Refentse has a National diploma and Bachelor's degree in Public Relations Management from the Cape Peninsula University of Technology. She completed a Management Development Programme at the University of Cape Town, further supported by a Corporate Affairs Leadership Programme from the University of Cambridge. Refentse started her career at Naspers, one of South Africa's biggest Media Houses at the time, on a graduate training programme as a Cadet at Woman's Value Magazine.
In 2002, she joined the South African Breweries as Corporate Social Investment (CSI) Coordinator where she excelled in driving and implementing CSI and Enterprise Development initiatives. Refentse was appointed Corporate Affairs Manager for SAB North Region in September 2007 where she held the position for eight years. She was a semi-finalist for CEO Magazine's Most Influential Women in Business and Government Awards 2010/2011 and was featured in the second volume of a series of books on South Africa's Most Inspirational Women in 2012.
Joined Airports Company South Africa in February 2015, appointed to Exco in 2015.