Esteban graduated in 2002 at the Autonomous University of Barcelona (UAB). After working in Barcelona as a general practitioner for many years, he completed his ECVS residency in Paris in 2012, and became an ECVS diplomate in 2014. Esteban has worked in many referrals centres, both in Spain and the UK, and is currently working at Southfields Veterinary Specialists since 2017. His areas of interest are surgical oncology and minimal invasive surgery.