As part of her interest in Global health, Dr Kost worked in the Canadian Arctic for over 20 years, performed the first surgical procedure in Northern Quebec, and played an instrumental role in repatriating medical and surgical services to Nunavik in Northern Quebec, Canada.

In 2014 and 2015, Dr. Kost participated in 2 humanitarian medical missions in remote villages of the Himalayas, Nepal in communities accessible only by foot, and without running water.