Shortly after receiving a degree in painting in 2006, Popper began exploring installation and performing art.
In 2010, Popper was commissioned to create a brand activation using puppetry and performance for the FIFA World Cup in South Africa.
In 2012, he was invited by Boom Festival in Portugal to create immersive stage and production design.
Popper was later commissioned to create a memorial statue dedicated to Nelson Mandela at the Nelson Mandela School of Science and Technology in 2014.