The Arcady Group has collaborated on several projects with London School of Hygiene & Tropical Medicine (LSH&TM), specifically on cluster randomized trials involving TB patient management in China and South Africa. Our key contact and collaborator at LSH&TM is Katherine Fielding. Katherine is a reader in Medical Statistics and Epidemiology at the London School of Hygiene and Tropical Medicine. In her earliest role at the London School, she served as a lecturer in Medical Statistics and Epidemiology Research fellow in Medical Statistics and Epidemiology and then served as the senior lecturer. Currently, she is a senior statistician and co-investigator on three cluster randomized trials (CRTs) in South Africa and an individually randomized non-inferiority trial conducted in West and Southern Africa.