Gail Harrison is a Responsible Officer for the National Network of Laboratories, and Technical Manager for CB Forensics at the Defence Science and Technology Laboratory (Dstl). Gail joined Dstl in 2001 as a graduate microbiologist, originally working as a research scientist in a team developing genetic assays to detect dangerous pathogens. During this time she completed a Masters in Medical Molecular Biology, before taking a more operational role in the Chemical and Biological (CB) Analysis and Attribution Capability. Gail has more than ten years’ experience as a Responsible Officer, leading teams to triage, screen and analyse samples for the presence of chemical or biological agents on behalf of UK Government.