Doug Mercado (link is external), an alumnus of Princeton University's Woodrow Wilson School of Public and International Affairs (link is external) and an officer with the U.S. Agency for International Development (USAID), will participate in a live Twitter chat Thursday, Sept. 24, noon EDT, to answer questions about his work in leading USAID's Disaster Assistance Response Team (DART) for the Ebola crisis in West Africa.

To join the conversation, tweet @demerc questions about his work using the hashtag #FungForum. You can follow the conversation here (link is external).