Sandra Schallberger qualified in 1998 from the Veterinary School of Bern, Switzerland. After few years in small animal practice in Switzerland, a doctorate in the Radiology Department of the University of Bern and a training in small animal medicine (FVH), she moved on to do a Specialty Internship and a Residency in Small Animal Surgery at Michigan State University, USA.

Following her Surgical Residency, she completed an ACVS Fellowship in Surgical Oncology at University of Florida, USA. She became a diplomate of the American College of Veterinary Surgeons in 2010.

She then returned to Switzerland to work as a small animal surgeon in a large referral practice. In 2019 she set up with a surgeon colleague a small surgical referral hospital in Bern, Switzerland where she still very much enjoys the diversity and fulfillment of her profession.