Hayaatun Sillem. Dr. Hayaatun Sillem  (née Is’harc) is the chief executive officer (CEO) of the Royal Academy of Engineering.

Education 
Sillem grew up in South Africa. She attended Godolphin and Latymer School. She earned a master's degree in biochemistry from the University of Oxford in 1998. She completed a PhD funded by Cancer Research UK at University College London in 2002 investigating the JAK-STAT signaling pathway supervised by Ian M. Kerr.

Career 
Sillem joined the Royal Academy of Engineering in 2002 as an Engineering Policy Advisor "despite, if I’m honest, not knowing anything about engineering or policy”, she says. She joined the Department for International Development 2005. In 2004 she became a Committee Specialist to the Science and Technology Select Committee, and later as a Specialist Adviser to the House of Commons Science & Technology Committee.

In 2006, Sillem joined Royal Academy of Engineering as Head of International Activities. She led the Academy's partnership with Africa. In this role she published Engineering Change: Towards a sustainable future in the developing world. She went on to publish Engineers for Africa: Identifying engineering capacity needs in Sub-Saharan Africa, a summary report. The report identified the capacity needs of engineering that are felt across Sub-Saharan Africa, and developed approaches to meeting these needs.

Sillem was appointed to Director of Programmes and Fellowship in 2011. She is interested in how science and engineering can help with humanitarian admin, and how engineering can drive international development. She published Investing in Innovation in 2015. In May 2016, Sillem was appointed Director of Strategy and Deputy Chief Executive of the Royal Academy of Engineering. In March 2017 she was appointed a Fellow of the Institution of Engineering and Technology. She spoke at the launch of Angela Saini's book Inferior: How Science Got Women Wrong and the New Research That’s Rewriting the Story in June 2017.

Sillem co-founded the Royal Academy of Engineering enterprise hub. She hosted the 10th Young Arab Women Leaders STEM conference in London in December 2017. She was appointed CEO of the Royal Academy of Engineering in January 2018. She is a champion of the Government's Year of Engineering, looking to increase diversity amongst the UK's engineering workforce through the campaign This is Engineering.

In 2019, Sillem was 31st in Computer Weekly'''s 50 'Most Influential Women in UK Tech' shortlist.

She is a trustee of the London Transport Museum. She is a judge for St Andrews Prize for the Environment. She has written for The Huffington Post''.

Awards and honours
Sillem was appointed Commander of the Order of the British Empire (CBE) in the 2020 New Year Honours for services to international engineering. In 2021, Sillem received an Engineering and Physical Sciences Suffrage Science award.  In 2022, Sillem was awarded an honorary doctorate in engineering from Newcastle University.

References 

Living people
Women chief executives
Fellows of the Institution of Engineering and Technology
British biochemists
Women biochemists
People educated at Godolphin and Latymer School
Year of birth missing (living people)
Commanders of the Order of the British Empire
Alumni of the University of Oxford