Poppy completed an ECVS residency in 2014 and moved to the University of Pennsylvania as a Lecturer in Surgery. She became an ECVS diploma holder in 2015, and moved back to the UK in 2016. She worked in a private referral hospital alongside helping to set up the RVC’s heart surgery programme. She undertook a further 2 year fellowship whilst there and then spent three years at DWR, Cambridge, UK setting up a new heart surgery programme.