Product manager for developer tools and data platforms, 7 years in. I ship by writing narrow specs,
cutting scope early, and measuring one metric per release. At Northbeam I took a billing product
from 0 to $9M ARR in 20 months with a team of 6 engineers.
7 yrproduct experience
$9MARR, product I own
34releases shipped
6engineers on my team
CAREER TIMELINE
2022 · Present
Senior Product Manager
Northbeam Software, Seattle
- Own usage-based billing: $9M ARR, 210 paying accounts, 99.98% invoice accuracy.
- Cut onboarding time from 14 days to 3 by replacing manual provisioning with self-serve flows.
- Run quarterly pricing reviews; 2024 repackaging lifted net revenue retention from 104% to 117%.
2019 · 2022
Product Manager
Ferrostack (acquired by Datawell, 2022), Portland
- First PM hire. Wrote the spec and led delivery for the query builder used by 40k monthly users.
- Interviewed 120+ customers; killed 2 roadmap bets before build, saving an estimated 3 quarters.
2017 · 2019
Associate Product Manager
Cascade Analytics, Seattle
- Shipped alerting v2 with 2 engineers; support tickets on false alerts dropped 44%.
2013 · 2017
B.S. Informatics
University of Washington · minor in Economics
TOOLKIT
SQLAmplitudeLinearFigma
A/B testingPricing & packagingAPI products
Jobs-to-be-done
ETC.
Speaker, "Metering Is a Product, Not a Cron Job", SaaStr Annual 2025 · talk
Mentor, UW Informatics capstone program, 2023 to now · 9 students
Writing, monthly product notes at tonystark.example.com · 4.1k subscribers