Former Galliford Try director to be CEO of water specialist

Stephen Slessor will join RSE’s board as chief executive officer in January 2024, following a 17-year career a Galliford Try. 

Current CEO, Iain MacGregor, will remain an executive director at RSE and a significant shareholder in the Group. 

Slessor joined Galliford as a quantity surveyor in 2006, and worked up to managing director of its £500 million-revenue Environment business. 

He led the merger of Galliford with nmcn, creating the largest single contractor to the UK water sector in 2021.  

Slessor is influential on several industry advisory boards as an active non-executive director for British Water and the Scottish Futures Trust.  

He was also president of the Chartered Institute of Civil Engineering Surveyors until March 2022. 

Slessor joins RSE six months after it announced investment from London equity partners MML Capital.  

“I am delighted to be welcoming Stephen into the RSE family at such an exciting time,” said MacGregor. “We have enjoyed considerable growth in the last four years, turning a £60m service company in Scotland to a £250m+ technical specialist that services clients in the water sector across the UK. 

“Demand for innovation to meet the needs of the water sector is positioning RSE for further growth. We believe that bringing Stephen’s skills, experience and energy into the business will help guide RSE with our growth plans and realise the full potential of our modular solutions across UK and international markets.” 

Slessor added: “I’m thankful to GT for the opportunity afforded me in my previous role. It’s an exciting time to be joining RSE and it fulfils my entrepreneurial aspirations to build something unique and game changing in the water sector – a true disruptor. RSE’s differentiated technical offering, including its modular approach to water treatment, will shape the future of the sector in the UK and abroad. I’m pleased to now be part of this and look forward to working with my new colleagues when I join in January.” 

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