David Gressly, second from left, in South Sudan in 2010. Until recently Gressly was second in command of the U.N. mission in Congo. On May 23, he was appointed Emergency Ebola Coordinator.
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David Gressly, second from left, in South Sudan in 2010. Until recently Gressly was second in command of the U.N. mission in Congo. On May 23, he was appointed Emergency Ebola Coordinator.