Thekli is an OPAT Consultant at South Warwickshire University NHS Foundation Trust. She is a Consultant Medical Microbiologist, having gained membership of the Royal College of Physicians before completing specialist training in Medical Microbiology and fellowship of the Royal College of Pathologists. She has been a consultant Medical Microbiologist since 2006, initially based at the Coventry & Warwickshire Pathology Network and later at Worcestershire Acute Hospitals NHS Trust as Co-Laboratory Director. In 2021 Thekli joined the expanding OPAT team at Warwick Hospital as the second OPAT Consultant. Her current role is split between OPAT, Infection Prevention Doctor and Antimicrobial Stewardship.