Our Team

Martin Weinberg

President & CEO, Founder and Chief Innovator

Martin manages the traditional business and leads initiatives in new products, services and markets. 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.

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

Bob Markowski 

General Manager

With over 20 years at Xamax, Bob combines his varied experience in operations, sourcing, R&D and account management to lead business strategy and new product development. His efforts consistently exceed customer expectations and keeps Xamax at the forefront of product innovation. Bob holds an undergraduate degree in Engineering, and a Masters of Operations from Rensselaer Polytechnic Institute.

Bill Pisani

Director of Marketing and Digital

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

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

Carol Evancovitch 

Director of 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.

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 B.A. at the University of Virginia and MBA at Columbia Business School.

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 leadership experience 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, a GE six-sigma master black belt, and 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 & Business Development Training Program.

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.