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Jon McCullough — Product Marketer

Profile

Senior Product Marketer with 12+ years across B2C and B2B SaaS, from niche browsers to productivity tools used by 40M+ people. Specializes in positioning and messaging frameworks, multi-phase product launches, and customer research synthesis. Builds AI-native workflows to scale marketing impact beyond headcount.

Experience

Senior Product Marketing Manager

Doist (Remote) • Jan 2024 → Jan 2026

Fully remote, bootstrapped B2C & B2B SaaS behind Todoist (40M+ users).

  • Built Todoist's first positioning and messaging framework, validated externally via Wynter panel testing and customer research, and operationalized company-wide as the strategic foundation for all marketing initiatives.
  • Led product launch for Ramble (new AI feature in Todoist) across a multi-phase GTM from Experimental release through Public Beta to GA, coordinating cross-functional campaigns across paid, influencer, content, and brand channels.
  • Designed an AI-powered customer story pipeline using n8n and multi-agent AI architecture — replacing a manual case study process with automated testimonial extraction, classification against messaging pillars, and a structured permission-to-publish workflow.

Product Marketing, Team Lead

Deel (Remote) • Sep 2023 → Dec 2023

All-in-one HR platform for global teams, managing payroll and compliance across 150+ countries.

Senior Product Marketing Manager

Slite (Remote) • May 2022 → Apr 2023

Fully remote, Series A B2B SaaS with a knowledge base solution.

  • Led the beta launch of Ask — one of the first AI-powered features in the knowledge base category — owning positioning, messaging, video production, and Product Hunt execution within a two-week sprint, ranking #2 Product of the Day and validating demand that led Slite to spin Ask into a standalone product.
  • Re-developed core product positioning and pitch to support Slite's strategic pivot toward async-first teams, delivering updated homepage, key landing pages, and new competitor comparison pages.
  • Established Slite's first structured product update comms workflow, owning end-to-end GTM for feature launches including Discussions and building a repeatable cadence for product-led communications.

Head of Product Marketing

Vivaldi (Oslo) • Feb 2021 → Apr 2022

Bootstrapped B2C with a web browser and productivity suite solution.

  • Led a company-wide brand positioning project through competitive analysis, audience research, and cross-departmental workshops — developing and presenting multiple positioning strategies to leadership to unlock growth beyond the early-adopter segment.
  • DRI on flagship product launches including Vivaldi Android, Android Automotive, and Mail (beta) — owning GTM strategy, messaging, and cross-functional coordination across product, PR, and community.
  • Managed a cross-functional acquisition squad, owning Vivaldi's primary growth channels and aligning marketing, community, and product efforts toward user acquisition targets.

Growth Marketing Manager

Vivaldi (Oslo) • Nov 2016 → Feb 2021

Bootstrapped B2C with a web browser and productivity suite solution.

  • Grew Vivaldi's user base from 500,000 to 2.5M MAU over five years, leading product launch strategy, user acquisition, and onboarding/activation on a marketing team of four.
  • Drove monthly unique visits to vivaldi.com from 600,000 to 1.6M, establishing cross-channel content and campaign strategies in support of major product releases.
  • Secured consistent top-tier press coverage in WIRED, The Verge, TechCrunch, Forbes, and FastCompany — positioning Vivaldi as a credible alternative to Chrome for power users.

Head of Editorial & Media

Billetto (Remote) • Feb 2015 → Mar 2016

Online ticketing and event discovery platform during rapid European expansion.

  • Led a remote, multi-national editorial team of six, managing content and communications strategy across multiple European markets during Billetto's rapid expansion.
  • Built Billetto's content curation, publishing, and comms frameworks — establishing scalable editorial operations to support growth across new geographies.
  • Owned product direction for Billetto's core B2C experience (event discovery), shaping the user-facing product that drove marketplace engagement.

Editorial Manager

Billetto (London) • Mar 2013 → Mar 2015

Online ticketing and event discovery platform, UK market entry.

  • Grew Billetto's UK presence from zero to 700,000 members and 50,000 MAU, leading brand, content, and communications strategy to penetrate a highly competitive online ticketing market.
  • Scaled organic traffic from zero to 100,000+ monthly unique visits and 500,000 page views, building cross-channel editorial and digital marketing strategies from scratch.
  • Built a 70,000-subscriber newsletter audience within two years, establishing a key owned channel for event promotion and marketplace growth.

Volunteer & Freelance

Founder

MC Consulting • Sep 2023 → Present

AI Trainer

Iris AI • Jun 2016 → Dec 2016

Project Manager

Superside • Apr 2016 → Oct 2016

Senior Digital Advisor

Kry • Apr 2016 → Dec 2016

Education

Bachelor's of Science (Biology)

University of Victoria, Canada • 2001 → 2005

High School Diploma (Honors with Distinction)

F.H. Collins Secondary, Canada • 1997 → 2001