Senior Product Marketing Manager, Personalization

Boston · USD 116,000-174,000 · 5+ years experience · Posted Oct 20, 2026

At a glance

We’re looking for a Senior Product Marketing Manager to own the core narrative and innovation for Klaviyo Personalization, which helps brands turn first-party customer data into more relevant, higher-converting experiences across every channel.
You’ll be the dedicated PMM partner to the Personalization product team, shaping the roadmap with market and customer insight while leading launches that drive adoption, attach, and revenue.

Define the value proposition, messaging, and positioning for Personalization and its place in Klaviyo’s broader platform and AI narrative.
Lead go-to-market strategy and launch plans for new features and packaging, aligning Product, Sales, Customer Success, Enablement, Integrated Marketing, Support, and GTM Ops.
Partner with Product on how Personalization is packaged relative to the core platform, making it easy to buy, sell, and expand.
Be the voice of the customer and market with Product; synthesize research, beta feedback, win/loss data, and field input to shape priorities.
Develop campaigns, proof points, ROI models, and cross-sell playbooks that drive attach, usage, and retention.
Build GTM assets (decks, one-pagers, ROI calculators, demos, training) and serve as the Personalization SME for Sales, Customer Success, and Partners.
Develop customer stories, benchmarks, and data-driven content that show the impact of personalization, and represent Klaviyo at events and with analysts and press.
Define success metrics for launches and programs, report on results, and iterate.
Performs other related duties as assigned to support the K:Marketing PMM organization and the Personalization business.

5+ years of experience in B2B SaaS product marketing, with a track record of leading successful product launches from positioning through adoption.
Experience marketing data-, analytics-, or AI/ML-driven products, and the ability to turn technical concepts into clear, differentiated messaging for marketers and executives.
Examples of great positioning and messaging that cut through the noise and differentiated your product or service.
Know what great work looks like: you bring proven launch frameworks and playbooks, and know when to create your own to move fast.
Strong analytical skills, with comfort using data to size opportunities, measure impact, and tell a persuasive story.
Excellent verbal and written communication and presentation skills, including with senior leaders.
Excellent cross-functional collaboration and influence skills; able to lead without authority across Product, Sales, Marketing, and Customer Success.
Strong organizational skills and attention to detail, with the ability to prioritize and meet deadlines across multiple concurrent workstreams.
Bachelor’s degree in Marketing, Business, or a related field, or equivalent experience.
At least five years of related experience required, including product marketing at a software company.

Marketing technology and/or e-commerce experience is a significant plus.
Experience with sales enablement and working with Sales and Customer Success teams is preferred.
Experience with AI/ML, analytics, CDP, or marketing automation products is preferred.

This role may require up to 10% travel for purposes such as new hire onboarding, client or partner work if applicable, team meetings, and industry events.