Our Team

Pat Blake


With over 40 years in the machine tool business Pat began in the machine tool industry as a machinist in the 1970s working for a general machine shop. After outgrowing his position he began working with DoAll as a sales representative in the San Fernando Valley and surrounding LA area. After DoAll he began working with Mazak as a territory sales manager in Southern California in the 1980s. Shortly after Mazak he and his now retired ex-partner Bob Clow opened Machinery Exchange in 1986, purchasing the former Mazak building. He is active in all aspects of owning and operating Machinery Exchange and oversees every aspect of our business.



Amber Guzman

Office Manager

Amber Guzman has been with Machinery Exchange since 2007. In addition to overseeing the daily functions of Machinery Exchange, Amber’s ability to manage multiple work tasks has helped define her work experience, which includes operating as an office manager, bookkeeper, and shipping manager. In her free time she enjoys spending time with her family.




Jerad Harris

Sales and Advertising

Jerad Harris is responsible for managing the online listings of Machinery Exchange’sconstant changing inventory, researching each item’s features and specifications and picturing that item to accurately represent its condition. Jerad first began working for Machinery Exchange in 2005 and now uses his experience to ensure customers get the machine that best fits their needs, even if it’s not here.



Larry Ortiz

Sales and Service

Larry Ortiz has worked for Machinery Exchange for 4 years as a CNC Technician and Salesman. His specialty is diagnosing any CNC program failures and Hardware malfunctions. What some people find impossible, he finds unproblematic.