Roseanne is Health Policy Actuary with Discovery Health and an adjunct professor in the School of Statistics and Actuarial Science at the University of the Witwatersrand. She is also the immediate past president of the International Actuarial Association.

Roseanne has over 28 years of experience in the South African health care and employee benefits field. Her current role involves industry engagement at a high level including with regulators, government, civil associations, industry bodies and supranationals. She has participated in the Nedlac engagements on National Health Insurance (NHI) as well as presenting evidence and analysis to the Health Market Inquiry (HMI) of the Competition Commission. She was been a member of the B4SA funding workstream working on the vaccine roll out programme in 2021/22 and a member of the Covid-19 working group of the Actuarial Society of South Africa.

Roseanne served as the President of the Actuarial Society of South Africa for 2016-7 and was previously chair of the healthcare committee and NHI task team. She is a regular presenter at industry events and has published papers on topics including disease management, social security and ethical decision making.