Rehman wrote a joint op-ed in The Times Red Box with Knox Thames, who served as the US state department special advisor for religious minorities during the Obama and Trump administrations, on how the UK and the US can work together to promote freedom of religion or belief around the world
Rehman served as the Prime Minister's Special Envoy for Freedom of Religion or Belief from September 2019 to September 2020.
The full article can be read here.