[6][8] She continued her interest in FGM, bringing forward a number of measures aimed at ending the practise during her time as a Minister.

[10][11] She described providing political direction to the National Health Service (NHS) as "a bit like being on a high wire without a net at times, it can be quite exciting" in a meeting with the Tory Reform Group in 2014.

[13] After a Parliamentary debate in February 2015,[14] Ellison signed the Mitochondrial Donation Regulations on 4 March making the UK the first country in the world to legislate for the procedure.

[15] Following the EU Referendum in which she campaigned for Remain [16] Ellison was appointed Financial Secretary to the Treasury in July 2016[17] and in August 2016 she announced that the Government would be proceeding with the Soft Drinks Industry Levy, also known as the sugar tax.

[18] In October 2017 Ellison was appointed as Deputy Director-General for Corporate Operations at the World Health Organization under the leadership of Director General Tedros Adhanom Ghebreyesus.