Account Manager, Arts & Entertainment

Description
About MARI Group
MARI is a global events and experiences company powering world-defining live experiences. Our portfolio of premium live properties spans sports, art, and entertainment — including the Madrid and Miami Open tennis tournaments, Frieze (a leading voice in contemporary art), and Barrett-Jackson (the premium U.S. collector car auction company). MARI also includes TodayTix Group, the global e-commerce leader for cultural experiences, connecting millions of customers with the best in live entertainment.
MARI is reshaping the live events landscape — building a growing portfolio of category-defining events and brands that set the standard for what's next, across sports, entertainment, art, and lifestyle.
At MARI, you'll work alongside people who are passionate, curious, and driven — people who believe that live experiences have the power to shape culture, and who care about the work, the mission, and each other. We welcome outstanding applicants of all backgrounds and encourage everyone to apply.
About the Role
We are seeking a strategic, commercially minded and experienced Account Manager to join MARI’s Arts & Entertainment team. This is a permanent, full-time role based at 180 The Strand, London, reporting to the Senior Account Director. You’ll sit within the Arts & Entertainment division, working closely with internal teams across marketing, PR, and operations, and your work will have direct impact on the successful delivery and growth of our sponsorship portfolio.
As the primary owner of high-value and complex brand partnerships, you’ll be responsible for managing the full lifecycle of sponsorship delivery - from onboarding through to post-event reporting - across a flagship event portfolio including Taste of London, Big Feastival, Hyde Park Winter Wonderland, Glide at Battersea Power Station, Hampton Court Palace Festival and Blenheim Palace Festival. This is a high-impact role for someone who thrives on building long-term client relationships, leading activations with precision, and driving commercial results. If you’re energised by live events, culture, and brand partnership - and you have a proven track record of delivering exceptional sponsor experiences - this role was built for you.
What Success Looks Like:

• Successful delivery and implementation of sponsor contractual obligations across our events portfolio
• Long-term retention of sponsors and partners through re-signing and renewal
• Upselling additional products and services to existing sponsors, while delivering added value without compromising event brand values
• Strong working relationships with all internal departments and external suppliers, enabling smooth and cost-effective delivery of sponsor activations and rights

What You'll Own:
Client & Relationship Management

• Manage a portfolio of sponsors, leading on all aspects of contract delivery from onboarding through to post-event reporting.
• Act as the primary contact for high-value sponsors, ensuring service excellence and strategic alignment.
• Build long-term, trusted relationships that drive client satisfaction, retention, and renewal.

Strategic Planning & Activation

• Develop strategic activation plans aligned with sponsor objectives, brand values, and event environments.
• Lead sponsorship kick-off and planning meetings with clients and internal teams including marketing, PR, and operations.
• Identify upsell opportunities and deliver added value within existing partnerships.

Event & Operations Oversight

• Oversee the design, build, and content creation of sponsored features in collaboration with Event Management and Operations teams.
• Ensure flawless execution of all pre-show and on-site deliverables, meeting contractual obligations and brand expectations.
• Represent sponsor interests across all event touchpoints, securing timely approvals and managing internal workflows.

Commercial & Budget Management

• Own budget oversight for each sponsorship agreement, including cost tracking, reconciliation, and ROI evaluation.
• Support the Sales team in proactive renewal conversations and new business proposals.

Team Management & Collaboration

• Manage the Account Management Coordinator, ensuring workloads are balanced and professional development is supported.
• Reporting into the Senior Account Director, who holds ultimate responsibility for the Account Management team.
• Collaborate closely with cross-functional teams and external suppliers to deliver rights effectively and efficiently.

What You Bring:

• 3-5 years of experience in a similar role within entertainment, music, live events or sports sponsorship (agency or rights holder side)
• Proven track record managing strategic, high value brand partnerships
• Strong understanding of the entertainment, sponsorship and events industry and future trends with a passion for working with brands.
• Commercially minded with the ability to align brand goals with event delivery.
• An understanding of financial, legal, marketing and operational business functions
• Excellent time management skills, ability to work calmly under pressure whilst meeting deadlines.
• Proven organisational and administrative skills: capacity to multitask and prioritise.
• Strong verbal and written communication skills with meticulous attention to detail.
• Ability to build long lasting working relationships with internal and external stakeholders at a senior level.
• A strong team player that is flexible and willing to get involved in all sorts of projects dependent on business need
• Ability to be agile, strategic and thoughtful when faced with challenges and change.
• Good working knowledge of MS Office software, including Word, Excel, Outlook and PowerPoint.
• Happy to commit to occasional weekend and evening work where you may be required to travel to events in line with the Arts & Entertainment portfolio, including Taste of London, Big Feastival, and Winter Wonderland.

Benefits
Here are some of the Benefits and Perks offered at MARI Group:

• Hybrid work environment (blend of in-office and at-home days)
• Pension match and access to a bespoke pension scheme
• Paid Parental Leave
• Employee Assistance Programme
• Enhanced gyms, wellness and financial wellbeing apps access via Wellhub
• Flexible Paid Time Off

MARI believes in the power of live experiences to unite people — and we know that can only be achieved when we reflect the full diversity of the world around us. As a global company that shapes culture across sports, art, and entertainment, we are committed to fostering an inclusive workplace and to practicing anti-discrimination across race, gender identity, sexual orientation, disability, and beyond. We recognise that systemic inequality and discrimination remain challenges across the events and entertainment industry, and we are dedicated to driving meaningful progress — both within our own organisation and across the wider industry we are proud to be part of.