Our Team

Get to Know the SIGMA Recovery Team

Rob Palmer


Rob has always had an interest in designing and installing equipment and has built up his career in the used equipment industry. He used the experience gained from working with engineers, production managers, and maintenance staff in the food, pharmaceutical, and plastics industries to create the SIGMA Group almost 20 years ago.

Ryan Yerkes

Senior Account Executive

Ryan has 20 years of experience of working in the packaging and processing equipment industry. He specializes in the acquisitions area of the company and oversees the buying, research, and inventory management departments of SIGMA’s processing and packaging equipment. Ryan is the Senior Account Manager for both SIGMA Auction and SIGMA Appraisal divisions.

Jay Rivera

Account Executive

Jay Rivera joined SIGMA Equipment in 2017 as a Technical Sales Specialist and Latin America Account Manager. With his extensive knowledge of buying and selling equipment, he can provide insights into the market value of packaging and processing equipment. Jay now manages the business development of SIGMA’s Auction and Appraisal divisions.

Ray Van

Project Manager

Ray has been working at SIGMA for 3 years and is specialized in acquisitions and project management. Throughout his time of working in the industry, he has developed skills in equipment evaluation, pricing, logistics, and removal. Ray is in charge of acquiring equipment that will be featured in SIGMA Auction’s quarterly auctions.

Interested in becoming a part of the SIGMA family?

Visit our careers page to learn more about our employees and to view our current job opportunities.