Stephen Griffiths Email & Phone Number

Denver, Co, Us

Denver, Co, Us

South San Francisco, California, Us

Working on the future of automated public transportation, reducing traffic congestion, and helping people get where they need to go in a way that is efficient, fast, and affordable.

Boulder, Co, Us

● Developed multiple image processing and color mapping algorithms for infra-red camera video processing● Developed several gimbal path planning algorithms for taking snapshots of power poles from multiple unique camera poses● Developed novel Scene Lock image-based gimbal steering ● Conducted numerous flight demonstrations of our multi-sensor camera system and mapping software● Developed a live color detection tool● Created focus peaking tools and tools for range-focus calibration and control● Developed a full suite of Videoscope tools● Developed numerous inertial navigation and image-based gimbal steering algorithms● Integrated license plate detection algorithms into mapping software including UX design and control● Led flight testing operations

Boulder, Colorado, Us

Guidance, Navigation, and Vision-Based Controls, Embedded Systems, Simulations, Project Management, Systems Engineering● Led the development of next-gen gimbal control and mapping software● Integration and testing of numerous color, infra-red cameras, and lenses into several cutting-edge gimballed camera products

Bethesda, Md, Us

● Helped lead development of the Kestrel autopilot, simulation software, and Perceptor gimbaled imaging systems as Technical Lead for team of 5 engineers and technical staff● Led development of a retractable gimbaled payload that was awarded a $4 million military contract becoming a “program of record" ● Won team Special Recognition for helping lead the development of the Perceptor gimbal product to market in less than one year from conception to production and winning the Army Puma payload contract ● Selected for Lockheed’s Early Leadership Development program● Recognized with the NOVA award, Lockheed’s highest honor, for teamwork and excellence in the rapid development of an industry-leading loitering munition● Interfaced numerous I2C, SPI, and UART devices and sensors● Worked on Geolocation, target tracking, vision-based net landing algorithms● Developed Python scripts for data analysis and algorithm testing● Developed cooperative control and simultaneous arrival algorithms for multiple UAVs● UX Development for controlling and coordinating numerous UAVs

● Developed and implemented multi-agent UAV distributed autonomy strategies● UX design and feature integration for multi-UAV mission planning and control software, Virtual Cockpit● Developed custom autopilot control algorithms for more than 10 UAV platforms and aided customers with integration and autopilot tuning● Wrote Phase 2 SBIR that was awarded nearly $800,000 to develop micro gimbal and implement UAV cooperative behaviors● Successfully managed system integration and development for a key customer. This program ultimately helped lead the way for Lockheed Martin acquisition of Procerus Technologies● Interfaced with numerous gimballed camera systems and RF radios● Worked on advanced Guidance Navigation and Control (GNC) algorithms for UAV

Woburn, Ma, Us

● Developed and implemented multi-agent distributed autonomy strategies● Created simulation environment in Matlab/Simulink that supported over 50 agents and included a graphical interface● Implemented quaternion attitude controllers, particle filters, Kalman filters, SLAM, and image mosaicking● Developed and implemented over 9 algorithms to facilitate cooperative behavior of teams of unmanned undersea robotic vehicles● Worked on target track estimation using teams of Unmanned Underwater Vehicles (UUV)

● Integrated magnetometers, laser range-finder, and optic flow sensors into the BYU autopilot● Designed and assembled a 2 ounce two-axis gimbaled camera system used for target localization● Implemented canyon following control algorithms successfully in simulation and hardware● Added realistic flight dynamics to autopilot simulation code● Designed and fabricated a custom optic flow sensor used for collision avoidance researchrch

Idaho Falls, Id, Us

● Worked with Sponsor to establish project timeline, metrics, and suitable UAV testing procedures● Helped design a flight path generation program to plan paths for efficient magnetic surveys● Compiled a 120 page flight manual for an Unmanned Aerial Vehicle ● Implemented ultrasonic height above ground sensing

Idaho Falls, Id, Us

● Designed and constructed an Unmanned Aerial Vehicle for geophysical/magnetic surveys ● Performed necessary ground and flight tests to isolate and reduce sources of sensor noise

Ms, Mechanical Engineering

Bs, Mechanical Engineering

Aas, Business