Sergio Ghidelli is a professional dog trainer with twenty years’ experience, accredited by CSEN and AIECI (the Italian Association of Dog Trainers and Educators), of which he is an ordinary member and coordinator of the Lombardy regional branch. He specialises primarily in behavioural rehabilitation, sporting activities and advanced training. He has worked on projects in collaboration with universities. He also offers consultancy services to various associations and, at the Valbasca Dog Shelter in Lipomo, is responsible for assessments and support for adoptions. He has been involved in several research projects, including the Mirror Project, which was presented via a poster at the Canine Science Forum in Barcelona in 2012, and the DAD Project, of which he is a co-founder, which focuses on training alert dogs for people with type 1 diabetes. He is a CSEN instructor trainer.