
Haris is a Chartered Mechanical Engineer and Associate in ESG and Sustainability at Hollis Global, where he specialises in building performance, energy modelling and decarbonisation across UK and European property portfolios. His work spans TM54 operational energy modelling, TM52 and TM59 overheating analysis, EPC and MEES compliance, ESG due diligence assessments, as well as CRREM and UKNZCBS aligned Net Zero Carbon roadmaps.
Previously, Haris worked as lead consultant on a nationwide smart HVAC and BEMS controls
programme across more than 500 hotels that achieved 40% energy savings, while at SMS Plc.
He also served as Engineering Lead on Santander UK's London headquarters redevelopment, providing technical assurance across HVAC, mechanical and electrical systems through design, construction, commissioning and handover.
Haris holds an MEng in Mechanical Engineering from Aristotle University of Thessaloniki and an MSc in Sustainable Energy Technologies from the University of Southampton, where his postgraduate research developed stochastic models of natural ventilation and occupant behaviour to improve building energy prediction. He is a Chartered Engineer, a Low Carbon Consultant, and a Low Carbon Energy Assessor Level 5.
Through EESG, he looks forward to contributing his experience in building performance and decarbonisation strategy and supporting the group's work connecting engineering practice with sustainability policy.