This is a family led forum that offers support, resources and campaigning for people detained in assessment and treatment units; secure hospitals; locked rehab units.
The aim is for the people to be released from detention into a home of their choosing in their community.
The British-based group said it expects its pharmaceutical, consumer healthcare and vaccine businesses to grow significantly faster in Asia than in the rest of the world.
Witty has made emerging markets a priority for GSK since taking over in 2008.
GSK has over 700 office-based employees in Singapore and expects an additional 100 roles to move into the country as the headquarters nears completion. Construction is expected to be finished by the end of 2016.
Asia business decisions are currently mainly handled out of London.
Last year, the drugmaker was fined 3 billion yuan ($479 million) in China following allegations in 2013 it funnelled funds to travel agencies to facilitate bribes to doctors and officials. The high-profile case hit GSK's drug sales in the country.
It is dismissing 110 employees in China for misconduct, people familiar with the matter said this month.