TSTI: Dedicated to Engineering Excellence in Space

Teaching Science & Technology, Inc. (TSTI) is your space systems engineering capability partner.

For more than 30 years we’ve helped organizations build disciplined engineering maturity—from early mission architecture through execution—by embedding practical systems thinking into their people, processes, and programs.

Our work spans commercial space companies, defense organizations, and national space agencies wanting to build capacity by developing their technical workforce. Through integrated courses, workshops, consulting engagements, and applied frameworks such as the Decision Framework and Essential Lifecycle Model, we enable teams to make better architectural decisions, align proposal promises with execution realities, and implement digital engineering in ways that actually improve outcomes.

TSTI is veteran-owned and globally engaged, bringing decades of applied aerospace experience to organizations that are serious about building effective space capability.

Accelerate Your Space Systems Engineering Journey with TSTI.

TSTI partners with space professionals and organizations to accelerate engineering maturity through practical systems thinking, mission architecture discipline, and applied digital engineering.

More about us

TSTI’s Core Convictions

Capability Is a System—Engineering maturity does not come from isolated training, tools, or hiring.Workforce, architecture, processes, leadership, and culture are interdependent. If you don’t treat capability as a system, it will fragment.
Architecture Drives Everything—Early architectural decisions determine cost, risk, schedule, resilience, and scalability. Most space programs fail upstream—not downstream. Architecture is strategy in technical form.
Digital Engineering Must Improve Decisions—Modeling for the sake of modeling doesn’t add value. MBSE, digital twins, and lifecycle tools only matter if they clarify architecture, expose trade-offs, and support execution. Otherwise, they are just overhead.
Alignment from Bid to Build—Proposal promises and execution realities must be connected. Requirements, architecture, program management, and V&V must align from Day 1. Discipline early prevents rework later.
Scale Without Breaking—Growth amplifies weaknesses. New organizations often scale faster than their engineering discipline. Sustainable expansion requires structural maturity—not just ambition.

More about us

is the author of Understanding Space: An Introduction to Astronautics, a contributing author and editor of two other books and has over 30 years of space systems experience.

is a former Deputy Department Head for Labs and Research of the Department of Astronautics at the U.S. Air Force Academy and has over 35 years of aerospace engineering experience.

is an experienced space program manager and industry executive. He has published more than 20 technical papers and book chapters on satellite design and space systems engineering.

has over 30 years of space systems engineering and project management experience. He is the founder of Applied Space Solutions Limited and managing director of KISPE.

is managing editor of McGraw-Hill’s Space Technology Series, editor and coauthor of Space Mission Analysis and Design, and co-editor of Applied Space Systems Engineering.

is the President of Imagine Space Technical and Management Services, a space program engineering consulting firm located in Broomfield, CO. He is a retired USAF officer who served 26 years.

is the Director of Online Learning, an adjunct professor for the Space Systems Engineering Master’s program at Stevens Institute of Technology and assistant editor for the Space Technology Series.

is the Department Chair of the Computer Networking and Cybersecurity Department at Pikes Peak Community College. She has an MS in Cybersecurity and Information Assurance.

Debbie has been supporting Teaching Science and Technology, Inc. behind the scenes since 2008.

has years of MBSE experience with a variety of tools. She has helped develop and present dozens of MBSE training sessions to a variety of commercial, government and DoD customers.

is a skilled professional with over two decades of experience in the wireless phone industry. She has held various technical support roles in finance, social media and hardware repairs.

About

TSTI: Dedicated to Engineering Excellence in Space

TSTI’s Core Convictions

Dr. Jerry Jon Sellers

Dr. Peter Van Wirt

Dr. Bruce Chesley

Dr. John Paffett

Dr. Wiley Larson

Dr. John Turner

Pam Magee

Terri Johnson

Debbie Van Wirt

Amanda Winters

Shannon Kimball

Courses