Callum Rumble

Managing Director TEL (UK)

After completing his service in the Royal Engineers, Callum moved to Industrial Power Generation starting as a Field Service Engineer, before progressing to more commercially focussed roles for HPI LLC and Siemens. 

Before joining Turbine Efficiency in Sept 2017, his most recent job history includes the progression from Head of Generator Project Management for Brush Electrical Machines, to Head of Project Management for Brush Group. 

As Managing Director at Turbine Efficiency, Callum is primarily responsible for leading the successful delivery of all activities and functions post initial contract award and then through to, and including aftermarket services. Callum ensures that the business has the best working environment and processes while assuring the business operates within the company's strategic objectives.

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Meet the rest of the Group Directors & Senior Management

Chris Turner

CEO

Chris has worked in Industrial Power Generation for over 25 years.

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Chris Turner

CEO

Rob Leach

Managing Director GTA (USA)

Rob has worked in Power Generation for over 25 years. After qualifying in electrical engineering, he started out with ESCOM, working at the only nuclear plant in South Africa...

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Rob Leach

Managing Director GTA (USA)

James Willows-Chamberlin

Group Finance Director

James is a Big Four trained chartered accountant. As Finance Director, James is responsible for the financial leadership of the business and providing financial support to internal and external stakeholders with a truly collaborative approach.

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James Willows-Chamberlin

Group Finance Director

Graham McKirdy

Group Sales Director

Graham has divided his career between OEMs and ISPs & is fiercely driven by Customer Satisfaction.

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Graham McKirdy

Group Sales Director

Helen Molloy

Group General Counsel & HR Director

As General Counsel, Helen is responsible for the full range of legal functions across the business, focusing on commercial contracting matters and regulatory compliance.

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Helen Molloy

Group General Counsel & HR Director

Paul Holder

Head of Coatings & Repair

Paul has 15 years of experience in the Coatings and Repairs Business.

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Paul Holder

Head of Coatings & Repair

Nick Johnson

Group Head of Technology

Began career at Ruston Gas Turbines, Lincoln (latterly EGT, Alstom & Siemens), working on gas turbine package design (auxiliaries).

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Nick Johnson

Group Head of Technology

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