Pierre Reynard is a hospital practitioner in the Audiology and Otoneurological Investigations department of Dr. Thai-Van (at Edouard Herriot Hospital in Lyon and Femme Mère Enfant Hospital in Bron) and a researcher at the Paris Hearing Institute (UMR Inserm 1120 EXPLORATION CLINIQUE ET TRANSLATIONNELLE DES SYNAPTOPATHIES AUDITIVES). 
He also specializes in pathologies of the inner ear in adults and children, as well as in exploring central auditory disorders. 
He has been a member of the French Society of Vestibular Physiotherapy since 2020 and is the recipient of the 2023 Ulmer Prize.