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Ishan Sharma
FounderCTO at Cardboard · Founder at Sellscale
San Francisco, California, United States
FoundedCardboard · YCSellscale
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About
Ishan Sharma is founder of Cardboard. He previously spent approximately 4.5 years at HackerRank leading product development, and has background in web systems and applied AI.
CTO at CardboardYC W26
Intro paths
Ishan 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 Ankit Gupta, General Partner at Y Combinator — the partner who ran Cardboard's batch and knows the company first-hand. YC profile ↗
In turn, Ishan can intro founders to Cardboard's investors below.
Cardboard's investors · 5
Co-founders at Cardboard
Founder at Sellscale
Intro paths
In turn, Ishan can intro founders to Sellscale's investors below.
Sellscale's investors · 6
Co-founders at Sellscale
Frequently asked questions
- Who is Ishan Sharma?
- Ishan Sharma is founder of Cardboard. He previously spent approximately 4.5 years at HackerRank leading product development, and has background in web systems and applied AI.
- Where does Ishan Sharma work?
- Ishan Sharma is CTO of Cardboard and Founder at Sellscale.
- What companies did Ishan Sharma found?
- Ishan Sharma founded Cardboard, Sellscale.
Founder mafias
Y Combinator mafia10,594
Also came through, then founded or led a company.
HackerRank mafia9
Also came through, then founded or led a company.
Cardboard mafia2
Also came through, then founded or led a company.
About this profile. Compiled from public sources — Cardboard'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