From health insurance to the Iran nuclear deal, the outgoing US president left his mark on the country and the world.
But for how long?
Donal Trump, the new US leader has wasted no time in repealing parts of the so called Obamacare policy, raising questions about what will replace it - and other policies affecting Americans and others worldwide.
So, is the world on the verge of change? And what Obama era policies might survive?
Presenter: Sami Zeidan
Robert Diamond - Former special adviser to President Barack Obama.
Peter Trubowitz - Director of the United States Centre, London School of Economics.
Leah Wright Rigueur - Assistant Professor of Public Policy, Harvard University.
Source: Al Jazeera News