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Chris has been working at Spiroflow for over 10 years and is currently in the role of technical sales manager. He handles all the technical drawings and specifications during the sale and aides our drawing office while the equipment is designed, he also assists the manufacturing department with the build. His vast knowledge of powder handling and mechanical design is why he is involved in every aspect of designing our powder handling solutions.

David Hyer has led Thayer Scale as President and General Manager since 2016, overseeing all aspects of daily operations and long-term strategic direction. He originally joined the company in 1985 as a college student writing machine-level code for the PI-164 instrument, returning in 2013 after a successful career in senior leadership at Teradyne and two venture-backed technology ventures. Prior to rejoining Thayer Scale, David served as Division Manager for Teradyne’s circuit-board test and inspection business, where he was responsible for P&L and led global sales, engineering, and service teams. His broader background includes senior roles in sales, business development, and product strategy across high-growth technology companies. David brings deep expertise in the design and manufacture of precision conveyor belt scales and gravimetric feeders. Under his leadership, Thayer Scale has strengthened its focus on product specialization, engineering excellence, and rigorous quality, delivering solutions tailored to the demanding needs of the Food, Energy & Building Products, and Chemical & Industrial markets. He holds a Bachelor of Science in Electrical Engineering from Tufts University. David and his wife have three children, and he enjoys tennis, golf, and spending time on the water.

Chris Harrison began his career by studying Mechanical Engineering and Computing at college before joining Trantec Solids Handling Ltd, where he has now built over 10 years of hands-on technical experience within the bulk solids handling industry. Working in a technical role, Chris provides customer support, product trials, machine design and system development, supporting customers across a wide range of powder and bulk handling applications. His expertise centres on metering and feeding systems, including gravimetric and volumetric feeders, flexible screw conveyors and micro-dosing solutions, delivering reliable and hygienic handling solutions tailored to specific process requirements. Chris has extensive experience in the handling of troublesome and difficult-flowing powders, as well as the design and specification of batch weighing systems and weighed processes. He also provides specialist support for ATEX applications and hazardous area requirements, ensuring systems are designed and implemented in line with current safety standards. With strong knowledge of PLC systems and their integration into materials handling equipment, Chris supports the development of automated and efficient feeding and weighing solutions. By combining engineering knowledge with real-world materials handling experience, Chris delivers practical, cost-effective and fully optimised solutions that improve reliability, accuracy and long-term performance for customers across multiple industries.

Sylvain Bellamy is currently the Commercial Director for Powder Process and Technology at Tetra Pak, based in France. With over 25 years of specialized experience in powder processing, handling, and packing, Sylvain has held various roles across the Americas and Europe, providing him with a comprehensive understanding of the global market. Sylvain’s robust background in the food processing industry has sharpened his powder expertise during his years at Tetra Pak, where he contributed to developing innovative powder processing solutions. He leverages his extensive experience to drive strategic growth and operational excellence, always ensuring the delivery of cutting-edge technology and solutions that bring innovations to the market. Contact: Sylvain.Bellamy@tetrapak.com