Advanced Technology Group
John Maddocks is an experienced designer and drafter with a career spanning over two decades in various roles across multiple companies. Currently serving as a Designer / Drafter III at Advanced Technology Group since January 2024, John has also owned and operated MaddCAD Services since April 2008. Previous positions include Designer/Drafter III at Springs Fabrication, LLC, and Program Manager at ZoMazz, where John oversaw new product development for graphic appliques. Additionally, John held multiple roles at Lightning Systems, including Production Planner & QA Coordinator, and gained experience as Drafting Lead at SA Technology and CAD Technician at Carroll & Lange, Inc. John began the professional journey as a Machine Designer at Eastman Kodak after earning an AAS in Engineering Technology from Aims Community College.
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Advanced Technology Group
Advanced Technology Group (ATG) is your solutions provider for innovative and world class containment systems. ATG is a registered small business that has been serving the needs of our clients for over 40 years with project management, design + engineering, fabrication, processing + machining, finishing, assembly, and inspection + test. Located in a 85,000 square foot facility in Westminster (Denver), Colorado, ATG has the capabilities and experience to produce the highest quality equipment, requiring stringent standards for workmanship, performance, and specification compliance.