Sin Challa

HBS MBA | Ex-Rivian & Tesla

Harvard Business School
Rivian

Available Saturday

Starting at 1:00 PM UTC

Questions?

You can start chatting with Sin before you get started.

Hi everyone, I’m Sin! I’m a second-year MBA student at Harvard Business School with a background in engineering and product management—I spent several years at Tesla, Rivian, and Plenty before business school. I love helping applicants, especially those from non-traditional or technical backgrounds, tell their stories clearly and confidently. Whether you need help shaping your narrative, reviewing essays, or making your application stand out, I’m here for it. Let’s make your MBA dreams a reality!

View all of Sin’s categories

Work with Sin

Protected by the Leland Experience Guarantee

Sin’s Product Management Qualifications

Experience level: Product Manager

I’ve built my career at the intersection of engineering, product, and manufacturing, leading hardware and software programs at Tesla, Rivian, and Plenty. Across these roles, I’ve launched products from concept to scale, navigating technical complexity, cross-functional alignment, and rapid iteration. I combine deep product execution experience with a systems mindset — helping teams build products that are scalable and impactful.

Sin can help with:

Behavioral Interview Prep

Execution

Frameworks

General Exploration

Influence & Collaboration

LinkedIn Review

Networking Strategy

Product Case Interview Prep

Promotion Strategy

Resume Review

Skill Building

Strategy & Vision

Work Experience

Senior Product Manager

Rivian

August 2021 - April 2024

- Managed the development and deployment of the Manufacturing and Lab Data Platforms and SCADA - for the current and future Cell, Battery, and Pack factories in Illinois and California.

Senior Engineer

Plenty

November 2018 - August 2021

- Responsible for hands-on design, and implementation of PLC & Ignition software. - Established software and electrical standards. - Integrated PLCs with MES systems to enable traceability of plants throughout the complete life cycle. - Designed industrial power and electrical cabinet layouts.

Electrical Controls Engineer

Tesla

July 2017 - October 2018

- Optimized the Automatic Storage and Retrieval System on the Stator line to meet cycle time targets. - Developed code to report availability data for analysis and study across the Battery Module line. - Automated calculation of ratios for build plans at decision points on the Stator line. - Lead the deployment of change control software from all controllers and robots at the Gigafactory 1.