From their Google Doc transparency file. "100% of every donation to patients on Watsi directly funds medical treatment - our overhead costs are covered by opti

From their Google Doc transparency file. "100% of every donation to patients on Watsi directly funds medical treatment - our overhead costs are covered by optional donor tips, cause marketing partnerships, and private donors, foundations and corporations." https://docs.google.com/spreadsheets/d/1KQ2uWkJf5-5f34uttGmAhPcQPxmgq8HsnsIfwFr9Do4/pubhtml# https://docs.google.com/spreadsheets/d/1KQ2uWkJf5-5f34uttGmA...