EntrepreneurialCheck
Jules Testard estimated net worth profile

Jules Testard net worth

Jules Testard Net Worth 2026 (Estimated) · Founder at Jam.gg (formerly Piepacker) · YC S20
est. wealth $28K

Quick answer

Jules Testard's estimated net worth is $28K (range $20K – $42K) as of 2026. Jules Testard is Founder at Jam.gg (formerly Piepacker). Jam.gg (formerly Piepacker) valuation.

Jules Testard is Founder at Jam.gg (formerly Piepacker) (YC S20). Independent Entrepreneurial Check model estimate from public YC data.

At a glance

NameJules Testard
RoleFounder
CompanyJam.gg (formerly Piepacker)
YC batchS20
Est. company val$1.0M
Assumed ownership2.8%
Est. paper wealth / net worth$28K
$20K – $42K
  • Company status: Inactive
  • Region: France
  • Industries: Consumer, Gaming
  • Website: https://jam.gg/

Who is Jules Testard?

Jules Testard is a founder of Jam.gg, previously known as Piepacker, which is a platform for playing retro games online with friends.

Highlights:

  • YC S20
  • formerly Piepacker

About Jam.gg (formerly Piepacker)

At the crossroads of online gaming and video chatting, jam.gg is a web platform to play awesome multiplayer games with your friends. Jam.gg focuses on hyper accessibility with a patented technology cutting the internet bandwidth requirement by 15 on average. Jam.gg features top retro, pc indie and board games.

The project branched out in two companies in 2023 with Jam on one side and Onibi (https://onibi.gg/)...

FAQ: Jules Testard net worth and Jam.gg (formerly Piepacker) valuation

What is Jules Testard's net worth?

Jules Testard's estimated net worth is $28K (range $20K – $42K) as of 2026. Jules Testard is Founder at Jam.gg (formerly Piepacker). Entrepreneurial Check publishes an independent model-based estimate from public company and role data. Not verified net worth, and Entrepreneurial Check is not affiliated with Y Combinator or the profiled companies.

What is Jam.gg (formerly Piepacker) valuation?

Jam.gg (formerly Piepacker)'s estimated valuation on Entrepreneurial Check is $1.0M. That valuation, or a disclosed round when one is public, is the source for the paper-wealth estimate. Independent model output — not a verified appraisal or official mark.

What is Jules Testard's role?

Jules Testard is Founder at Jam.gg (formerly Piepacker), a Y Combinator-backed startup (batch S20).