Senior Marketing Manager, Membership

Department: Marketing 
Team: Membership Marketing
Location: London with hybrid working 
Position type: Fixed Term Contract (maternity cover – ASAP start until 23rd December 2026); full-time

What the hiring manager says

"This role sits at the center of how we engage, support, and grow the GSMA member community. As Senior Marketing Manager, you will lead high-quality marketing initiatives that strengthen our Membership proposition, elevate our Working Groups, and support the delivery of the GSMA Pavilion at major MWC events. The work is varied, fast paced, and highly visible across the organisation. We are looking for a professional who excels in structured planning, delivers to a high standard, and brings confidence and clarity to complex projects. If you want to contribute to impactful global activity, collaborate with dedicated teams, and play a key role in advancing our membership strategy, this is an excellent opportunity."
Peter Montgomery, Senior Marketing Director, Industry Services & Solutions (ISS)

About the Team

The Membership and Working Groups team is responsible for all communications and marketing activities that support GSMA's global member community. We lead membership-focused marketing campaigns to drive engagement, support the sales team with retention and churn-reduction initiatives, and run lead generation efforts to attract new members. We manage the promotion and marketing of GSMA's Working Groups, ensuring their contributions and thought leadership are recognised across the industry. 

We are also responsible for the marketing and delivery of all GSMA pavilions at global MWC events, including Mobile World Congress, the world's largest and most influential connectivity event.

About the role

This role sits at the center of how we engage, support and grow the GSMA member community. As Senior Marketing Manager, you will lead high-quality marketing initiatives that strengthen our Membership proposition, elevate our Working Groups, and play a central role in delivering the GSMA Pavilions across global MWC events. The pavilions are a major focus for this position and require strong organisation, attention to detail, and confident cross-team coordination. The work is varied, fast paced, and highly visible across the organisation.

We are seeking a professional who excels in structured planning, delivers to a high standard, and brings clarity to complex, multi-stakeholder projects. If you want to contribute to impactful global activity, collaborate with dedicated teams, and be a key driver in the success of our membership and pavilion programmes, this is an excellent opportunity.

Key Responsibilities:

GSMA Member Retention and Engagement

•    Lead integrated marketing campaigns to increase member acquisition, engagement, and retention.

•    Craft compelling, segment-specific messaging and digital content.

•    Optimise digital marketing channels, including website content, email programmes, paid media, and social outreach.

•    Support the membership renewal process, including building and testing personalised and dynamic content emails.

•    Contribute to campaign ideas and broader membership initiatives such as onboarding enhancements.

•    Drive and manage member surveys and data initiatives:

•    Review CEO and Board survey questions.

•    Build survey structures and bespoke links.

•    Manage survey sends and track data collection.

•    Analyse results, prepare presentations, and share insights with stakeholders.

•    Observe and suggest improvements to the end-to-end member experience across Working Groups.

GSMA Working Groups Marketing 

•    Drive and execute marketing plans that support Working Groups strategic objectives.

•    Manage Working Groups content on

•    Draft and send Working Groups communications, including email updates and newsletters.

•    Develop new content or refine existing materials for newsletters, blogs, and promotional outputs.

•    Lead multi-channel marketing campaigns and engagement activities to increase member participation and visibility, including updates, event promotion, and speaker opportunities.

•    Produce promotional assets for Working Groups, including written content, design materials, and short videos or testimonials.

•    Oversee webinars and LinkedIn Live sessions for Working Groups.

•    Ensure consistent application of GSMA branding across all Working Groups digital assets and event materials.

•    Use Member Gateway insights and campaign performance data to refine future Working Groups marketing efforts.

•    Serve as part of the WAS event core project team

GSMA Member Gateway Marketing

•    Prepare Member Gateway news, help pages, and knowledge base updates.

•    Participate in UAT activities and contribute to release readiness.

•    Manage communications for Member Gateway feature updates.

•    Create and maintain member-facing guidelines, including FAQs and user instructions.

•    GSMA Pavilions (MWC Barcelona, Las Vegas, Doha, Shanghai, Kigali)

•    Lead GSMA Pavilion projects across global MWC events.

•    Manage Pavilion activations and ensure requirements are clearly communicated to stakeholders and vendors.

•    Coordinate briefing documents and maintain project documentation throughout the project lifecycle.

•    Oversee vendor contracts, demo briefs, asset delivery, and brand or design approvals.

•    Run regular internal and external stakeholder meetings.

•    Keep cross-functional teams informed, including Sales, IT, Finance, Legal, Events, and others.

•    Set and track KPIs to measure success and performance.

•    Manage budgets, monitor spend and optimise cost efficiency.

GSMA Pavilions (MWC Barcelona, Las Vegas, Doha, Shanghai, Kigali)

•    Lead GSMA Pavilion projects across global MWC events.

•    Manage Pavilion activations and ensure requirements are clearly communicated to stakeholders and vendors.

•    Coordinate briefing documents and maintain project documentation throughout the project lifecycle.

•    Oversee vendor contracts, demo briefs, asset delivery, and brand or design approvals.

•    Run regular internal and external stakeholder meetings.

•    Keep cross-functional teams informed, including Sales, IT, Finance, Legal, Events, and others.

•    Set and track KPIs to measure success and performance.

•    Manage budgets, monitor spend and optimise cost efficiency.

About You

•    You have extensive experience in B2B marketing, ideally within technology, telecom, or similar industries.

•    You have a strong experience in exhibition management, planning and production of booths, partner and demo management 

•    You have a proven track record of delivering measurable and successful marketing campaigns.

•    You excel at content creation and storytelling with strong audience-segmentation instincts.

•    You are confident using digital marketing tools, CRM systems, email automation platforms, campaign analytics, and reporting tools.

•    You have strong project management skills and can manage multiple complex initiatives simultaneously as well as contractor and 3rd party vendors

•    You have experience reaching and engaging new audiences and increasing participation in community-driven programmes.

•    You are proactive, confident, and comfortable driving initiatives forward.

•    You work well independently, adapt quickly to change, and can hit the ground running in a fast-paced environment.

Contract type

Worker type

Working at the GSMA offers you unparalleled access to the mobile industry. We offer a chance to truly shape the direction of mobile, whatever your role. By joining the GSMA, you will be exposed to a fast-paced rapidly evolving environment, working on global solutions, genuinely fascinating and industry-changing projects and a stimulating and dynamic environment designed to enable you to flourish.

In addition to architect-designed offices and competitive compensation, our benefits include fantastic learning & development opportunities, generous holiday allowances, four additional days off for professional development and many others.

To learn more about the GSMA, visit our career site, our LinkedIn page and our Twitter page.

Being You at the GSMA

We care deeply about diversity, equity and inclusivity and aspire to be the best at it. Your well-being and work/life balance is important, so flexi-time and remote working is available to all staff. We're keen to ensure everyone is equal, represented and connected so we particularly encourage applications from all demographics. The sucess of the GSMA year on year will continue to be contributed by people from all walks of life.

GSMA Values

Our values not only drive our culture – they shape how we work and interact inside and outside our global organisation.

Passionately driven

We approach everything we do with unparalleled capability, tenacity and commitment, knowing that the challenging scale, pace and complexity of our work is what leads to its world-changing impact.

Insightful leaders

We continually develop and engage our expertise, insight and creativity so that we're always ready to respond to the changing landscape with authority, agility and nuance.

Stronger together

We lean on each other so the industry can lean on us, embracing our diversity by actively seeking out perspectives and skill sets beyond our own, fuelling each other's successes and constantly asking how we can help.

Underpinning our values is our collective mindset to show up purposefully as good human beings every day, in every situation. When we're at our best – we are collaborative, considerate and compassionate to others, and we create a safe space for one another to thrive, assuming positive intent in our colleagues. And if we aren't at our best and the pressure is on – we feel free to be ourselves but still remain curious, lean into the tough stuff and we are always respectful to others and accountable for the part we play.