EntrepreneurialCheck
Jules Testard estimated net worth profile

Jules Testard Net Worth (Estimated)

Founder at Jam.gg (formerly Piepacker) · YC S20

est. wealth $28K

Quick answer

Jules Testard's estimated net worth / paper wealth is $28K (range $20K–$42K) as of 2026.

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 ownership3%
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/)...

Model inputs

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

What is Jules Testard's net worth?

Jules Testard's estimated net worth / paper wealth is $28K (range $20K–$42K) as of 2026. Entrepreneurial Check publishes an independent model-based estimate from public company and role data.

Jules Testard net worth

Jules Testard's estimated net worth / paper wealth is $28K (range $20K–$42K) as of 2026. This Jules Testard net worth figure is estimated paper wealth, not a verified statement of assets.

How much is Jules Testard worth?

Jules Testard's estimated net worth / paper wealth is $28K (range $20K–$42K) as of 2026. How much Jules Testard is worth here means estimated paper wealth from public company and role data — not financial advice.

How rich is Jules Testard?

Jules Testard's estimated net worth / paper wealth is $28K (range $20K–$42K) as of 2026. “How rich is Jules Testard” here means estimated paper wealth from public company and role data — not verified net worth or financial advice.

Jules Testard fortune

Jules Testard's estimated net worth / paper wealth is $28K (range $20K–$42K) as of 2026. This Jules Testard fortune figure is estimated paper wealth only, not a verified statement of assets.

Jules Testard equity value

Jules Testard's estimated net worth / paper wealth is $28K (range $20K–$42K) as of 2026. Jules Testard equity value on this page is modeled paper wealth from estimated ownership — not a disclosed cap table or verified net worth.

What is Jam.gg (formerly Piepacker) valuation?

Jam.gg (formerly Piepacker)'s estimated valuation on Entrepreneurial Check is $1.0M. Independent model output, not a verified appraisal or official mark.

What is Jam.gg (formerly Piepacker) post-money valuation?

Jam.gg (formerly Piepacker)'s estimated valuation on Entrepreneurial Check is $1.0M. That figure is a modeled post-money mark when a public raise is available — not a verified appraisal or official mark.

What is Jam.gg (formerly Piepacker) funding?

Jam.gg (formerly Piepacker) funding, when a public raise is available, is a model input on this Entrepreneurial Check profile. How much Jam.gg (formerly Piepacker) raised is not a complete cap table — figures are estimates only.

How much did Jam.gg (formerly Piepacker) raise?

How much Jam.gg (formerly Piepacker) raised, when disclosed, informs the estimated Jam.gg (formerly Piepacker) valuation and founder paper-wealth figures on this page. Independent estimate only — not a complete cap table or financial advice.

How much money did Jam.gg (formerly Piepacker) raise?

How much money Jam.gg (formerly Piepacker) raised, when a public figure is available, is a model input for the estimated Jam.gg (formerly Piepacker) valuation on this profile. Estimates only — not a complete cap table.

What is Jam.gg (formerly Piepacker) series funding?

Jam.gg (formerly Piepacker) series funding, when a public raise is disclosed, informs the estimated Jam.gg (formerly Piepacker) valuation here. Not a complete financing history.

What company is Jules Testard building?

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

What does Jam.gg (formerly Piepacker) do?

Jam.gg (formerly Piepacker) — Jam.gg, play couch games online with friends

What YC batch is Jules Testard from?

Jules Testard is associated with Y Combinator batch S20.

Where is Jules Testard based?

Public directory data lists Jules Testard's region as France.

What industry is Jules Testard in?

Jules Testard is listed under Consumer, Gaming.

What is Jam.gg (formerly Piepacker)'s status?

Jam.gg (formerly Piepacker) is listed as Inactive in public company data.

What else is notable about Jules Testard?

formerly Piepacker.

Is Entrepreneurial Check affiliated with Y Combinator?

No. Entrepreneurial Check is an independent informational site and is not affiliated with, endorsed by, or sponsored by Y Combinator or the profiled companies.