Yet her understanding of the difficulties of programme-making means she is widely respected and well liked by producers inside and outside the BBC, because she remains close to the creative community.
Interviews and focus groups broadly covered the following areas: objectives of the CHWs programme, view of the programme's progress in the reality of the districts where it was implemented, positive aspects, critical points and difficulties of the programme (or of the CHWs' work), and perspectives about the continuity or suggestions to improve the programme.
Decentralised programmes depend on the dedication of clinic-based staff, who deserve encouragement, regular clinical updates and feedback about the successes, not only the difficulties, of the programme.
The difficulties of transferring programmes across cultures and populations were apparent from the systematic review.
The programme included some progressions whereby the intensity and difficulty of the programme varied, beginning with less strenuous tasks and progressing in difficulty.
"We have access to some of the most senior people in the business, so before we design a programme we take it out to the industry to make sure we've got it right and it's relevant," says principal Gavin Shreeve who says he makes no apology for the rigour and difficulty of the programme.
Despite the difficulties of identifying specific programme effects, it is unlikely that the contribution of large-scale programmes such as Matching Michigan to the 'rising tide' is trivial.
Carers volunteered an array of anticipated difficulties with the programme contextualized within their own personal circumstances.
Possible reasons explored were: lack of time; unable/uninterested to increase PA; already physically active; not interested in research; do not want to be allocated by chance; length of programme; travel difficulties; individual versus group consultations; and trial equipment.
Most recently Mr Chua mused on the difficulties of distinguishing an MBA programme through print advertising: Flipping through the pages of the Financial Times' annual MBA rankings supplement, I counted no fewer than 3 ads with pictures of snow-capped mountain peaks and clouds, and that's just in the last 8 pages of the magazine.
While the difficulties of establishing national CHW programmes are well described, the reshaping of disease specific and care oriented community services, based outside the formal health system, poses particular challenges.
