Instructors

Pat Dorris, Dean of Machining

Pat Dorris has more than two decades of industry experience working in manufacturing shops serving the automotive industry. He was introduced to the industry through his family’s business, a machine shop called Turn-Matic, Inc. A graduate from Western Michigan University, Pat holds a Bachelor of Arts degree in German/Accounting. He attended Macomb Community College where he studied automotive/tool design. After moving to San Diego from the Detroit area, Pat continued to work in the manufacturing field as a mechanical designer and CNC programmer/machinist. Since 2006, he has owned and operated his own machine shop. Pat also teaches CNC programming at San Diego City College, a position he has held for 11 years.

Lyle Palm, Dean of Welding

Lyle Palm retired a Senior Chief Petty Officer from the United States Navy with over 20 years’ experience as a Hull Maintenance Technician. He specialized in welding nuclear and non-nuclear piping systems and structural components onboard submarines and surface ships. In 2015, Lyle was awarded American Welding Society’s Excellence in Welding Award in the veteran category. His education background includes a Master of Science degree in Space Studies from the University of North Dakota, and a Bachelor of Science degree in Workforce Education and Development from Southern Illinois University, along with a wide variety of industry certifications including journeyman combination welder. Lyle owned his own welding and fabrication business with his brother Tim Palm for ten years. In addition to instructing welding classes at Workshops for Warriors, Lyle is an Instructor at Assault Craft Unit 5 for Marine Systems Corporation where he trains military and civilian welders.

Derek Beecher, Welding Instructor

Derek Beecher retired a Master Chief Petty Officer from the United States Navy with 30 years of experience. He specialized in welding nuclear and non-nuclear piping systems and structural components onboard submarines and surface ships. Also an expert in damage control practices for fighting shipboard fire, flooding and casualty damage repair, Derek was further trained in basic chemical, biological, and radiological warfare recovery practices. He is well versed in welding and silver brazing processes including sheet metal fabrication, pipefitting, structural fabrication and repair. A graduate from Three Rivers Community College, Derek holds dual Associates of Science degrees in Construction Management Technology with an emphasis in Computer Aided Drafting and Business Administration.

Tim Palm, Welding Instructor

Tim Palm served in the National Guard and then joined the United States Navy as a gas turbine systems technician, serving for a combined total of 10 years. After serving in the military, he held various positions ranging from package assembly mechanic at Solar Turbines to supervisor at Greenfield Environmental. Tim and his brother Lyle Palm owned their own business called Old Swede Repairs, a welding and fabrication business, for ten years. Tim is a licensed contractor in the state of California. He is also a licensed wastewater treatment plant operator. In addition to teaching at Workshops for Warriors, Tim is a wastewater treatment plant operator at Chicago Bridge and Iron, a company contracting for the military. Tim’s expertise in welding was founded on coursework at Dakota County AVTI and his experience in running his own company as a licensed contractor.

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