Marketplace Manager - THG Nutrition | Myprotein

About THG We are THG, a global ecommerce group on a mission to be the global online leader in beauty and sports nutrition. Our portfolio of leading retailers and brands such as LOOKFANTASTIC, Myprotein, ESPA, Perricone MD, and Cult Beauty form our two core businesses: THG Beauty and THG Nutrition. From Manchester to New York, we’re powered by a team of over 2500 people who work together, lead by example, and think BIG.  

With us, you’ll go further, faster. What are you waiting for? Role:
Marketplace Manager  - THG Nutrition Report to - Head of Marketplaces

Location:

THG ICON 1, 7-9 Sunbank Lane, WA15 0AF
THG Nutrition & Wellness: THG Nutrition & Wellness is home to some of the best loved and most trusted names in wellbeing and nutrition, including Myprotein, the world's largest online sports nutrition brand, its family of brands, Myvegan, My vitamins and MP Activewear.

We want to be the world's most empowering health movement, championing everyone to live healthier, more active lives. Our brands and people exist to break boundaries, to power and empower those who want more. We break conventions, we’re a force for good, and we keep it real. These are the values that drive us through every day. Everything we do is done in-house, from manufacturing and new product development to content creation, e-commerce, marketing and logistics.

This means we’re perfectly positioned to deliver to our vision and keep our place at the top of a fast-moving, global industry.  It's an incredibly exciting time to join the team, and we’re always looking for talented people who share our vision and values to drive our Nutrition & Wellness movement forward.

About the role:

We are seeking a commercially-minded, data-driven Marketplace Manager to join our team and lead the execution and tracking of our budget across Amazon and other marketplaces. Reporting into the Head of Marketplaces, this individual will take ownership of our top-line revenue targets and ensure marketing spend stays within pre-agreed budgets, all while delivering insights that fuel growth and margin control. You will play a critical role in ensuring we hit commercial KPIs through proactive tracking, internal alignment, and sharp performance analysis.

While a strong working knowledge of Amazon is essential, success in this role will be determined by your ability to think strategically, manage cross-functional projects, and analyse data to guide high-impact decisions. As a Marketplace Manager You'll Budget Ownership:
Manage and monitor the marketplace budget, ensuring spend is aligned with agreed parameters while supporting revenue growth objectives.  Target Performance:
Take ownership of top-line revenue targets for Amazon and other marketplaces, working with internal stakeholders to deliver commercial goals.  Strategic Input:
Work closely with the Head of Marketplaces to shape channel strategy and optimise category/brand performance.  Data & Analysis:
Track key performance metrics (e.g. TACoS, ROAS, contribution margin) and turn data into actionable insights to drive results.

Cross-functional Collaboration:

Work across Marketing, Supply Chain, Finance, and Product teams to ensure marketplace activity aligns with business-wide objectives  Performance Reporting:
Own the creation and presentation of regular reports on performance vs. budget, highlighting risks, opportunities, and recommendations. What skills and experience do I need for this role:
Proven experience working in or closely with Amazon (1P/3P), ideally within the sports nutrition or broader FMCG sector. Strong commercial acumen with a track record of managing revenue and marketing budgets. Comfortable working with large datasets and platforms such as Excel, Helium 10, or similar…