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Ancil Marshall

Ancil Marshall

Senior Guidance Navigation and Controls Engineer

Guidance Navigation and Controls
Aircraft, Spacecraft, Orbital Dynamics
Modeling and Simulation
48 years old
Boston (02108) United States (Massachusetts)
Employed Open to opportunities
Senior Guidance, Navigation and Controls (GNC) Engineer with over fifteen years of experience specializing in aircraft, missiles, launch vehicles, space vehicles and commercial drones. Expert in a wide-range of GNC responsibilities such as the modeling of aerospace vehicles, the design and analysis of feedback control laws, the development of guidance algorithms, the analysis of mission performance via simulations, the support of vehicle integration tests and on-site, in-field flight activities.

Strong project management skills demonstrated by leading various programs and heading up small multi-disciplinary teams for diverse projects. Firmly believes in team development through collaboration, training and mentoring.

Open to new opportunities in a GNC flight controls group where I can leverage my experience to ensure the success of challenging projects.

Robust and Adaptive Control

Boeing Training

April 2020 to June 2020
Robust and Adaptive MIMO control course featuring Optimal Output Feedback Control with Loop Transfer Recovery.

Mathworks DO178C


January 2020
2-day training on the Mathworks tool-chain to produce DO178C compliant embedded software using Model Based Development.
Details and Extracurriculars
  • Tools covered: Simulink Check, Simulink Test, Simulink Design Verifier, Simulink Coverage, Simulink Requirements, Simulink Report Generator, Simulink Code Inspector.

Simulink Coder and Polyspace

The Mathworks

November 2019
5 day training course on generating C code from Simulink and Stateflow Models, as well as Polyspace Bug Finder and Code Prover.

NASA GNC Webinars

NESC Academy Online

Since May 2017
  • Spacecraft Attitude Determination and Estimation
  • Launch Vehicle Flight Control System Design
  • Kalman Filtering
  • Spacecraft Attitude Control, Aircraft Flight Control
  • Multivariable Control : What you did not learn in school
Details and Extracurriculars

Robust Control Theory

Safran Training

October 2018
5 day course on classical feedback control, modern robust control including small gain theorem, H-infinity, loop-shaping and mu-analysis.
  • Digital Signal Processing (École Polytechnique Fédérale de Lausanne), July 2017
  • Space Mission Design and Operations (École Polytechnique Fédérale de Lausanne), May 2017
  • Aerial Robotics (University of Pennsylvania), July 2017
  • Robotics: Estimation and Learning ( University of Pennsylvania), July 2017
  • Control of Mobile Robots, Coursera (Georgia Institute of Technology), Certificate April 2013
Details and Extracurriculars

Astrodynamics Online Courses

Delft University of Technology, Netherlands

September 2017 to November 2017
  • Spaceflight, A Technical Primer
  • Satellite Orbit Determination

AIAA Webinars

American Institute of Aeronautics and Astronautics

October 2012
  • Introduction to Communication Satellites and their Subsystems
  • Overview of Missile Design and System Engineering
  • UAV Conceptual Design Using Computer Simulations
Details and Extracurriculars

iOS Development, Part 2

France Université Numérique (FUN) in collaboration with UPMC

April 2015 to June 2015
Online MOOC course on the FUN (France Unversité Numérique) platform, lead by Prof. Fabrice Kordon. Course taught in French. Topics include:
  • Geolocalisation and Mapping
  • Photos and Camera
  • Address Book
  • Sensors
  • Audio Player
  • Networking and Bonjour
  • NSXMLParser
Details and Extracurriculars

iOS & Mac OS X Programming

University of Washington, Seattle WA

September 2014 to March 2015
Online course through the Professional & Continuing Education department of University of Washington, Seattle WA. Taught by Mr. Tim Ekl. Topics include:
  • Storyboards, Autolayout and Adaptability
  • Responder Chain and Gesture Recognizers
  • UIViews, Table and Collection Views
  • Location and Mapping
  • Localization
  • Settings, Keychain and Touch ID
  • Multithreading, GCD, Operations, Operation Queues
  • Core Data
  • Networking
  • App Life Cycle and Backgrounding
  • Extensions
Details and Extracurriculars

Intermediate and Advanced C++

University of Washington, Seattle WA

March 2014 to August 2014
Online Professional & Continuing Education. Exceptions, STL containers, streams, algorithms, iterators, STL algorithms, templates, design patterns.
Details and Extracurriculars

French Language School

Cours de Civilisation Française de la Sorbonne

February 2014 to May 2014
Intensive French language classes at level C1
Details and Extracurriculars

CS107: Computer Organisation and Systems

Stanford University, Stanford CA

September 2011 to December 2011
Stanford Center for Professional Development. - In this course, you become a more effective programmer and gain a complete understanding of how computer systems execute programs and manipulate data. You will gain practical experience dealing with issues of debugging, performance, portability, and robustness. Topics include:
  • C programming language
  • Machine-level code and elements of code compilation
  • Computer arithmetic
  • Performance evaluation and optimization
  • Memory organization and management
Details and Extracurriculars

CS110: Principles of Computer Systems

Stanford University, Stanford CA

January 2012 to March 2012
Stanford Center for Professional Development - This course covers the principles and practice of engineering of computer software and hardware systems, including techniques for controlling complexity, virtual memory, and threads. Topics include:
  • Strong modularity using client-server design
  • Atomicity and coordination of parallel activities
  • Security, and encryption
  • Performance optimization
Details and Extracurriculars

GNC Theory and Applications

Georgia Institute of Technology

April 2009
4 day course on the principles of navigation by inertial, celestial and radio (including GPS) methods, the principles of guidance and control of 6-DOF motion, the characteristics and noise models of sensors and the dynamic behavior of controlled and guided systems.
Details and Extracurriculars

Master's of Aeropace Engineering

Georgia Institute of Technology, Atlanta GA

2000 to 2002
Details and Extracurriculars

Bachelor's of Aerospace Engineering

Georgia Institute of Technology

1997 to 2000
Details and Extracurriculars