Frank graduated from University of Bern, Switzerland in 1991. After completion of his Doctoral Thesis program at the same University he started a residency in veterinary neurology at the Institute of Tierneurologie at the University of Bern under the supervision of Proff. A. Jaggy and M. Vandevelde. In 1995 he achieved the diploma of the European College of Veterinary Neurology. After a couple of years of working in private clinics as neurologist and neurosurgeon, Frank started to build the section of neurology at the Vetsuisse faculty of the University of Zurich. He is teaching clinical neurology to vet students and is Tutor of ECVN residents. In 2009, he completed his Habilitation Thesis on Degenerative lumbosacral Stenosis in Dogs. Frank authored and co-authored articles in peer-reviewed journals and books and is a frequent Speaker at veterinary conferences.