Alasdair qualified from the University of Cambridge in 1990. Following graduation, he joined Bristol Vet School, first as Intern in Small Animal Medicine and subsequently as Resident in Small Animal Soft Tissue Surgery. Alasdair was a lecturer and latterly Senior Clinical Fellow in Small Animal Soft Tissue Surgery at Langford from 1997 until leaving in 2009. Alasdair was Head of Referral Surgery at Bath Vet Referrals until 2017, when he became a Group Veterinary Advisor for Independent Vetcare and moved his clinical activities to Vale Referrals.
From 2018-2020 he was Chief Medical officer at Concordia Petcare (Shanghai, part of the New Ruipeng Petcare Group) and in 2021 he returned to IVC-Evidensia as Referral Surgeon (Vale Referrals) and Consultant with the Learning and Development team of IVC-Evidensia.