Drs. Emily Kierce, Helen Giang, and Shaina Crone flew to Warsaw, Poland in April 2022 on behalf of Sentiero to provide humanitarian aid to Ukrainian refugees. Totaling approximately $15,000, Sentiero contributed $10,000 to the efforts and Drs. Kierce, Giang, and Crone also personally donated and raised a total of $5,000. Below are a few pictures from the humanitarian trip.