teaming up with a fellow UofC alumni and starting his own company, Bitonic, shortly after graduating. Calgary-based Solium acquired Bitonic in 2002, with Marcos taking on the role of Chief Technology Officer, before taking on successive roles helping the company grow and becoming the CEO of Solium in 2015.
Morgan Stanley bought Solium in 2019. Post-acquisition, Marcos worked to ensure the successful integration of the business as Co-Head of Morgan Stanley at Work, ultimately helping create the largest employee share plan administration business globally. Under Marcos' leadership, Solium's Shareworks platform became a world class product used by some of the largest and most innovative companies, such as Uber, SpaceX, Google, and Shopify, among others, with 900 employees spread across seven countries. He was with Solium from its founding days, writing the initial lines of code through to the global commercialization of a product used by millions of employees around the world. Marcos holds a bachelor's degree in computer science from the University of Calgary, and was the winner of the Ernst & Young Entrepreneur of the Year award for the technology sector, Western Canada.