Resume
David Brown
Applied Mathematician & Aerospace Engineer
Professional Summary
Harvard Applied Mathematics student specializing in aerospace engineering and machine learning. Published researcher with two Nature publications on high-altitude balloon navigation, expertise in optimal control theory, and mathematical modeling. Currently serving as Chief of Staff at Urban Sky while pursuing dual M.S./B.A. degrees with Magna Cum Laude honors.
Professional Experience
Chief of Staff
May 1, 2025 - PresentUrban Sky
Denver, COLeading strategic operations and continuing technical leadership in balloon navigation systems for high-altitude surveillance and research missions.
- Ensured timely completion of all company goals and objectives
- Continued leadership over balloon navigation systems development
- Strategic oversight of multimillion-dollar government contracts
- Cross-functional team coordination and business development
Simulations Engineer
November 1, 2022 - May 1, 2025Urban Sky
Denver, COLed development of advanced balloon navigation systems using optimal control theory and machine learning for autonomous high-altitude operations.
- Developed high fidelity model of balloon system operating in chaotic and dynamic 3D space
- Leveraged Optimal Control Theory to develop AutoPilot system for complex nonlinear dynamic systems
- Started Machine Learning Sector for controlling balloons using classical ML and reinforcement learning
- Managed small team in development of several multimillion-dollar AFWERX/SBIR government contracts
- Led business development opportunities for humanitarian and sustainable development applications
- Conducted scientific studies into trends in wind behavior, historical shifts, and forecasting accuracies
Simulations and Modeling Intern
May 1, 2022 - November 1, 2022Urban Sky
Denver, CODeveloped custom balloon flight simulators and analysis tools for mission planning and company expansion.
- Modeled Balloon Flight Behavior by creating Custom Simulator using large wind and geographical datasets
- Created tool for analyzing flight viability of any location in the US based on Wind and Geographical Conditions
- Developed proprietary software for upcoming company expansion initiatives
- Provided government contracting support for Phase 1 and 2 SBIR proposals
Aerospace Engineering Analyst Intern
June 1, 2023 - August 1, 2023Maxar Technologies
Herndon, VAAdvanced spacecraft mission planning and orbital mechanics analysis for space-based intelligence systems.
- Developed tools for fully customizable space-based simulator including high fidelity multibody transfer
- Implemented optimization algorithms solving complex orbital transfers with up to 60% reductions in fuel costs
- Leveraged Machine Learning to eliminate costly planning procedures, achieving 98% faster flight planning
- Presented work to over 200 Applied Machine Learning Experts
- Led small team in simulation and modeling for intelligent space agent decision-making
- Specialized in Cis-Lunar and N-body Orbits and Transfers research
Education
Master of Science in Applied Mathematics
September 1, 2021 - May 1, 2025Harvard University
GPA: 3.945/4.0
Honors:
- HBS Fellowship (Roberts Family / Technology Innovation Fellow)
- Thomas T. Hoopes Thesis Award (2025)
- John Harvard Scholarship Award (2022)
Bachelor of Arts in Applied Mathematics
September 1, 2021 - May 1, 2025Harvard University
GPA: Major GPA: 4.0/4.0
Honors:
- Magna Cum Laude with Highest Honors in Applied Mathematics
- Secondary in Astrophysics
Technical Skills
Programming Languages
Aerospace & Simulation Software
Machine Learning & AI
Engineering & Fabrication
Mathematical Modeling
Publications
Seasonal and geographic viability of high altitude balloon navigation
D. Brown, M. Linz, J. Leidich • Nature Scientific Reports • 2024
Comprehensive analysis of global wind patterns and their impact on high-altitude balloon navigation capabilities.
The Goldilocks zone for high altitude balloon navigation
D. Brown, M. Linz, J. Leidich • Nature Communications Earth & Environment • 2024
Identifies optimal atmospheric conditions and altitude ranges where high-altitude balloons achieve maximum navigation control authority.
Flight Safety of launching a high altitude balloon through airspace
D. Brown, et al. • Pre Print • 2024
Safety analysis and risk assessment framework for high-altitude balloon operations in controlled airspace.
Awards & Recognition
Thomas T. Hoopes Thesis Award
2025Harvard University
Prestigious award recognizing outstanding undergraduate thesis work in Applied Mathematics.
John Harvard Scholarship Award
2022Harvard University
Merit-based scholarship recognizing academic excellence and potential for leadership.
HBS Fellowship (Roberts Family / Technology Innovation Fellow)
Harvard Business School
Selective fellowship program supporting technology innovation and entrepreneurship.