Sr. Manager, Amazon Marketplace
About M Drive
M Drive is the men’s health brand built for men who refuse to slow down.
We support men 40 plus who still train, compete, and expect results but understand their bodies need smarter support than they did at 25. Our products use clinically tested ingredients and are designed to support energy, metabolism, strength, and long term vitality without shortcuts or hype.
M Drive stands for performance, longevity, and discipline. We do not sell quick fixes. We help men stay strong, capable, and in control as they age.
As the number one men’s health brand at Sprouts and a fast growing leader on Amazon and DTC, M Drive is scaling nationally through trusted endorsers, retail leadership, and high performing digital marketplaces.
Our mission is simple. Inspire men to take control of their health.
The Role
Sr. Manager of Amazon Marketplace owns the growth and profitability of M Drive’s third party marketplaces, with Amazon as the primary revenue driver and Walmart.com and future marketplaces as growth extensions.
This role is accountable for revenue, margin, media efficiency, and brand execution across marketplaces. Sr. Manager of Amazon Marketplace works closely with the CEO, VP of Marketing, COO, and external partners to ensure marketplace performance supports M Drive’s One Vision plan.
This is a revenue owner role, not a channel manager role.
Core Responsibilities
Marketplace Revenue Ownership (Primarily Amazon)
- Own marketplace revenue, contribution margin, and media efficiency
- Set annual and quarterly growth plans aligned to company targets
- Position Amazon as a primary conversion engine within the broader marketing flywheel
- Ensure advertising drives profitable growth, not just volume
Marketplace Strategy and Optimization
- Lead Amazon strategy across paid media, organic rank, pricing, promotions, and inventory health
- Oversee PDP optimization, A plus content, Brand Store execution, and conversion improvements
- Partner with brand and creative teams to maintain M Drive standards on Amazon
- Stay current on platform changes and competitive trends
Multi Marketplace Expansion
- Own strategy and execution for Walmart.com and future marketplaces
- Define channel specific assortment, pricing, and promotional plans
- Maintain brand consistency and margin discipline across platforms
Agency, Vendor, and Partner Leadership
- Act as the internal owner for external Amazon and marketplace agencies
- Hold partners accountable to clear KPIs and business outcomes
- Manage relationships with Amazon Vendor or Seller teams and marketplace partners
- Evaluate when to outsource versus build in house capabilities
Reporting and Accountability
- Present weekly marketplace performance tied to executive scorecards
- Surface risks early and lead corrective action
- Turn data into decisions and priorities
Success Metrics
- Net marketplace revenue versus plan
- Contribution margin after media
- Advertising efficiency including ROAS and TACoS
- Conversion rate and subscription mix where applicable
- In stock rate and Buy Box health
Qualifications
- Five to eight plus years owning Amazon or marketplace revenue
- Experience managing five million plus in annual marketplace sales
- Strong understanding of Amazon advertising, merchandising, and profitability
- Cross functional leadership experience with marketing, operations, and finance
- Comfort presenting performance and decisions to executive leadership
- Walmart.com or multi marketplace experience is a plus
Why This Role Matters
Marketplace is not just a sales channel for M Drive. It is a core profit and conversion engine for national demand created through endorsers, retail, and media.
This role exists to own that engine, scale it responsibly, and strengthen the entire business.