Dr Chrisna completed her MB.ChB degree at Stellenbosch University after which she completed her community service at Tygerberg, and Paarl Hospital.
Between 2005 - 2013 she spent her time training HIV clinics as well as nurses in the Boland area. After realising her passion for helping those with HIV/AIDS, she joined ANOVA Health, an NGO. Also from 2005, she works as a sub-investigator part-time for research studies in Mbekweni. This includes HIV, ARV's, TB, wound studies and now also Autism.
Between 2013 and 2016 she had her own practice for the Slender Wonder Weight Loss Programme and then joined Health Style as the senior doctor for Slender Wonder.
Dr Chrisna Andersen is proud to be a part of the Renewal Institute and consults from the Paarl and Willowbridge branches in the Western Cape.