Dr. Ken Walker is a senior curator of entomology at the Melbourne Museum. He has worked at Museum's Victoria since 1981. His research interests are in native Australian bees (in particular the family Halictidae) and pollination syndromes (what bee pollinates what plant). He has described over 150 new species of native bees, especially in the genera Homalictus and Lasioglossum and he has several species of Australian bees named after him.