TriMas Aerospace

Our management team is committed to delivering the company’s commitment to market leadership, innovation and operational excellence.

John SchaeferJohn Schaefer, President, TriMas Aerospace

John is an experienced Aerospace and Defense industry executive based in Southern California and is currently serving as President of TriMas Aerospace. He has a broad and diverse range of professional experience centered around strong leadership and driving improved business performance. He has previously held executive roles in Transdigm Group and Meggitt PLC. Throughout his various business leadership roles, John has consistently driven a high performance-oriented business culture focused on the fundamentals of enterprise value creation. He is also a veteran of 22 years in the United States Marine Corps and Marine Corps Reserve. His experience in the Marine Corps is a key underpinning of his success and ability to manage significant responsibilities in dynamic, complex situations that demand effective problem solving and decisiveness. John’s style and approach to business is deeply shaped by his military experiences and unending dedication to achieving success.



Patty LinPatty Lin, Division Finance Officer, TriMas Aerospace

Patty has more than 20 years of experience in finance leadership roles. She has previously worked for Johnson & Johnson Medical Device companies and Transdigm Group, both of which have operations in the United States and globally. She has a diverse range of experience in working with cross functional teams to achieve business results through continuous process improvements, system automations and upgrades, and drive value based business decisions. Patty holds a bachelor’s degree in Accounting from University of Southern California.


Omar HoneggerOmar Honegger, Vice President, Engineering, Research and Technology, TriMas Aerospace, and General Manager, Monogram Aerospace Fasteners

Omar has nearly 30 years of experience in the aerospace industry in fasteners and installation tooling. He successfully led the Allfast Fastening Systems engineering team for more than 25 years in the development and qualification of many different fastener types for major OEMs, such as Boeing, Airbus, Embraer and Bombardier. He recently has served as the vice president of Sales for TriMas Aerospace before taking over as the general manager for Monogram Aerospace Fasteners. He is a graduate of Don Bosco Technical Institute, Materials Science, and graduated magna cum laude from Pepperdine University in Business Management.


HoskinsSean Hoskins, Vice President of Sales and Marketing, TriMas Aerospace

With more than 20 years of experience in the aerospace industry, Sean has spent most of his career in an international sales and marketing capacity, running business units and leading high performance teams.  In addition, he ran his own business focused on consulting and training for the aerospace industry. Sean holds a master’s degree in Organizational Communications.


Dave2Dave McNab, General Manager, Allfast Fastening Systems

Dave has more than 35 years of experience in the aerospace and automotive industries. Dave began his career in aerospace fasteners in 1978 as a toolmaker. He has held roles of increasing responsibility throughout his career. Dave was most recently vice president of Global Manufacturing Operations for Vance and Hines. Dave holds a bachelor’s degree in Management and a master’s degree in Business from University of Phoenix.


Nicholas Jeffrey emp cornerJeffrey Nicholas, Plant Manager, Mac Fasteners

Jeff brings more than 30 years managing manufacturing sites for the aerospace, industrial and energy industries. His experience focuses on turning around sites by focusing the team on results that deliver value to our customers and shareholders.

Jeff holds a bachelor’s degree in science and technology from the University of Puerto Rico.


Christopher PetersenChristopher Petersen, General Manager, Martinic

Chris has more than 20 years of leadership and experience in the aerospace and defense industry including management, sales, operations, program management, engineering, product development and manufacturing.  Chris holds an Executive MBA from the University of Tennessee and a Bachelor of Science in Mechanical Engineering from the University of Arizona. 

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