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EXECUTIVE
TEAM
Celebrating 100 years of business in 2024, Plymouth Tube Company is a privately-held, family-owned, precision metals manufacturer of tubing and extruded shapes for use in a variety of industries. Headquartered in Warrenville, Illinois with six plants in the United States and Plymouth Schwerter Technik in Germany, Plymouth takes pride is supporting its customers with quality products and services.
John Petreanu joined Plymouth in 2024 as President and Chief Executive Officer. He is an accomplished and entrepreneurial executive with over 30 years of experience leading global organizations in highly regulated medical device, aerospace, and industrial environments. He has a proven track record of driving revenue growth, optimizing research and development, and executing successful mergers and acquisitions.
Prior to joining Plymouth, John served as President of Paltin Partners LLC, advising small and middle-market life science companies. He also held leadership positions at Scapa Group Ltd. and Viant Medical, consistently exceeding revenue and profit targets. John’s career began in the materials and aerospace industries where he honed his expertise in marketing, engineering, and continuous improvement at GE Specialty Materials, GE Plastics, and Owens Corning.
A strategic leader known for business turnarounds and operational excellence, John has launched numerous successful products and optimized manufacturing networks. His expertise in Lean Six Sigma drives process improvements and delivers sustained performance enhancements.
John holds an MBA in Corporate Finance from the University of Dayton, a Master of Science in Engineering from the University of Illinois at Champaign-Urbana.
Jim Japczyk joined Plymouth in 2023 as CFO, bringing over 20 years of comprehensive experience and strong leadership across various industries. His expertise in leveraging cash management, turnaround accounting and operational finance showcases his strong financial acumen. He believes in fostering partnerships, both as a builder and mentor, in order to improve financial outcomes.
Prior to joining Plymouth, Jim held notably successful and rewarding CFO positions at Spinrite, Optimas Solutions, D&W Fine Pack and Utilities, INC. His achievements span a variety of industries (manufacturing, industrial distribution, consumer products, food packaging, and utility consumer services), investors (primarily PE portfolio companies) and board reporting and governance responsibilities.
He holds a BBA in Accounting and Finance from Loyola University Chicago and an MBA Finance from DePaul Driehaus College of Business. He is an enthusiast of volunteering his time to charities and previously advised on the Finance Sub committee in the City of Elmhurst. Jim was honored to receive the FEI 2018 CFO of the year, Large Private Company (Chicago Chapter), showcasing his positive impacts for both the company and investors.
Holly Both joined Plymouth in 1996 as the pioneering member of its marketing team. Throughout her tenure, she has ascended through roles of increasing responsibility across marketing, sales, and customer service. Demonstrating a compelling blend of analytical and creative competencies, Holly combines industry knowledge and functional expertise to implement scalable strategies. Today, she drives sales growth and enhances the customer experience by developing and executing initiatives designed to create value and differentiate Plymouth in a dynamic, global marketplace.
A dedicated leader, Holly is passionate about inspiring and developing others to achieve sustained success. She serves as the Executive Chair of Women in Titanium, a sub-group of the International Titanium Association, where she mentors women in the industry and fosters their professional growth through developmental and networking opportunities.
Holly holds a bachelor’s degree in marketing from Northern Illinois University and an MBA from Northwestern University’s Kellogg School of Management.
Lucas Kammerzell joined Plymouth in 2023 to lead the standardization and optimization of the supply chain and purchasing functions for the company.
Lucas has held a number of operational and supply chain roles of increasing responsibility for Fortune 500 manufacturing and name brand CPG companies, most recently leading Supply Chain Planning for a large CPG company. Lucas is passionate about partnering with sales, finance, and operations to drive efficiencies that enhance the customer experience while removing cost from the business.
Lucas received his undergraduate degree in Chemical Engineering and his MBA from the University of Notre Dame.
Scott Patkus joined the Plymouth team in 2023 as our Vice President of Human Resources. As a member of the executive leadership team, Scott is responsible for aligning the Human Resources and Talent Strategy to strengthen company structure and to build and sustain leadership and organizational capability as a source of competitive advantage.
Prior to joining Plymouth, Scott has held several HR leadership roles over 20 years supporting various global functions and business segments within GE Healthcare, Acuity Brands Lighting, Schneider Electric, and US Gypsum.
Scott has a bachelor’s degree in Human Resource Management from Northern Illinois, as well as one of the first to hold the Society for Human Resources Management Senior Certified Professional (SHRM-SCP) credential.
