GUSTAVO ORTIZ DÍEZ is Lecturer at the Complutense University of Madrid (UCM) and heads the Small Animal Department at the Complutense Veterinary Clinical Hospital (HCVC) and he works as soft tissue surgeon. He holds a Veterinary Degree (2003) and a Doctorate in Veterinary Medicine (2011) from UCM, as well as a master’s degree in research Methodology from the Autonomous University of Barcelona (UAB) in 2019 and a bachelor’s degree in psychology from the National University of Distance Education (UNED) in 2020. He is accredited by AVEPA, brings expertise soft tissue surgery, acquired through teaching at the university and clinical practice in private settings. His research interests focus on nosocomial infections, particularly surgical site infections, and oncologic and minimally invasive surgery. He serves as the President of AVEPA's Soft Tissue working group, and he is a member of AMVAC (Madrid Veterinary Association for Companion Animals) and VSSO (Veterinary Society of Surgical Oncology).