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John GravelynJG
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John Gravelyn

@johngravelyn

I lead automotive manufacturing operations from prototype launches to scalable, high-yield production systems.

United States
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What I'm looking for

I'm looking to solve high-stakes operational or financial problems through first-principles analysis, technical rigor, and decisive execution. I value environments where teams own root causes, improve systems directly, and deliver measurable results.

I've led production launches and manufacturing transformations at Rivian and Ford, recovering delivery timelines, reducing scrap, and building systems that perform under pressure. My work spans prototype execution, vertically integrated drive-unit assembly, emissions certification, and global reporting platforms.

At Rivian, I scaled a process engineering organization from 2 to 25 members and led a 26-person, two-shift team that improved OEE to 75% and reduced scrap by 75%. I helped launch the Enduro production line, tripled weekly drive-unit deliveries, and built quality controls that saved $7,500 per day in scrap.

At Ford, I designed automated global prototype reporting that brought roughly 2,000 delayed prototypes back to on-time delivery and avoided an estimated $60M in lost test time. I also earned Ford's VEV Executive Excellence Award for fixing broken systems and improving operational performance.

I'm now applying that first-principles mindset through First Principles Partners, helping engineers make high-stakes residential real estate decisions with technical modeling, risk assessment, and practical strategy.

Experience

Work history, roles, and key accomplishments

First Principles Partners logoFP
Current

Founder

Jan 2025 - Present (1 year 7 months)

Residential real estate is a $45 trillion system currently running on marketing fluff and gut feelings. After a decade in engineering leadership, launching production lines and designing systems to recover $60 million in lost time, it became clear to me that the housing market is just a massive story problem in need of a better model. I built First Principles Partners to be the system patch for th

Rivian logoRI

Manufacturing Process Engineering Manager - Propulsion

Jan 2023 - Jan 2025 (2 years)

Built and scaled a high-performing process engineering team from 2 to 25 members, establishing robust workflows and operational standards. Developed and implemented machine-specific protocols, guiding engineers through complex troubleshooting to prevent costly production downtime. Mentored team members and fostered a culture of accountability and ownership. Cultivated trust and inspired team engag

Rivian logoRI

Senior Manufacturing Process Engineer

Jan 2022 - Apr 2023 (1 year 3 months)

Led program management and process engineering transformation for major assembly lines, aligning cross-functional stakeholders across manufacturing, quality, and supply chain to exceed delivery goals.

Rivian logoRI

Senior Project Engineer - Manufacturing Process

Jan 2022 - Jan 2023 (1 year)

I had the opportunity to lead the launch and ramp-up of Rivian's vertically integrated drive unit assembly line, addressing critical quality and delivery challenges that threatened production timelines. My role was to diagnose root causes of complex issues, propose actionable solutions, and walk engineers through implementation, keeping everyone moving forward when analysis paralysis threatened to

Rivian logoRI

Senior Program Manager - Prototype

Jan 2020 - Jan 2022 (2 years)

I spearheaded completion of stalled prototypes while simultaneously launching new product builds, often under incredibly tight timelines. I managed all aspects of parts and tools for the initial R1S saleable builds, including one hyper-compressed stall build executed with just one day's notice.

I especially enjoyed building strong supplier relationships that dramatically reduced lead times and es

Ford Motor Company logoFC

Build And Release Engineer

May 2016 - Feb 2020 (3 years 9 months)

Led a global digital transformation roadmap to establish an enterprise prototype reporting and performance management platform, delivering executive governance across EV and AV fleets.

Ford Motor Company logoFC

Emissions Lab Test Engineer

Jan 2020 - Jan 2020 (0 months)

I directed all aspects of U.S. certification testing, ensuring compliance, accuracy, and safety across combustion, hybrid, and electric vehicle programs. I applied my data-driven mindset to streamline testing processes and eliminate inefficiencies. I really enjoyed streamlining testing processes and applying data-driven insights to support on-time program delivery and consistent regulatory approva

Ford Motor Company logoFC

Prototype Build Execution Engineer

Jan 2016 - Jan 2020 (4 years)

This is where I really learned the power of automation and data visualization in driving business decisions. I identified a critical need for standardized reporting across global prototype operations and led the development of solutions that dramatically improved delivery timelines.

Some key accomplishments:

• Designed and implemented an automated global prototype reporting system that enhanced

Jacobs logoJA

Ford Test Planner

May 2016 - Sep 2016 (4 months)

Developed new scheduling tools and automate old manual tools to oversee the prototype build process Maintain schedules and ensure urgency within the build process. Solved new and unfamiliar problem using communication and research.

Education

Degrees, certifications, and relevant coursework

UM

University of Michigan-Dearborn

Master of Engineering - MEng, Industrial Engineering

GU

Grand Valley State University

Bachelor of Science (B.S.), Physics

University of Michigan- Dearborn  logoUD

University of Michigan- Dearborn

Master of Science , Manufacturing and Industrial Systems Engineering

2017 - 2020

Grand Valley State University  logoGU

Grand Valley State University

Bachelor of Science , Physics

2012 - 2016

University of Michigan-Dearborn logoUM

University of Michigan-Dearborn

Master of Engineering, Industrial Engineering

Pursued a Master of Engineering in Industrial Engineering at the University of Michigan-Dearborn.

Tech stack

Software and tools used professionally

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