Nicholas Cashier

Nick has over 20 years of business development, operations, and general management experience. Before his assignment with AGSE Tooling, Nick held executive leadership roles with global and midsize specialty manufacturers that service aerospace, automotive, and industrial markets, including Parker Aerospace, MTD Products, and Rockwell Automation. Based in Cincinnati, Ohio, USA, Nick holds a Bachelor of Science degree in Electrical Engineering and an Executive MBA.

Stevan Case

Stevan guides the design and development of AGSE’s GSE & Tooling solutions, ensuring the company’s trusted and reliable products meet all customer and regulatory requirements. Before he arrived in 2018, Stevan took on various engineering duties in a 17-year assignment with Zodiac Seats California. He eventually rose to the Engineering Manager role, leading critical projects accommodating the aviation industry’s top aircraft manufacturers. He graduated from Cal Poly Pomona with a Bachelor of Science in Mechanical Engineering.

Sam Neer

Sam’s successful track record of improving manufacturing capabilities for the aerospace industry’s most critical suppliers proved an excellent fit for AGSE-Westmont when he came aboard in 2019. He guides all facets of the company’s production process, from supply chain to planning to quality assurance. Previously, Sam held leadership roles with Morton Manufacturing, Process Fab, Monogram Systems, Advanced Machine & Stretchform International (AMSI), and Ducommun Aero Structures. He received his Bachelor of Science in Mechanical Engineering from California State University, Long Beach. Sam is a Honeywell Certified Black Belt.

Mike Coulson

An accomplished aerospace industry veteran, Mike served over four decades in various executive leadership roles for A.M. Castle & Company and thyssenkrupp Aerospace. His P&L responsibilities have ranged from managing single facilities to entire global business units. Mike holds a bachelor’s degree in Business & Economics from Washington State University and an MBA from Pepperdine University.

Patrick Tarvaran

In addition to leading AGSE’s accounting, information technology (IT), and human resources departments, Patrick oversees all corporate financial reporting and tax & treasury activities. Before joining the team in 2020, Patrick served as Chief Operating Officer & CFO at Western Office Interiors. He also held roles as President and CFO for Metrotile Manufacturing’s business units of Headwaters Incorporated, now Boral Limited, as well as CFO for the aerospace business unit of Microsemi. Patrick received a bachelor’s degree in Accounting from California State University, Fullerton, and an MBA from Pepperdine University. He is a licensed Certified Public Accountant (CPA).

Eric Henderson

Eric is responsible for building key customer and supplier relationships, expanding the AGSE brand globally, and establishing the company’s strategic goals and objectives. After transitioning from the Financial Services industry, he joined AGSE in 2015 as a Director of Corporate Development. Eric holds a bachelor’s degree in Finance from Trinity University and an MBA in Strategy & Operations from USC’s Marshall School of Business.

Diane Henderson

Under Diane’s leadership, AGSE has continued its legacy as the leading source of custom-designed, innovative GSE & Tooling solutions for the aviation industry. Since her appointment in 1995, Diane has overseen many organizational milestones, including the company’s product line expansion to accommodate larger engines for the industry’s latest aircraft, the move into its current 135,000-square-foot facility in Santa Fe Springs, California, USA, and the signing of its first decade-long licensing agreement to manufacture and support all LEAP Tooling. She graduated with a bachelor’s degree from UCLA and later earned her MBA from California State University, Long Beach.