Fundraising Fox
Find your path to Rishab
Sign up to see every warm intro you have to Rishab
- Paths you didn't know you had: your email and LinkedIn already hold routes to Rishab. We find them for you
- 2nd- and 3rd-degree connections: the friend-of-a-friend routes that take hours to manually find through your inbox or LinkedIn
- Answers now, not in days: momentum is everything in a raise. Skip asking around whether someone knows someone
Days of research, done the moment you sign in, with every route ranked by how warm it is.
About
Rishab Luthra is a co-founder of Sponge (YC W26) and previously worked in the crypto division at Stripe.
Founder at SpongeYC W26
Intro paths
Rishab went through Y Combinator (Winter 2026) — any YC alum in your network can reach them through the YC community.
Their group partner at YC was Brad Flora, Backing expeditions into the future — the partner who ran Sponge's batch and knows the company first-hand. YC profile ↗
In turn, Rishab can intro founders to Sponge's investors below.
Sponge's investors · 12
-2.png)
Co-founders at Sponge
Frequently asked questions
- Who is Rishab Luthra?
- Rishab Luthra is a co-founder of Sponge (YC W26) and previously worked in the crypto division at Stripe.
- Where does Rishab Luthra work?
- Rishab Luthra is Founder of Sponge.
- What companies did Rishab Luthra found?
- Rishab Luthra founded Sponge.
Founder mafias
Y Combinator mafia10,594
Also came through, then founded or led a company.
Google mafia1,712
Also came through, then founded or led a company.
Stripe mafia157
Also came through, then founded or led a company.
About this profile. Compiled from public sources — Sponge's own website and public professional profiles — and summarised by Fundraising Fox; every fact is kept with where it came from. Spotted an error, or would rather not be listed? Email privacy@fundraisingfox.com · How we build profiles · Your rights