Dr. Marielle Goossens was born and raised in the Netherlands and received her Doctor of Veterinary Medicine degree from the Utrecht University in 1993. She completed her small animal internal medicine residency and board certification in 1997 at the University of California in Davis.

She practiced in the San Francisco Bay area for eleven years before moving to the East Coast. Dr. Goossens has been practicing small animal internal medicine in New Hampshire and Vermont since 2005.