[1] In 2013, Tsouderos joined PwC's healthcare think tank, Health Research Institute, as a director; in 2021, she was named leader of the institute and also began working as a consultant working on COVID and influenza vaccine projects with pharmaceutical companies.
[2][3] Tsouderos also was co-creator and co-host of PwC's healthcare podcast, Next in Health, and recorded nearly 80 episodes.
[6] She has also written an article about Anjum Usman, a doctor in Naperville, Illinois who critics say prescribes supplements and treatments for autistic children which were based in part on inappropriate lab testing.
[7] Another of her articles focused on the suspension of Mark Geier's medical license,[8] as well as, more generally, his use of Lupron to treat autistic children.
[9] Other topics of her reporting include the potential role of XMRV in the etiology of chronic fatigue syndrome,[10] as well as the efficacy of anti-aging creams.