Tammy graduated from the University of Leeds in 2000 and completed basic medical training in the UK prior to studying for a PhD at Oxford University.  Her research examined the effects of surgical revascularisation on myocardial function and injury and was shortlisted for the Vivien Thomas American Heart Association prize for research into cardiovascular surgery and New Zealand young investigator of the year (2009).  Tammy moved to New Zealand in 2009 where she works as a consultant cardiologist with a specialist interest in heart failure and cardiac imaging.

Tammy also works as the national clinical lead for advance care planning and clinical communication programme at the health and quality safety commission of New Zealand.  The commission are currently promoting shared goals of care in hospitals and Tammy is challenging notions around CPR. She lives in Nelson with 2 free range children, her husband and several chickens.