Jiří was born and raised in České Budějovice. He played football at a professional level until the age of 21, and transitioned to a coaching role, after a series of injuries.
Jiří completed his bachelor's degree in physiotherapy at the University of West Bohemia in Plzeň in 2017. Upon graduation, he worked as a sports physiotherapist for youth football players at Footbol Club Viktoria Plzeň for 2 years.
He then worked as pediatric rehabilitation physiotherapist for patients with cerebral palsy in Janské Lázně for one year.
From there, he moved to the 2nd Faculty of Medicine in Prague, Charles University, where he completed his master's studies in 2023. He also spent a year in New Zealand to enhance his language and manual skills, as part of his masters’ program.
He currently practices at in the Pediatric Rehabilitation department at University Hospital Motol.
Jiri also teaches rehabilitation and practical skills to physiotherapy students at 2nd Medical Faculty, Charles University. He is a part of the DNS instructor team, focusing on teaching clinical and pediatric courses, both in the Czech Republic and abroad.