Dr Siouxsie Wiles is a research scientist with a background in medical and environmental microbiology. She has made a career out of combining her twin passions of bioluminescence and microorganisms. After many years working in the UK, she recently relocated to the University of Auckland. Her research is currently focused on Staphylococcus aureus (the hospital superbug MRSA), Streptococcus pyogenes (the flesh-eating bug) and Mycobacterium tuberculosis. She is not in the pay of Big Pharma.