Electric vehicles
10 Tesla battery engineers
These ten current Tesla battery engineers hold battery and cell engineering roles at Tesla, covering cell design and qualification, cell materials, cell modeling, battery structures and battery analysis. A reader can learn what battery engineer work at Tesla involves from people who have done it.
Professionals to explore
01—10Christopher Kang
LinkedInExperience: Former Staff Mechanical Design Engineer - Battery Structures · Tesla
Former Staff Mechanical Design Engineer - Battery Structures at Tesla (2018–2020), and Senior Manager - Battery Structures at Tesla since 2024 after Manager - Battery Structures (2020–2024). Christopher Kang describes a background in EV battery pack design for structure and safety, and was Mechanical Design Engineer - Battery Engineering at Tesla (2014–2018).
Ethan Perrin
LinkedInExperience: Staff Engineer, New Technology Investigation, Battery · Tesla
Staff Engineer, New Technology Investigation, Battery at Tesla since 2026. Ethan Perrin also held Tesla roles as Sr. Engineer, New Technology Investigation, Battery (2025–2026), Sr. Mechanical Design Engineer, Battery (2022–2025) and Mechanical Design Engineer, Battery (2020–2022).
Hari Ramachandran
LinkedInExperience: Senior Cell Engineer · Tesla
Senior Cell Engineer at Tesla since 2025, where Hari Ramachandran says they work on designing cathode materials for lithium ion batteries that can be manufactured at scale. Former Cathode Cell Engineering Intern at Tesla (2024) and Research Aide at Argonne National Laboratory (2019).
Leo Michel-Grosjean
LinkedInExperience: Lead Cell Design Engineer - Cybercab · Tesla
Lead Cell Design Engineer - Cybercab at Tesla since 2025. Leo Michel-Grosjean also held Tesla roles as Co-Lead Cell Design Engineer - Semi (2025), Cell Design Engineer - R&D (2024–2025), Battery Design Engineer - Cybertruck 4680 Structural (2023–2024) and Launch Battery Design Engineer - Model Y Prismatic Structural (2022–2023).
Maan Al‐Zareer
LinkedInExperience: Staff Battery Analysis Engineer · Tesla
Staff Battery Analysis Engineer at Tesla since 2024 and former Senior Computational Analysis Engineer at Tesla (2022–2024), where Maan Al‐Zareer says they lead advanced battery and thermal analysis. Former Thermal Engineering Analyst at Taiga Motors (2021–2022) and Postdoctoral Researcher at University of Toronto (2019–2021).
Michael Chen
LinkedInExperience: Staff Battery Cell Engineer, Team Lead · Tesla
Staff Battery Cell Engineer, Team Lead at Tesla since 2026, working on cell product development and qualification, per the profile. Michael Chen also held Tesla roles as Staff Battery Cell Engineer (2025–2026) and Sr. Battery Cell Engineer (2023–2025), and was NPI Battery Cell Engineer at Apple (2022–2023).
R. Petibon
LinkedInExperience: Sr Staff Cell Materials Engineer · Tesla
Sr Staff Cell Materials Engineer at Tesla since 2021 and Sr Staff Cell Material Engineering scientist at Tesla since 2022. R. Petibon also held Tesla roles as Staff Cell Materials Engineer (2018–2021), Senior Research Engineer (2017–2018) and Research Engineer (2016–2017), and is listed in Westmount, Quebec.
Tracey Atkinson
LinkedInExperience: Sr. Staff Battery Cell Engineer · Tesla
Sr. Staff Battery Cell Engineer at Tesla since 2022, with the role listed in Palo Alto. Tracey Atkinson describes the role as cell development and NPI group manager covering cell engineering, and lists cell engineering and program management at Tesla as the focus of their work.
Tushar Swamy
LinkedInExperience: Staff Cell Engineer · Tesla
Staff Cell Engineer at Tesla since 2024, developing new in-house cell products, per the profile. Tushar Swamy describes 16 years in the battery industry and was Engineering Manager, Cell Design at Our Next Energy (ONE) (2023–2024), Battery Engineer at Joby Aviation (2021–2022) and Sr. Cell Engineer at Uber (2018–2021).
Zeyang Geng
LinkedInExperience: Staff Cell Modeling Engineer · Tesla
Staff Cell Modeling Engineer at Tesla since 2025 and listed as Senior Cell Modeling Engineer at Tesla since 2023, based in Palo Alto per the profile, with work on modeling and characterization. Former Postdoctoral Researcher at University of Oxford and at The Faraday Institution (2022–2023).
Choose the right perspective
Match the engineer to the layer of the battery your question is about, since cell chemistry and materials, cell design and qualification, pack structures and thermal analysis call for different expertise. Check seniority and tenure, since staff engineers and team leads have usually seen more programs through to production.
Questions to take into the conversation
- 01How do you take a new cell design from the lab to qualification for a vehicle program?
- 02Which tests and models tell you most about a cell's long-term performance and safety?
- 03How do cell engineers and pack structure engineers work together when a battery is part of the vehicle structure?
Reaching Tesla battery engineers
How can I contact one of these Tesla battery engineers?
Pick one of the 10 people on this page and choose "Book a paid call", or describe your project to find others. You offer a fee for a 15-minute call or a written answer, Instant Expert finds the person's work email and sends the invitation, and they decide whether to accept. The list covers 1 company: Tesla, based on profile data retrieved on October 15, 2026. Being listed here doesn't mean someone has agreed to take calls.
How much does it cost to reach Tesla battery engineers?
You choose the offer, starting at $5 per person. The offer is what the person receives, and Instant Expert's fee is added on top, so a $100 offer costs you $125. The fee is 20% of what you pay. You're charged only when the person books the call or sends the answer.
What if they don't reply?
You pay nothing. Instant Expert sends follow-up reminders, and if the person hasn't booked or answered within 7 days, the request expires and any hold on your card is released. You can invite several of the 10 people on this list at once and cap your total spend, so you pay only for the ones who accept.
Can an AI agent ask one of these Tesla battery engineers a question?
Yes. An agent with a USDC wallet on Base can ask one question without an Instant Expert account. It names the person, for example by the LinkedIn URL on this page, and pays per ask over x402 (HTTP 402). The person answers in writing or by voice note, and if nobody answers within 7 days, the payment goes back to the wallet automatically. x402 docs
About this directory
This is a professional research starting point based on business profile data retrieved on . Titles and companies reflect that source snapshot; roles marked former had ended by then. Check the linked profiles for current details. Inclusion does not imply Instant Expert membership or availability.
Request a correction or removal