GTM Growth Marketer
About The Position
Pantheon is building an early-stage go-to-market engine for a new product and is looking for a GTM Growth Marketer Manager to own the experimentation loop at its core. This role is not a traditional demand generation role. The marketer will design and run structured outreach experiments across Ideal Customer Profiles (ICPs) and message variants, interpret the signal that comes back, and feed those learnings directly into positioning in partnership with the Product Marketing Manager and overlay AE team. This role is ideal for someone who thinks in hypotheses, not campaigns, and is energized by turning messy early-stage signal into crisp GTM decisions.
Requirements
- 7+ years of B2B marketing experience, with meaningful time in demand gen, outbound, or sales-adjacent roles.
- Demonstrated ability to design experiments and draw conclusions from imperfect data.
- Strong instincts for outbound — sequences, hooks, personalization, and what makes a cold outreach actually work.
- Comfortable working from Gong calls and deal data, not just marketing analytics.
- Experience with sequencing tools (Outreach, Salesloft, Apollo, or similar) and CRM hygiene.
- Collaborative working style — you'll be in a tight loop with PMM, AEs, and founders.
Nice To Haves
- Experience at a company one or two stages ahead of where we are now (e.g., seed hire from Series A/B).
- Familiarity with ABM approaches and account-level signal tracking.
- Background that spans both PMM and demand gen — you understand positioning, not just pipeline.
Responsibilities
- Design and run outbound experiments that cleanly isolate ICP and messaging variables.
- Define experiment cadence, success metrics, and review rhythm.
- Maintain a living ICP scorecard tracking response rates, objection patterns, and segment-level conversion.
- Build and manage outbound sequences across email, LinkedIn, and video.
- Own pipeline metrics for the overlay AE team: MQLs, meeting-set rate, and conversion by segment.
- Instrument campaigns so signal is attributable and actionable.
- Synthesize response data, Gong call themes, and deal outcomes into positioning updates.
- Partner with the PMM to translate field signal into messaging refinements.
- Be the connective tissue between what the market is saying and what we're telling it.
- Develop and iterate outreach sequences, talk tracks, and one-pagers tuned to each ICP under test.
- Keep enablement materials in sync with positioning cycles.
- Work closely with overlay AEs to understand what's landing and what isn't.
- Own the outreach and measurement toolstack (sequencing tool, CRM hygiene, pipeline reporting).
- Define and maintain reporting that surfaces experiment learnings, not just activity metrics.
Benefits
- Industry competitive compensation and equity plan
- Flexible time off, sick days, and 13 paid holidays
- Comprehensive medical insurance including Health, Dental, and Vision
- Paid parental leave (plus fertility, adoption, and other family planning benefits)
- In-office workspace
- Monthly allowance for wellness, reading, and access to LinkedIn Learning for continued development
- Events and activities both team-based and company-wide that inspire, educate, and cultivate
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What This Job Offers
Job Type
Full-time
Career Level
Manager
Education Level
No Education Listed
