Senior Influencer Executive - Myprotein Japan

About THG Nutrition:

THG Nutrition 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, Myvitamins & 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 to empower those who want more. Everything we do is 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 movement forward.

Role: Senior Influencer Executive - Myprotein Japan 
Brand: Myprotein 
Employment: Full-time, Permanent 
Reporting to: Senior Marketing Manager
Location: WeWork Offices in Tokyo and the Greater Tokyo Area 

About the Role: 

Senior Influencer Executive - Myprotein Japan will be responsible for managing and growing our influencer partnerships to drive brand awareness, engagement, and sales. This role encompasses the full influencer lifecycle - from recruitment and relationship management to campaign execution and performance optimization. You will manage a diverse portfolio of influencers across YouTube, TikTok, and Instagram while working under clear KPIs and budget management. 

Responsibilities: 

• Research and discover influencer candidates in fitness, health, and nutrition fields 

• Execute strategic outreach to achieve monthly influencer acquisition targets 

• Negotiate contract terms with influencer candidates and optimize within budget constraints 

• Handle onboarding processes including product sample shipping and brand guideline explanation 

• Build and maintain strong relationships with existing influencer partners as primary point of contact 

• Conduct regular check-ins to understand influencer needs and identify collaboration opportunities 

• Coordinate influencer campaign briefs, timelines, and deliverables 

• Review and approve influencer content to ensure brand alignment 

• Register and update influencer information in internal systems 

• Track performance metrics (engagement rate, reach, sales, etc.) and measure ROI 

• Provide regular reporting in English (KPI achievement and budget execution status) 

• Analyze data to identify top performers and optimization opportunities 

• Monitor and manage influencer risks to ensure brand safety 

• Develop influencer utilization strategies in collaboration with the marketing team 

• Contribute to portfolio optimization balancing star, mid-tier, and emerging influencers 

Requirements: 

• 3+ years of practical experience in influencer marketing, social media marketing, or related fields 

• Deep understanding of major social media platforms (YouTube, TikTok, Instagram) and the influencer ecosystem in Japan 

• Knowledge and industry understanding of fitness, sports nutrition, and health fields 

• Proven relationship management and communication skills