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Our Executive Committee

Meet the team that empowers our mission to be the world's most trusted building optimisation platform provider.

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Patrick Harsas


Enthusiastic and articulate with a strong foundation in accounting and governance from a Big 4 firm, Patrick brings commercial and strategic insight to the issues at hand.


Keith Gunaratne


Keith founded EP&T in 1993 and pioneered technologies to unlock the DNA of buildings. He has built amazing teams over twenty years in five continents who leverage real data to realise incredible results.

He passionately continues to innovate technologies using IoT, Artificial Intelligence and Machine Learning. He contracts business for enterprise level solutions across the world.

Keith studied Electrical Engineering, Air-conditioning Technologies, Computer Science and Business Management, including studies at Harvard Business School.
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Peter White

Head of Global Sales

Peter joined EP&T in 2023 and has over 25 years international management experience across sales, marketing, business development, product management, regulatory compliance, strategic alliances, customer success, AI, ESG, managed services and SaaS.

Samuel Gooder

Head of Corporate Development

Sam joined EP&T in 2011 and was appointed Head of Operations for UK & Europe in 2017. Recently Sam has taken on the position of Head of Corporate Development to support building our strategic alliances and partnerships.

Sam has over 20 years’ experience in financial services, technology and sustainability, along with a strong track record of delivering sustainable growth across these sectors. He is a keen sportsman and spends his free time playing field hockey, coaching minis rugby and practicing martial arts with his 3 sons.


Chris Stenberg

Head of Operations

Chris has been with EP&T for 12 years. He brings expertise in client service, problem solving, quality management and team leadership.

Chris has extensive experience using his technical skills and high level analysis to deliver quality outcomes for internal and external stakeholders alike.

Chris is results-driven and his involvement on all projects ensures system reliability and uptime.

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Ruaraidh Bellew

Head of Customer Delivery

Ru joined EP&T Global in 2016, was appointed Commercial Director for UK & Europe in 2018 and stepped into the Head of Customer Delivery role in 2023. He brings over 11 years’ experience in real estate sustainability consultancy, having previously worked at Atelier Ten, JLL and Turner & Townsend. His passion is to accelerate the transition to a Net-Zero built environment through data analytics, operational efficiency and collaboration.

Ru completed a BSc in Environmental Sciences in 2009, achieved Chartered Energy Manager status in 2015, and completed the UKGBC Future Leaders programme in 2017.

In his spare time he enjoys playing guitar, golf, watching NFL, cooking, and spending quality time with his wife and children.