Marc Tremsal

Marc Tremsal leads product and go-to-market work as an operating partner at ONE TO TEN, which he cofounded, and advises companies as a fractional CPO. Previously, he led product work at AtomicJar, growing Testcontainers, and at Datadog, where he worked on cloud security.

Career

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Based in: New York City
Elsewhere

ONE TO TEN

Sep 2025 — Present

Operating Partner

Independent

Apr 2024 — Present

Fractional CPO & Advisor

AtomicJar, Inc. (acquired by Docker)

Oct 2022 — Apr 2024

Head of Product

Datadog

Nov 2018 — 2022

Director of Product Management

KPMG

Oct 2014 — Dec 2017

Manager

BearingPoint

Nov 2010 — Jul 2013

IT Strategy Consultant

Capgemini

Apr 2010 — Sep 2010

Consultant (intern)

Worldgrid

2009 — 2009

System Analyst and Developer (intern)

Centrale Nantes

Master's studies in software

Products & media

marc.trems.al

Shifting Integration Testing Left

Marc explains how Testcontainers and remote test execution can simplify dependencies and reduce reliance on broken staging environments.

Writing

marc.trems.al

Why ONE TO TEN

An account of the thinking behind starting ONE TO TEN and its focus on helping software companies navigate product-market fit and go-to-market growth.

Writing