GuideTech Team

James Cook

Co-Founder

President

 
 

James has 16 years of experience developing autonomous air-vehicles from concept-phase to successful flight-test demonstration. James serves as President of GuideTech and Software Architect. James served as GNC lead for Raytheon’s Active Protection System, System Performance Lead for Raytheon’s Joint Air to Ground Missile (JAGM), Modeling & Sim Lead for SNC’s Dream Chaser Space Plane, GNC lead for Stratolaunch Space Plane, Medium Launch Vehicle and Talon Hypersonic Research Vehicle as well as Guidance & Estimation lead for CURES counter UAS system developed by AFRL. James received his MS degree in Dynamics and Control from the University of Southern California and his BS degree in Aerospace from Iowa State University. He has 4 patents in missile guidance.

Chris Mickle

Engineering Fellow

 
 
 

Chris received his B.S. in electrical engineering at Lamar University and his M.S. and Ph.D. at Louisiana State University. He has over 22 years of experience as a GNC engineer at Raytheon, where he worked on autopilots, guidance design, simulation modeling, hardware testing, unit integration and flight test support.  He supported the original Advanced Precision Kill Weapon System development. He was GNC/Software lead on the Griffin design, development, and transition to production where he led the integration onto fixed wing, rotary, ground, and naval launchers. He developed the GNC and led integration testing for the Pike Guided 40mm Grenade which successfully demonstrated seeker based guided flight in less than 18 months. He developed the GNC and led integration testing for both the Guided Multipurpose Munition as well as the Pike Guided 40mm Grenade. Additionally, he led GNC for the DARPA MAD-FIRE’s program.  

In addition, he has supported concept development and provided subject matter expert support on many programs in Advanced programs including: UAVs, autogyros, missile defense, lunar explorers, and multiple missile concepts. He was promoted to Engineering Fellow in 2016. He developed and carried out several novel methods for integration testing including: Body Motion isolation testing, IMU characterization, bearing noise testing, and seeker characterization. Chris joined GuideTech in the summer of 2022 and is excited to apply his expertise to our numerous programs.

George Jeffrey Geier

Technical Advisor

Navigation

 
 
 
 

Mr. Geier retired as an Engineering Fellow at Raytheon Missile Systems, where he led navigation efforts in a number of applications, including: navigation Monte Carlo and covariance analysis in support of multiple programs; math models for multi-antenna arrays to assess GPS performance in jamming environments; RTK algorithm development in support of precise relative positioning applications; multi-ship jammer geolocation analysis for an IRAD effort. In addition, Mr. Geier taught “Introduction to Inertial Navigation” and “Introduction to GPS” at the Raytheon Learning Institute.

Prior to Raytheon, Mr. Geier spent more than 36 years with integrated navigation systems, GPS navigation and signal processing, and GPS Anti-Jam (AJ) analysis and integrity monitoring. His past experience in GPS/INS integration includes both military (Draper Laboratory, TASC, Intermetrics, and The Aerospace Corporation) and commercial (Trimble and Motorola) applications. At Motorola, he led efforts to integrate their GPS receiver technology with dead-reckoning sensors for automotive applications and designed signal processing approaches for cell phone integration of GPS. He was appointed to Motorola’s Science Advisory Board in recognition of his technical leadership.

Mr. Geier is a member of the Institute of Navigation and the Institute of Electrical and Electronics Engineers and holds 38 navigation-related patents. He received his BS and MS degrees in Aeronautics and Astronautics from MIT, and is a former instructor for NavTech Seminars, where he taught a two-day course in GPS/INS integration nationwide for ten years. He is also a co-author of Understanding GPS: Principles and Applications, ArTech House, first and second editions.

Roger Mason

Technical Advisor

Navigation

 
 
 
 
 

Roger received his B.S. in Electrical Engineering from the University of Utah and his M.S. from Stanford University. After graduating Stanford, he started work at Hughes Aircraft Company in Tucson, Arizona which was latter purchased by Raytheon. After 35 years of service in the Guidance, Navigation, and Control Center, he retired as an Engineering Fellow.

At Raytheon, he managed the TOW missile hardware in the loop lab, were he was responsible for the design and verification of the guidance and control software before becoming involved in Navigation. Some of his accomplishments include the development of several 6-DOF simulations including the TOW, FOG-M, and the Tomahawk Block four missiles. Was the team lead for the Tomahawk Navigation sub-system design which included the design and software development for the navigation code to process the IMU measurements, and the Kalman filter to blend GPS, Barometric altimeter, Digital Scene Matching Area Correlator (DSMAC) and Terrain correlation measurements (TERCOM). He also served as the hardware interface technical lead for the GPS anti-jam receiver development. He led the technical team to perform system integration and testing of the Navigation sub-system including both hardware-in-the-loop simulation as well as Van testing. He was a member of the Tomahawk first flight test team, responsible for navigation.

Other activities include the developed a transfer-alignment package for the Paveway missile; developed of the Navigation Software for both the APNT and SM3 missile programs; and modification to the Tomahawk Block III software to allow a differential GPS solution using a DSMAC measurement to extend the maximum stand-off distance by a factor of ten.

Cassie Ottander

Administrator

 

Cassie graduated from the University of Tennessee, Knoxville in 2006 with a BS in aerospace engineering. Prior to joining GuideTech in 2022, she worked for Raytheon Missile Systems and Dynetics. She currently serves in several volunteer leadership roles in the Huntsville, AL area.