Our Team

Martin Weinberg

President & CEO, Founder and Chief Innovator, managing the traditional business and leading initiatives in new products, services and markets

Martin’s training is as an electrical engineer. His passions include: improving existing products, inventing new products, and securing additional patents. He founded Xamax and merged it with a predecessor company that he also built.

He holds patents for products in the electrical, personal care, FRP, and healthcare industries. Martin is a Senior Member with IEEE (Institute of Electrical and Electronics Engineering) where he provides thought leadership on power, energy, and standards.  He obtained his B.S. in Electrical Engineering from City College, New York.

Jim Yuan 

Senior Vice President Sales

Jim is a sales professional and has helped drive Xamax sales growth over the past two decades. Previously working for General Electric, Jim has an undergraduate degree from Syracuse University and an M.B.A. from the University of Connecticut.

George Chism 

National Sales Manager, Technical fabric solutions for composites and specialty applications

George develops relationships with national accounts and direct end users. His background in technical nonwovens means he can find solutions and cost savings, as well as develop customized products for existing and new customers.

Tony Luna 

Quality Manager, Quality & Reliability Professional

Tony leads Xamax’s quality program, ensuring that the company consistently meets and exceeds customer expectations. He also leads the company’s Quality Management System to ensure ISO9001:2008 compliance.

His experience includes quality and process improvement positions at Swift Textile Metalizing, Pitney Bowes Seagate Technology and Mico Motion. He was an Engineering Duty Officer with the US Navy in the Naval Sea Systems Command. Tony has a B.S. in Materials Science from Massachusetts Institute of Technology and a M.S. in Mechanical Engineering from the University of Colorado Boulder.

Bill Pisani

Marketing and Digital Director

Bill is an experienced digital marketing professional that has held senior leadership roles in the industrial, technology and services industries. He has worked with these companies to institute marketing strategies, efficient processes, and effective initiatives that align with company objectives. His customer-first approach is instrumental in creating programs, products and services that satisfy customers and deliver results.

Bill has a B.S. degree in Marketing and Information Systems from Fairfield University and holds certifications in marketing automation, sales methodology, management, and quality.

Margaret Pederson 

CEO, Vice Chair, Board of Directors, Strategy, Marketing, Digital

Margaret is an experienced director of public and private companies. Her earlier career included Division President and other senior management roles of leading global companies. Her education includes Harvard Business School (M.B.A.), London School of Economics (G.C.) and University of Virginia (Honors Program).

Anna Durham


Anna is a growth oriented, operationally focused leader who has led global industrial and financial services businesses for GE.  She completed her BA at the University of Virginia and MBA at Columbia Business School.

Bob Markowski 

Vice President of Sales and New Product Development: FRP & Electrical

Bob combines his engineering background with sales to develop new products and improve existing ones. He holds an undergraduate degree in engineering, and a Masters of Operations and M.B.A. from Rensselaer Polytechnic Institute.

Carol Evancovitch 

In-house Sales and Customer Support

Carol provides in-house sales and customer support providing answers quickly and efficiently. Her friendly, professional manner delights customers, and her extensive twenty year career at Xamax has enabled her to acquire significant knowledge of company’s products, services, processes and timelines.

Paul Oei

Vice President Operations

Paul is responsible for manufacturing, supply chain, customer service, quality, and EHS functions in support of XAMAX’s products.

Paul’s long experience in leadership roles for engineering and operations includes: Nuvera, FuelCell Energy, New York Graphics Society, AAR Engine Component Services, Pratt & Whitney and General Electric. Paul is a practitioner of lean manufacturing techniques.  He is a GE six-sigma master black belt, was trained by Shingijutsu of Japan in the Toyota Production Method and John Costanza in Demand Flow Technology.

Paul holds a Master’s degree in Mechanical Engineering from The University of Pennsylvania and a Bachelor’s degree from The Cooper Union. Professionally, he has completed the MIT Sloan School Supply Chain Management Certification Program and the GE Executive Management and Business Development Training Program.

Theresa Syc


Theresa is a financial professional that has a record of contributions in planning, analysis, and implementing controls to improve efficiency and overall effectiveness. She has a reputation for creating a customer-focused team environment and applying computer and technical expertise to implement process/system changes to streamline operations. Theresa has demonstrated leadership skills with ability to build and coach teams to improve productivity, reduce costs and maximize profitability.
Her career experience includes: Pitney Bowes, Black & Decker, Thule, IDEX Corporation, and Lex Products.

Theresa holds a Master’s Degree from the University of Bridgeport and a Bachelor’s Degree from Sacred Heart University both in Accounting. She is a member of the Institute of Management Accountants.