Sebastian qualified from the University of Giessen, Germany in 2002 and went on to perform a rotating internship and a surgical internship at the University of Vienna, Austria. Afterwards he did his residency in Small Animal Surgery (surgical specialisation) at the University of Zurich, Switzerland. He became a Diplomate of the European College of Veterinary Surgeons in 2012. 

Following his residency, he worked as a senior clinician at the University of Zurich in Small Animal Surgery. In 2020 he left the University and worked as a senior surgeon in the Tierklinik Aarau West in Switzerland. 

In 2021 he finished his PhD at GCB in Bern about Pathomechanisms in Wobblers Disease. Sebastian joined the faculty team of the Small Animal Clinic at the University of Zurich in 2021 and works in small animal orthopaedics. He also became the head of the clinical infrastructure of the clinic for small animal surgery. Sebastian continued working in Aarau West part time. 

Sebastian has published several book chapters and articles in peer-reviewed veterinary journals and lectures regularly at national and international courses/conferences on small animal orthopaedics. He is currently finishing his habilitation about feline traumatology. 

Karen Perry graduated from The Royal (Dick) School of Veterinary Studies, Edinburgh in 2005. Following a short period in mixed practice, she completed an internship in small animal orthopedics and neurosurgery at Fitzpatrick Referrals in Surrey prior to undertaking a residency in small animal surgery back at the R(D)SVS. Following completion of this in 2010 and achievement of ECVS status in 2011, she joined the Royal Veterinary College, London as a lecturer in small animal orthopedics.

Following four years there she moved to Michigan State University where she is currently an Assistant Professor in Small Animal Orthopedics. She has published widely in the veterinary literature with her main research interests being feline orthopaedics, traumatology and the correction of limb deformities associated with medial patellar luxation.