Renier is an actuary by training and spent 12 years with the Sanlam Group where he held various roles in mergers and acquisitions, product development, valuations, and financial reporting. He spent the bulk of his time in Sanlam Emerging Markets where he conducted mergers and acquisitions across the African continent and in India. Early in 2017, he established Gaia Private Equity as an offshoot of the Gaia Group to focus on venture capital and private equity opportunities. Renier currently serves as the Managing Director of Gaia.