OUR AWESOME✲ TEAM/


At 4co, we believe that great PROJECT is born from a perfect blend of INNOVATION, strategy, and technical expertise/
2001
Elias Rocha was already featured in the pages of O Globo, one of Brazil’s leading newspapers, as a global pioneer in mobile video streaming. Through the U.S.-based company SolidStreaming, he launched real-time video transmission on cell phones — at a time when the world was still learning what mobile internet was.
2008 / 2009
Elias invested capital and expertise into a mobile app development startup.At just 18–19 years old, Mariana was already leading the engineering team. Together, they completed one of the first age-detection apps, in an era when most had never heard of UX.
2012
Mariana became one of the first developers in Latin America to implement both augmented reality (AR) and virtual reality (VR) in a commercial app with global visibility, applied in logistics and retail systems. That same year, she also received a LEED certification for designing the first green building of a major e-commerce company in Brazil — a project that later became a model replicated nationwide.
2024
MAIA, the first humanized real-time multimodal AI avatar, was launched. Designed to help users manage spending habits through gamification in the face of the climate crisis, it won two Gloobe Awards for Best Clean Technology.
2025
Mariana and Elias were invited to join the G100, a prestigious global network present in over 150 countries, composed of influential and experienced leaders from around the world.Mariana became Country Chair and Elias, Denim Partner, in the wing focused on Renewable Energy and Green Alternatives.
Together, Mariana and Elias bring over 20 years of combined experience in market intelligence, innovation, and applied technology.
we transform
INNOVATIVE IDEAS *into PRODUCTS_&_SOLUTIONS
AI FOR DEVICES

AI FOR HEALTH

AI FOR ENVIRONMENT

AI FOR INCLUSION
