Rishi Serumadar in

Rishi Serumadar

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founder at Stealth Startup
📍 United States

Rishi Serumadar is the founder and CEO of Margin, an a16z-backed AI fintech company based in New York. His firm is developing an AI-powered credit card to deliver personalized payment experiences and dynamic rewards. His background includes founding ventures in the sneaker bot industry and buy-now-pay-later services.

He started building sneaker bots at age 17 to automate purchasing for resellers, demonstrating an early ability to identify and solve market friction.

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Experience
6 Years
Current Role
founder
Job Level
Leadership
Location
United States
Personality Overview

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Decision Approach
Work Preference

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Priorities

Topics Rishi cares about

AI in Fintech
His current startup, Margin, is building what's described as the world's first AI-powered credit card to personalize consumer finance.
Consumer Credit
Both his current venture (Margin) and a previous one (Slipstream) are focused on innovating within the consumer credit and real-time credit bureau space.
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Career

Work history

3-2025
founder
Stealth Startup
2-2022 - 8-2023
co-founder
Slipstream
2-2018 - 3-2022
founder
Polar
In the press

Media appearances

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Education
Education details unavailable
Westcliff High School for Boys
Education details unavailable
a16z speedrun
Social presence
in
Behavioral profile

DISC profile (public)

DISC behavioral profile

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