David Brown's work in health and safety is used throughout Australia and New Zealand, and worldwide by IBM. If you want to know more, here is his formal resume and here is an informal one.
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David Brown, workplace psychologist
What I did before this
This resume is taken from the book "Stress Unmasked"

At four years of age I began inventing things, and later graduated as a physicist and psychologist from Sydney University. I taught psychology for seven years, and in 1978 I developed and taught a course called “Learning to Change”. The psychological development of adults has been a keen interest of mine ever since.

I practiced and published as a team member in ergonomics, occupational stress, community health interventions, and visual problems. For a decade I worked at a Government centre rehabilitating people who were suffering pain and stress after industrial and motor vehicle accidents. There I learned about trauma, pain, and recovery.

To mention just one of my significant mentors and friends (others are public figures and I cannot mention them here), Robin Mitchell (occupational health physician) and I have worked together in workplace health and safety since 1982. Robin and I wrote ‘The Pocket Ergonomist” (1985), which has been translated into more than 27 languages in licensed adaptations by IBM, Ericsson, the New Zealand Government and many others. It was originally a workshop training aid.

We made the videotape ‘Fresh Muscles: Preventing Fatigue at Work’ (1986), which is still used throughout Australia and New Zealand (we are finishing an update of the video, for release in February 2003) and we worked on many projects together. Our once radical ideas are fairly much the mainstream view today.

I have been an airline director, and I still do some “business rescue” work, helping people to find what’s really worthwhile about what they’re doing, and helping them to stop doing irrelevant things.

I think that the most important thing I have done is to listen. I have spent thousands of hours in almost every conceivable workplace, talking to people about their jobs, hearing what works for them, exchanging ideas and experiences. So my views about stress and pain come from thousands of life stories, including my own.