bradnee chambers (19 july 1966 - january 23, 2019) was an expert on international environmental governance, law and politics. in march 2013 he was appointed as the executive secretary of the convention on the conservation of migratory species of wild animals (cms), a main united nations multilateral conservation treaty he was also the acting executive secretary of the gorilla agreement and the agreement on the conservation of small cetaceans in the baltic, north east atlantic, irish and north seas (ascobans) both administered under the un environment programme. these agreements form the global framework for conservation of wild animals migrating between countries. the agreements cover an immense scope of wildlife including whales, dolphins, sharks, elephants, big cats (e.g. cheetahs, snow leopards), bats, monarch butterflies, saiga antelope, waterbirds (e.g. ducks, geese, flamingoes), and migratory fish (e.g. sturgeons, the european eel).