Dave Darlow, National Sustainable Solutions Manager for Holcim NZ, brings extensive experience to the forefront of sustainable and low-carbon product development within the cement industry. Beyond his strategic role, Dave has direct oversight of Holcim NZ's cement testing laboratory, ensuring rigorous quality standards. He also coordinates research and development initiatives both within New Zealand and across the broader Holcim group. As a member of the Cement technical committee and the ConcreteNZ Learned society committee, Dave actively contributes to the advancement of materials testing and innovation within the sector.

Rubens is an Industrial Automation Engineer working as an IoT Engineer at Geotechnics. He designs and implements smart monitoring systems that connect field data to decision-makers. With a strong background in hardware, sensors, and communications like LoRaWAN and Modbus, Rubens helps deliver reliable solutions for challenging environments. His focus is on making data accessible, actionable, and aligned with project goals.