The 33rd European Congress of Clinical Microbiology & Infectious Diseases (ECCMID), held in Copenhagen, Denmark from April 15th to 18th, 2023, provided a valuable platform for the exchange of knowledge and ideas in the field of clinical microbiology and infectious diseases. Among the distinguished attendees was Professor Gunnar Kahlmeter, a notable figure in the realm of clinical microbiology, who was once the president of ESCMID (European Society of Clinical Microbiology and Infectious Diseases) and Chair of EUCAST (European Committee on Antimicrobial Susceptibility Testing). In an interview with Infectious Disease Frontline, Prof. Kahlmeter shared his insights on his pioneering work and perspectives on antimicrobial susceptibility testing.