Gary Bark

Gary Bark is a seasoned expert in the smart‑buildings and energy‑efficiency sector, with over 34 years of experience delivering innovation and measurable business value in global markets. As an innovator in building controls, energy analytics, and green‑technology solutions, he has cultivated partnerships to deliver sustainable outcomes for clients worldwide.

At Optimised, Gary has been instrumental in driving the company’s strategic vision, including sales, marketing, and management. Gary is passionate about identifying ROI and delivering compelling results. His teams tackle the energy waste challenge head‑on—addressing building HVAC systems that often consume 40% of a facility’s energy budget, with up to 25% wastage—and demonstrate how smart technology, expertise, and data can unlock substantial savings and performance improvements.

Gary frequently appears as a guest speaker and thought leader, sharing strategies to reduce energy usage and optimise building performance. His presentations offer practical guidance, real‑world case studies, and tangible ROI frameworks, making energy efficiency not only sustainable but commercially viable.