Jim joined SignalFire in 2022 and serves as a Board Partner. Previously, he led the Portfolio Success team, which enables the firm to discover the best founders through innovative marketing and sourcing, then partners to accelerate their success as they build and scale their companies.
Prior to joining SignalFire, he was CMO at Stripe, leading the rapid transformation and growth of the Marketing team. He was previously CMO and Head of Growth at New Relic, using a range of data-driven practices to drive developer adoption and enterprise customer scaling. He joined New Relic through the acquisition of Opsmatic, a SaaS infrastructure startup where he was the CEO and co-founder. Prior to Opsmatic, he was CEO of Payvment, a pioneering social commerce platform acquired by Intuit.
He has spent his career creating and scaling businesses at companies such as Apple, Yahoo, and numerous high-growth startups.
March 10, 2026
Why SignalFire invested in Mega, an AI-powered growth platform that gives small and mid-sized businesses enterprise-grade marketing through automated SEO, ads, and website optimization.
October 8, 2025
AnyTeam is redefining B2B sales with the world’s first AI-native Sales OS, helping reps cut hours of admin to minutes. SignalFire leads the $10M seed to fix a $400B productivity gap and transform how AEs sell in the AI era.
February 4, 2025
Startups often make the wrong first marketing hire—focusing on growth before solidifying their positioning. Learn why product marketing should come first and how the right hire can set your company up for scalable success.
May 30, 2024
Discover all the latest tools and tips to create high-quality marketing assets courtesy of AI thought leader Ross Simmonds.
April 2, 2024
SignalFire has invested in the necessary infrastructure to take a truly data-driven approach to marketing.
January 11, 2024
Learn to manage the five core tasks of a sales development representative: Account targeting, prospect research, outreach, sequencing, and handoffs.
December 6, 2023
A quick guide to how SDRs can help, how to know when to hire one, and what go-to-market strategy they work best within.
November 9, 2023
Learn how to make continuous feedback a habit with QSD. Streamline your review process and improve collaboration. Boost productivity today!
November 6, 2023
Learn how to design free trials that close deals. Identify decision-makers, set success criteria, establish timing, and provide ROI for maximum conversions.
September 11, 2023
Which jobs AI could replace, what tools CMOs are using, and how to keep marketing authentic while personalizing at scale.
August 2, 2023
Learn how to emphasize practical use cases, predictability, and auditability to show safe, immediate ROI when you sell AI to enterprises
June 28, 2023
Discover how your startup can prevent customer churn and improve sales by splitting customer success from sales.
March 23, 2022
Ex-Stripe CMO Jim Stoneham says "I'm thrilled to be joining VC firm SignalFire as an Operating Partner to help our portfolio with marketing."