An edited extract of an interview which is published in partnership with The Australian Strategic Policy Institute.
As a pediatrician, I'm not letting State Department warnings stop me from leading surgical missions.
The short term interests of investors could lead to long term problems in sub-Saharan Africa.
The death of Mozambican opposition leader Alfonso Dhlakama could affect the progress made to end hostilities in the country.
Rebuilding Syria will be complex and costly. But expertise and extensive funds will be in short supply due the geopolitical absence of the US and other Western countries.
Poor countries aren't receiving the most foreign aid. Why? And what should be done?
It's all too easy to miss the point about sex work in areas hit by conflict and disaster. How about listening to the people who experience it?
We don’t care, or possibly dare, to look back five or ten years later to see what happened to international aid projects.
The decision to repatriate migrants is a welcome intervention. But, it fails to consider the fundamental causes.
Most overseas aid workers remain largely cut off from the people they are in emergency settings to help.
After a scandal involving Oxfam in Haiti, the UK government has threatened to withdraw aid money from the charity.
Power imbalances and inequality lie at the heart of the international development industry. But the Oxfam scandal shows that organisations mustn't succumb to it.
Africa’s immediate challenge is to develop closer partnerships with those opposing US President Donald Trump.
There needs to be a more honest debate around the topic of foreign aid – there isn't much evidence in the claim that it's a pressing concern for much of the public.
The US could help solve a global security problem and boost its image abroad by helping willing experts share their cybersecurity knowledge around the country and the globe.
The aid and assistance Britain's Caribbean territories will need to rebuild will make highlight the fault lines in the relationship between Westminster and its former colonies.
Foreign aid can harm as well as help.
A small community health project in north-west Pakistan is showing how UK aid can change lives and perhaps have an impact on national security.
Canada is making a major commitment to foreign aid that will help girls and women. But will its new aid policy have the unintended consequence of shutting doors to other much-needed aid?
President Trump wants to slash global health funding at a time when more investment is needed, not less. This spending can protect Americans – as well as foreigners – from deadly diseases.