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[Perspectives] Gabriel Leung: working for a healthier Hong Kong

In 2008, when he was a professor in the School of Public Health at the University of Hong Kong (HKU), Gabriel Leung was invited to join government service as Hong Kong’s Under Secretary for Food and Health. As an academic, he was accustomed to offering policy advice: to being, as he puts it, an armchair critic. “If you’re given the opportunity to practise what you preach and you turn it down”, he points out, “you have very little credibility in remaining an armchair critic”. He took the job. “As a public health physician”, he adds, “your form of clinical practice is doing public health in the real world”.