Hayaatun is the founder and CEO of Argentic Associates, focussed on transforming major philanthropy and connecting people and capital in service of impact. She also hosts What We Don’t Know, the podcast on better leadership in an uncertain world. 

Until the end of 2025, she was CEO of the Royal Academy of Engineering, which promotes engineering and tech excellence for public benefit, and Queen Elizabeth Prize for Engineering Foundation, which awards the world’s most prestigious engineering prize. 

She is Chair of Sir Lewis Hamilton’s foundation Mission 44, trustee of various charities including The Leverhulme Trust, and NXD at construction company Laing O’Rourke. 

She was awarded a CBE in 2019 and a Damehood in 2026 for services to Engineering.