Jeremy Gustin, President, CEO

Jeremy Gustin has a Bachelor of Science degree in Mechanical Engineering from CSU Sacramento, and a Master’s degree from UC San Diego focused on advanced structural analysis. He has over twenty-three years’ of industry experience performing structural modeling, static and dynamic analysis, and testing of advanced mechanical and aerospace systems using finite element methods. His design and analysis experience of high performance lightweight structures covers a multitude of industries, including aircraft, space, optics, and sporting goods. His structural dynamics expertise has also afforded opportunities to support aeroelastic simulations for several manned and unmanned flight development programs.

Chris Flanigan, Technical Fellow

Chris Flanigan has Bachelor and Masters degrees in Aeronautics and Astronautics from the Massachusetts Institute of Technology. He has more than thirty years experience in aerospace structures and structural dynamics. He is an expert in using NASTRAN superelement methodology and DMAP programming for analyzing extremely large models and advanced dynamic analysis. Chris is one of the original Founders of Quartus Engineering, and formerly served as the Chief Financial Officer.

Mark Stabb, Ph.D, P.E., Technical Fellow

Mark Stabb has a Bachelor of Science degree in Mathematics and Physics, as well as a Masters and a Doctorate degree in Engineering Mechanics from the University of Wisconsin at Madison. Mark has over twenty five years’ experience in performing structural and dynamic analysis of aerospace, mechanical and optical systems. He has extensive expertise in developing and applying advanced analysis methods and tools for satellite dynamics, flutter analysis, and advanced modal survey pretest methods. In addition, Mark is one of the original Founders of Quartus Engineering, having been its CEO for thirteen years and currently acting as CTO. Mark is a registered Professional Engineer in the states of CA, VA, WA, and HI.

Andy Kostuch, Director of Engineering, Herndon, VA

Andy Kostuch earned a Bachelor of Science degree in Engineering Mechanics and Mathematics (2000) and an Master’s in Engineering Mechanics (2001) from the University of Wisconsin, with coursework and research activities focused on structural analysis, computational methods, and test-analysis correlation. His industry experience has centered on advanced mechanical analysis of aerospace systems for government and prime contractor clients. Mr. Kostuch has leveraged his experience over a broad range of applications including spacecraft, launch vehicles, aircraft, opto-mechanical systems, wind power systems, theme park attractions, medical devices, and basic research. With Quartus since 2001, Mr. Kostuch opened Quartus’ first eastern region office in 2009 to support a growing local client base. As Director he manages a diverse, responsive, and experienced engineering staff committed to providing customer focused mechanical engineering solutions.

Russ Mitchell, Director of Engineering, Director of Business Development, San Diego

Russ Mitchell has a Bachelor of Science degree in Mechanical Engineering from the University of Arizona. He has a wide range of industry experience with mechanical, electrical, and systems engineering projects. He has unique experience in the development of manned and unmanned airborne structures utilizing advanced materials with focus on production environments. He has additional experience in real-time processing for industrial automation applications leveraging reliable mechanical and electromechanical components for high rate throughput. Mr. Mitchell’s background includes the design of large metallic structures including nuclear reactor vessels and subsystems, as well as ground support equipment (GSE) for the assembly, integration and test (AI&T) of many industries. His practical hands on experience provides a unique and realistic perspective to engineering solutions.


Brent Erickson has a Bachelor of Science degree in Mechanical Engineering from UCSD (2002).  He has over 15 years of industry experience in the structural and thermal analysis and testing of aerospace and mechanical systems using finite element methods.  He has broad experience leveraging advanced FEA for a variety of industries.   His expertise is in the structural dynamics and STOP analysis, testing, and correlation of spacecraft structures, payloads, and optical systems.  Brent has worked at Quartus since 2002 and now leads a group of nearly 40 analysis engineers with industry-leading capabilities in mechanical and aerospace analysis and simulation-driven engineering.  


Graham Nelson earned his Bachelor and Master of Science degrees in Mechanical Engineering from the University of California, San Diego with focus in structural analysis and signal processing.  He has 15 years’ experience in developing both high performance aerospace optical payloads as well as commercial calibration and metrology support of high volume manufacturing.  He has specific experience with high altitude mapping and intermediate range LiDAR, high bandwidth laser communication, camera calibration, cryogenic infrared imaging, and supporting components and technologies for applications in laboratory, commercial-factory, field-terrestrial, aeronautical, and space environments.  Beyond his general experience with project management/direction, his technical focus has been on system performance modeling, numerical analysis driven optical and opto-mechanical design, and comprehensive performance verification.

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Who We Are

Quartus Engineering Incorporated was founded in 1997 to provide quality advanced engineering services. Quartus specializes in the design and analysis of mechanical systems using computer-aided technologies. We are committed to serving the needs of the engineering community in a timely and cost-effective manner. Download our brochure.

SAN DIEGO 9689 Towne Centre Dr San Diego, California 92121 T (858) 875-6000   MORE INFO
HERNDON 2300 Dulles Station Blvd Suite 650 Herndon, Virginia 20171 T (571) 266-5300 MORE INFO