Unilever runs a global health and prevention programme in over 90 countries for its 169,000  employees. How? What does Dr Thirumalai (known as Dr Raj) think of the private healthcare services sector? And what changes does he expect in the future? And what does he expect from digital health and AI? Dr Raj is also a non-executive independent director of Apollo Hospitals Enterprise and a speaker at HBI 2018 on April 10-11 in London.