Dr Lucille Sarah Singh received her MBChB degree from the University of Pretoria in 2005. She went on to specialize in Internal Medicine and qualified as a Physician in 2012. She subspecialized and qualified as a Clinical Haematologist in 2014. Her post-graduate training was done through the University of the Witwatersrand and its associated training hospitals. She has been in private practice since 2016.She joined the ACT team in Pretoria in February 2022. She is primarily based at Netcare Pretoria East Hospital but also consults Mondays and Thursdays at Life Glynwood Hospital and the Benoni Oncology Centre.

Dr Singh is an active member of the South African Society of Haematology (SASH) and the South African Stem Cell Transplant Society (SASCeTS). Through these societies she advocates for engagement with public and private sector role players to increase patient access to quality care. She serves regularly on the clinical review panel of the South African Oncology Consortium (SAOC).

In her spare time Dr Singh does pottery and loves spending time with her family and traveling.