Staffed for Success

Our staff and management team at SeyTec are experienced in aerospace sales, procurement,
logistics, finance, quality and supply chain management. With over 300 years of collective
experience, we are ready to help you.

stephanie seybert profile

Stephanie Seybert


Stephanie Seybert holds a Bachelor's degree in Entrepreneurship and Venture Management from The University of Oklahoma and an Executive MBA degree in Aerospace and Defense from The University of Tennessee.

She is certified by the Missile Defense Agency as a Six Sigma Greenbelt, a member of The Honor Society of Phi Kappa Phi and a board member for the Haslem Aerospace and Defense MBA Program.


David Seybert


David Seybert founded SeyTec in 1988, and he continues to have direct involvement with its day-to-day operations. Seybert’s 40+ years of knowledge and technical expertise is unrivaled in the industry.

ronnie childs profile

Ronnie Childs

Vice President of Sales & Marketing

Ronnie Childs has been with SeyTec for 20 years and utilizes that experience to oversee its customer service team. His strong relationships with both customers and vendors are invaluable to the success of the business. He has developed a tenured team with unparalleled technical understanding of our products, who are willing to go the extra mile.

operations team

Shown from left to right:
Lockheed Martin Program Management Team from left to right: CSR Vee Phanmaha, Program Manager Jennifer Haynes, Expeditor Jen "Doc" Docton, Program Manager Suzanne West, and CSR Joy Phethmany, shown with Owner and CEO Stephanie Seybert (Center).

Sales Team

Tom Anderson, Director of Development

Mark Arrietta, Director of Development

Steve Covert, Sales Manager

John Shields, Technical Sales



Tammy Seybert, Comptroller

William Hart, Director of Operations

Matt West, General Manager

Jaime Wade, Logistics Manager

Diane Walls, Materials Manager

Donna Kilgore, Purchasing Manager

Alex Zuniga, Quality Assurance Manager

Earnest Johnson, QMS Manager

General Contact

To reach specific departments, please contact:
Customer Service
Quality Assurance
Human Resources


SeyTec News

  • Blue Origin’s Shahir Gerges discusses a post-ISS orbital economy at TC Sessions: Space November 30, 2022 9:43 am TechCrunch NASA’s plan to decommission and deorbit the International Space Station (ISS) by 2031 creates another collaborative, multinational opportunity to provide a persistent orbital presence. Yet, the path to achieving that goal remains unclear. Here’s the rub. …
  • COP27: Ten things we have learnt from the Egypt summit November 30, 2022 7:20 am Professional Adviser The COP27 Climate Summit finally closed on an early Sunday morning earlier this month, delivering both an historic deal to introduce a new Loss and Damage fund and recriminations over governments' continuing failure to accept unabated fossil fuels need …
  • South Korean leader eyes “landing on moon in 2032, Mars in 2045” November 29, 2022 7:04 pm SpaceNews South Korea aims to establish a national space agency modeled after NASA by next year. SEOUL, South Korea — President Yoon Suk-yeol of South Korea said Nov. 28 that the country will land a robotic spacecraft on the moon in 2032 and on Mars in 2045, when …