Senior Social Media Leader

Job ID: MAMCGLOBALR EXTERNALENGLOBALRequisition: R_ Company: MMC CorporateLocation: London, United KingdomEmployment type: RegularCategory: Marketing & CommunicationsIndustry: Real EstateSalary: 95000Posted:

We are seeking a Senior Social Media Leader, Executive & Brand Social Media Strategy to join the Social Media Center of Excellence at Marsh. This role will be based in London. This is a hybrid role that has a requirement of working at least three days a week in the office.

This role leads the firm’s most strategic social media portfolios, developing and delivering strategies that strengthen executive influence, elevate the Marsh brand and amplify our highest-priority business moments. Working closely with senior leaders and partners across Executive Communications, Marketing, Brand, Corporate Affairs and Talent Acquisition, you will shape how Marsh and its leaders connect with clients, colleagues and other priority audiences.

We will count on you to:

• Lead Marsh’s executive social media program in close partnership with Executive Communications, Marketing, and key stakeholders to build executive presence, visibility, influence, and thought leadership across the firm.
• Develop and execute tailored social media strategies for Marsh business CEOs and select Executive Committee members through a white-glove service model.
• Translate business priorities and individual leadership perspectives into compelling thought leadership and platform-native storytelling.
• Build editorial calendars, content plans, and activation strategies that deepen executive engagement with clients, colleagues, media, and prospective talent.
• Develop scalable frameworks, playbooks, and best practices that enable social media leaders across businesses and regions to activate their executives effectively.
• Lead the firm’s employer brand social media strategy in partnership with Talent Acquisition and the Employer Brand marketing leader. Build content strategies that showcase our culture, colleagues, and careers.
• Lead social media strategy and activation for the firm’s highest-profile enterprise initiatives, partnerships, and events, including the World Economic Forum Annual Meeting, Marsh Rising Professionals Forum, and Perspectives to Thrive symposium, among others. Develop integrated activation plans that connect enterprise priorities, executive participation, and audience interests before, during, and after each program.

What you need to have: 

• A significant number years of experience developing and delivering social media strategies within a global B2B or professional services organization.
• Proven experience leading executive social media and thought leadership programs, including working directly with senior executives.
• Excellent writing and editing skills, with the ability to translate complex business topics into compelling content and reflect the distinct voices of senior leaders.
• Excellent stakeholder management skills, with the ability to influence, build trust and align priorities across a complex, matrixed organization.
• Strong editorial judgment, strategic thinking and analytical capabilities, including the ability to turn performance insights into actionable recommendations.

What makes you stand out?

• A track record of building executive social media programs that deliver meaningful engagement with priority audiences.
• Experience shaping social media brand expression across a global organization, including developing standards, templates and playbooks that balance consistency with creative innovation.
• Experience connecting executive, corporate and employer brand storytelling into coordinated enterprise programs.
• Demonstrated ability to turn major partnerships and flagship events into sustained social media engagement.
• Experience setting strategic direction for others and building capabilities across business and regional teams.
• A strong creative perspective, with the ability to assess emerging formats and platform developments and apply them effectively in a B2B environment.

Why join our team:

• We help you be your best through professional development opportunities, interesting work and supportive leaders.

• We foster a vibrant and inclusive culture where you can work with talented colleagues to create new solutions and have impact for colleagues, clients and communities.

• Our scale enables us to provide a range of career opportunities, as well as benefits and rewards to enhance your well-being.

Marsh (NYSE: MRSH) is a global leader in risk, reinsurance and capital, people and investments, and management consulting, advising clients in 130 countries. With annual revenue of over $27 billion and more than 95,000 colleagues, Marsh helps build the confidence to thrive through the power of perspective. For more information, visit marsh.com, or follow us on LinkedIn and X.
Marsh is committed to embracing a diverse, inclusive and flexible work environment. We aim to attract and retain the best people and embrace diversity of age background, civil partnership status, disability, ethnic origin, family duties, gender orientation or expression, gender reassignment, marital status, nationality, parental status, personal or social status, political affiliation, race, religion and beliefs, sex/gender, sexual orientation or expression, skin color, or any other characteristic protected by applicable law. We are an equal opportunities employer. We are committed to providing reasonable adjustments in accordance with applicable law to any candidate with a disability to allow them to fully participate in the recruitment process. If you have a disability that may require reasonable adjustments, please contact us at
Marsh is committed to hybrid work, which includes the flexibility of working remotely and the collaboration, connections and professional development benefits of working together in the office. All Marsh colleagues are expected to be in their local office or working onsite with clients at least three days per week. Office-based teams will identify at least one “anchor day” per week on which their full team will be together in person.