Growth Marketing Manager — B2B Demand & Membership

Closerstill Media; Greater London; On-site; GBP 65,000 - 90,000; Full time

Job summary

CloserStill Media is seeking a Marketing Manager to lead demand generation for IMRG in London, England, combining creative campaigns with rigorous analytics. You will own the growth strategy, build integrated programs, and drive membership and revenue through data-driven decision making.

You will craft campaigns across email, content, social, and events, collaborate with the commercial team, and continuously test messaging and channels to optimize funnel performance.

Qualifications

• Background in demand generation, growth marketing, or B2B lead generation (Marketing Manager level or equivalent).
• Proven track record running integrated digital campaigns.
• Strong understanding of customer journeys and conversion funnels.
• Comfortable with CRM platforms (HubSpot experience essential) and marketing automation.

Responsibilities

• Create integrated campaigns (email, content, social, webinars) that move prospects from awareness to conversion.
• Work closely with the commercial team to understand what 'qualified' looks like, then deliver it.
• Test messaging, audiences, channels continuously — keep what works, ditch what doesn't.
• Build nurture sequences that move prospects through the funnel.
• Build an annual marketing plan that actually moves the dial on membership and revenue.
• Identify new audience segments and map out acquisition journeys.
• Find cross-sell opportunities across IMRG's product suite.
• Think long-term sustainability, not one-off wins.
• Work with analysts and content experts to turn their insights into lead-gen campaigns.
• Create thought leadership, reports, webinar content, and sales materials from IMRG's data.
• Build data-led social content that drives engagement.
• Make IMRG's expertise impossible to ignore.
• Build year-round strategies that keep people connected through events, webinars, reports, and community initiatives.

Skills

Demand generation

Growth marketing

B2B lead generation

Integrated digital campaigns

CRM platforms

Marketing automation

Copywriting

Data-driven decisions

Tools

HubSpot

Job description

CloserStill Media is seeking a Marketing Manager to lead demand generation for IMRG in London, England, combining creative campaigns with rigorous analytics. You will own the growth strategy, build integrated programs, and drive membership and revenue through data-driven decision making.

You will craft campaigns across email, content, social, and events, collaborate with the commercial team, and continuously test messaging and channels to optimize funnel performance.