McMasters Koss Management

McMasters Koss Headquarters Building
President and CEO

Gary Gibbs – President and Chief Executive Officer

University of Michigan – Bachelor of Science in Mechanical Engineering

40 Years experience in engineering, computer science and corporate management within automotive manufacturers worldwide.


Company Management

Ed Koss – Vice President

Michigan State University – Bachelor of Arts in Business
Mercer University – Master of Business Administration

25 years experience in gasket and seal industry with strong background in automotive seal requirements across North America.


General Manager

Paul Pirtle – General Manager

University of Michigan – Bachelor of Arts in Business

20 years experience in gasket and seal manufacturing and supply chain management. APQP trained to ensuring compliance of supply chain partners and the McMasters Koss organization as a whole.


Operations Manager

Barb Landry – Operations Manager

15 years experience in operations, supply chain and logistics to ensure compliance to customer delivery and product performance requirements.


Peter Gibbs Work Station

Peter Gibbs – Engineering Manager

University of Michigan – Bachelor of Science in Mechanical Engineering

10 Years experience in materials testing, seal design and material selection in the automotive, power and electronics industries.


Bill Jackovich – Office Manager

35 Years experience in O-Rings, Gaskets and Seals for the automotive industry supervising inside sales and shipping departments to ensure compliance to customer requirements and JIT delivery needs.


Conference Room

Please let us know how we can solve your sealing problem or meet JIT delivery requirements for your organization.

We provide solutions and supply products to manufacturers worldwide and can offer efficient solutions for your organization.

Reach out to management with your needs.

  • McMasters Koss Inventory for JIT Delivery
  • Shipping Department
  • Pallet ready to ship
  • Durometer Tester
  • O-Ring Micro Vu Measurement
  • ASTM Standards for O-Rings
  • McMasters Koss Global Shipping
  • McMasters Koss Headquarters Complex
  • Oil Seal Environmental Test Machine
  • Quad Rings
  • Fluorocarbon O-Rings and Seals
  • Custom Molded Rubber Seals
  • O-Rings
  • McMasters Koss PPAP with APQP Manuals
  • White Rubber Balls
  • Molded Rubber Seals
  • Oil Seals
  • Custom Molded Seals
  • Extruded Rubber O-Rings