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Debbie Hobbs ISG

Debbie Hobbs

Group Director - Sustainable Business, ISG


  • Sustainability, net zero and social value
  • CIBSE Energy Performance Committee member
  • CIBSE HVAC Innovation Group member
  • British Council of Offices ESG committee

Debbie manages a team of 30 sustainability and social value experts and is passionate about delivering net zero carbon buildings in operation. 

Debbie is a chartered engineer (MCIBSE) with 32 years’ experience in sustainability and carbon management, as a consultant, client, contractor and energy manager. This has allowed her to develop unique insights into the challenges of all parties across a building’s life cycle. 

As ISG delivers a number of passive house and ‘net zero carbon’ projects, she enjoys the challenge of incorporating circular economy principles and maximising social value, alongside achieving net zero carbon in operation. 

She is a member of the British Council of Offices ESG committee as well as CIBSE’s Energy Performance committee and HVAC innovation group.

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