Warren began his career in Investment Banking. He moved from South Africa to Toronto, Canada in 1997 where he joined the Mergers and Acquisitions group of Royal Bank of Canada. In 1999 he joined start up OpenLane and as part of the founding management team grew the business over 10 years to be the largest online wholesale marketplace for used cars in North America selling approximately 500,000 vehicles per annum. OpenLane was acquired by NYSE listed KAR Holdings in August, 2011. Warren returned back to South Africa in 2011 where he founded Clear Asset a technology platform which he grew successfully before selling a majority stake in an empowerment transaction. In late 2018, he launched Southern Sky Group with the goal of building the leading vertically integrated Cannabis business in Africa. He lives in Cape Town where he is married with 4 children.