Our Team

Get to know the SIGMA Auction Team

Rob Circle

Rob Palmer – CEO

Straight out of college Rob realized he had an interest in designing and installing equipment on the factory floor and has since then 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, beverage, pharmaceutical, and plastics industries to create The SIGMA Group almost 20 years ago.

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 purchasing and selling equipment, he can provide expert insights into the market value of packaging and processing equipment. Jay now manages the business development of SIGMA’s Auction and Appraisal divisions.

Missy Circle

Missy Dougan – Senior Account Executive

Missy, SIGMA’s Senior Account Executive, has over a decade of experience working in the packaging and processing equipment industry.  She specializes in the asset management of equipment throughout its lifecycle and helps customers find valuable returns on their investments. Missy assists with business development of our Recovery, Auction and Appraisal divisions.

Ryan Circle

Ryan Yerkes – Senior Account Executive

Ryan has 20 years of experience 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 Executive for both SIGMA Auction and SIGMA Appraisal divisions.

Alex Circle

Alex Funke- Auctioneer

Alex Funke has been working at SIGMA for his entire career and has extensive experience in providing solutions for our customers that will help them solve their equipment issues. He specifically specializes in auction management for the SIGMA Auction division and has earned his Auctioneers license from the State of Indiana.

Randa Circle

Randa Doleh – Senior Appraiser

Randa has developed expert equipment knowledge and pricing as well as appraisal experience during her career at SIGMA. She is also extensively trained in business analytics within equipment sales, acquisitions, and operations functions. Randa is a certified Senior Appraiser for both SIGMA Auction and  SIGMA Appraisal divisions.

Justin Circle

Justin Morris – Auctioneer

Justin has been a Lead Acquisition Buyer at SIGMA for the past four years. Through his experience of visiting hundreds of our clients’ facilities, he gained a deep knowledge of process, packaging, and support equipment as well as pricing and negotiations. In addition to his extensive industry experience, he also earned his Auctioneer’s license from the State of Indiana in 2019

Rob-Palmer-Headshot

Rob Palmer – CEO

Straight out of college Rob realized he had an interest in designing and installing equipment on the factory floor and has since then 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, beverage, pharmaceutical, and plastics industries to create The SIGMA Group almost 20 years ago.

Ryan-Headshot-Photo

Ryan Yerkes – Senior Account Executive

Ryan has 20 years of experience 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 Executive for both SIGMA Auction and SIGMA Appraisal divisions.

Missy-Headshot-Photo

Missy Dougan – Senior Account Executive

Missy, SIGMA’s Senior Account Executive, has over a decade of experience working in the packaging and processing equipment industry.  She specializes in the asset management of equipment throughout its lifecycle and helps customers find valuable returns on their investments. Missy assists with business development of our Recovery, Auction and Appraisal divisions.

Alex-Headshot-Photo

Alex Funke- Auctioneer

Alex Funke has been working at SIGMA for his entire career and has extensive experience in providing solutions for our customers that will help them solve their equipment issues. He specifically specializes in auction management for the SIGMA Auction division and has earned his Auctioneers license from the State of Indiana.

Randa-Headshot-Photo

Randa Doleh – Senior Appraiser

Randa has developed expert equipment knowledge and pricing as well as appraisal experience during her career at SIGMA. She is also extensively trained in business analytics within equipment sales, acquisitions, and operations functions. Randa is a certified Senior Appraiser for both SIGMA Auction and  SIGMA Appraisal divisions.

justin-head-shot-photo

Justin Morris – Auctioneer

Justin has been a Lead Acquisition Buyer at SIGMA for the past four years. Through his experience of visiting hundreds of our clients’ facilities, he gained a deep knowledge of process, packaging, and support equipment as well as pricing and negotiations. In addition to his extensive industry experience, he also earned his Auctioneer’s license from the State of Indiana in 2019

Interested in Joining Our Team?

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.