Ailie MacAdam

Education The eldest of her parents' four children, MacAdam was born in Edmonton, London, the daughter of Gilchrist G. MacAdam, a mechanical engineer, from Milngavie in East Dunbartonshire, north of Glasgow.

She grew up in Chrishall, halfway between the A10 and the M11, a few miles east of Saffron Walden, where she went to primary school. She attended Saffron Walden County High School. Throughout the 1970s to 1990s she played hockey for Saffron Walden, playing centre-half. She studied GCE Advanced Levels in maths, physics and chemistry in sixth form.

She was educated at the University of Bradford, where she was awarded a Master of Science degree in chemical engineering.

Bechtel She joined Bechtel on a graduate training programme in 1985, She was a director of Bechtel Limited in the UK from June 2014 until April 2017.

Channel Tunnel Rail Link From September 2003 to July 2008 she worked with Bechtel on the Channel Tunnel Rail Link, which became known as High Speed 1.

Crossrail From April 2009 until July 2014 she was delivery director for the Central Section of Crossrail, with 21 km of twin-tube tunnel and six underground stations. This is Europe's largest engineering project. She works with STEMNET.

MacAdam was awarded an honorary degree, DEng (Doctor of Engineering honoris causa) from her alma mater The University of Bradford on 8 December 2022.

Personal life Her godfather was a chemical engineer and her father was a mechanical engineer.

Her son, Femi Sofolarin, born 22 January 2000, is a rugby union player, like his father. Femi, educated at Dulwich College when the family lived in Beckenham in south-east London. He played for Scotland in the 2022 Commonwealth Games. Her daughter attended James Allen's Girls' School, competing in the discus at the Aviva English Schools Track & Field Championships in July 2012 at Gateshead, also competing in many other athletics championships, training with Blackheath and Bromley Harriers Athletic Club, alongside sprinter Dina Asher-Smith, then studied Psychology until 2018 at the University of Nottingham, where she played hockey for the university squad.