sentences:  He is the former Director of Biology Policy for the Federation of American Scientists (FAS), where he worked on control of biological weapons, preparedness for biological, nuclear, and chemical weapons attacks, and the responsible use of science and technology.Previously, Stebbins worked as a legislative fellow for U. S. Senator Harry Reid (D-NV) and as a policy fellow for the National Human Genome Research Institute.He has also worked as a senior editor for the journal "Nature Genetics," and as a science journalist for Reuters.