John Liddy

Since joining Bullen in 2021, Liddy has led several Bullen advancements, most notably the maturation of the company's proprietary MicroLucent® technology for ultra-precise machining of transparent materials. He also streamlined innovation pipelines to speed new technologies into production. Now as Vice President of Operations, he is guiding the company's adoption of industry-standard performance metrics such as Overall Equipment Effectiveness (OEE), formalizing continuous improvement programs and integrating machine-level data into intelligent, responsive manufacturing systems.

Liddy's career spans more than 25 years in manufacturing leadership. Before joining Bullen, he spent nearly three decades with The Timken Company and TimkenSteel Corporation, progressing from controls engineer to plant manager of a high-volume CNC machining facility producing millions of precision components annually. His accomplishments include implementing real-time plant data systems, deploying cost-effective robotic automation and managing multi-line CNC expansions to meet growing production demands.