Our Team

Steven Mattes

(818) 508-7034 ext 203

Steven began his career in 1977 working for his father, Bill Mattes, of well renowned Sterling Machinery. Under the guidance and knowledge of his father, Steven worked as an apprentice machinery dealer and quickly became Vice President before venturing into the auction world. In addition to the connections and knowledge he gained in the auction world, he saw the opportunity to be able to help machinery customers with their individual needs. What began as a humble two person auction company, grew into two companies; One of nation's largest auction companies and the nation's largest stocking used machinery dealer.

In 2010, Steven opened the first IA Machinery warehouse with same values and integrity that he built his auction company on. Today, he is CEO of IA Machinery, BidItUp Auctions & Appraisals Worldwide, BidItUp Toys, Charcole Capital and Charcole Properties. Under the Mattes Diversified Industries (MDI) umbrella, these companies work hand in hand providing a wide array of services to the global market.

Steven has been in the auction and machinery business for more than 35 years. His industry expertise includes metal working, fabricating, chip-making, wood working and plastics equipment/production lines. A licensed and well known Auctioneer, Steven hold's auction licenses in over 30 states.

Steven served as treasurer for the west coast chapter MDNA, Charity Auctioneer for the Boys and Girls Club, member of the Guardians, member of the Metals & Machinery Jewish Federation and was formerly AMEA certified.

Rick Kruger

(323) 587-1887

Rick began his career in 1982 working for various machinery companies throughout the United States. Holding positions beginning in machinery sales, advancing to Vice President and now President at IA Machinery, Rick's expertise includes metal working, fabricating, chip-making, wood working and plastics equipment/production lines. Rick has grown 2 successful machinery companies from the ground up and is a true resource of information for the Machinery World.

Tara Shaikh

General Manager
(818) 508-7034 ext 202

Tara joined Mattes Diversified Industries in 2006. Holding various positions in MDI's companies and advancing to General Manager of MDI's umbrella, Tara directs operations of IA Machinery, BidItUp Auctions and Appraisals and BidItUp Toys.

Nyk Westbrook

Director of Business Development
(818) 508-7034 ext 205

Nyk Westbrook began his career with MDI at BidItUp Auctions Worldwide as a Marketing Associate in 2011 and has since then become Director of Business Development. Over the last year he has sourced, managed and completed many successful auction projects for an array of clients and industries. Prior to joining BidItUp he held the position of Branch Manager for a natural spring water company called Earth2o in his hometown of Eugene, OR.

Nenette Sabordo

Accounting Manager
(818) 508-7034 ext 214

Nenette Sabordo began her career at MDI in 1995 as Accounting Manager in the Los Angeles head office. She handles operational and overall corporate accounting for all MDI companies including IA Machinery, BidItUp, BidItUp Toys, Charcole Capital and Charcole Properties.

Shawn Gaffney

Web Marketing
(818) 508-7034 ext 212

Shawn is a graduate of ITT Technical Institute with an AS in Information Technology — Multimedia. Shawn has spent the last 7 years working in marketing, specifically email marketing, and now is head of e-marketing with MDI at IA Machinery and BidItUp.

Isauro Montas Vasquez

Bob Raines