Mr. Longfellow is a chartered electrical engineer and a Fellow of the Institute of Measurement and Control.

Mr. Longfellow started his career in electrical engineering in the United Kingdom. In 1991, he joined British Nuclear Fuels Limited, working at the Sellafield nuclear reprocessing plant in West Cumbria where he was Head of Reprocessing, before becoming Deputy Managing Director in 2007.

In 2009, Mr. Longfellow joined Westinghouse Electric Company as the Managing Director of Springfields Fuels Limited and Vice President of the European Fuel Business.

In 2013, Mr. Longfellow joined Costain PLC as Director of Major Projects for the nuclear, oil and gas sectors in the UK.

Since 2015, Mr. Longfellow has been an independent consultant to the international nuclear sector.

*Meets the criteria of an independent director in accordance with the Regulations on the Board of Directors of Kazatomprom JSC NAC.