Manager, Marketplace Sales

About GNC

Since 1935, GNC has been a global leader in health and wellness innovation, inspiring people to achieve their goals with a trusted and dynamic range of products. As #TeamGNC, we prioritize our consumers, constantly collaborating and developing new ideas to deliver cutting-edge solutions. Our team is passionate about driving change and turning aspirations into actions. We believe that good health is the greatest gift, and there's nothing more rewarding than helping others achieve it. Join us in empowering others to Live Well!

What We’re Looking For:

At GNC we embrace a “Live Well” philosophy, fostering a dynamic environment where innovation meets passion.  Whether someone is an athlete or just starting to focus on their health, we want to deliver the cutting-edge products they deserve. We are looking for an individual who is excited and eager to play a pivotal role in driving excellence in the health and wellness industry. This position offers the opportunity to engage in a collaborative environment where you will make a personal impact every day. 

GNC is seeking a results-driven Manager, Marketplace Sales to support and manage GNC’s wholesale marketplace relationships with third-party partners selling on platforms such as Amazon, Walmart, Target, and other strategic marketplaces. This role is responsible for driving sales performance while protecting and elevating the GNC brand across all partner-managed marketplace environments.

This position is evenly split between sales performance management and brand stewardship, serving as the primary internal partner to the third-party marketplace operator. The role plays a critical part in the end-to-end launch and scale of new products, ensuring alignment across pricing, content, inventory, and marketing to deliver a consistent and high-quality consumer experience.

What You’ll Do:

This is a Full-Time Salary Position

The Manager, Marketplace Sales is pivotal to driving sales growth, profitability and an optimized consumer experience across marketplace platforms.

• Act as the primary internal point of contact supporting third-party wholesale partners operating GNC products across Amazon, Walmart, Target, and similar marketplaces.
• Partner with the third-party operator to drive sales growth, revenue, and profitability while ensuring alignment to GNC’s commercial objectives.
• Review and validate sales performance, forecasts, and promotional plans provided by the partner.
• Leverage partner BI tools and insights to assess trends, identify opportunities, and inform growth strategies.
• Own weekly, monthly, and quarterly business reviews, including KPI tracking and performance reporting.
• Serve as a brand steward across all marketplace platforms, ensuring consistency in product content, imagery, copy, pricing, and promotional execution.
• Partner with Brand, Marketing, and Legal teams to approve content, claims, and merchandising standards prior to marketplace publication.
• Monitor brand compliance and competitive dynamics, proactively addressing risks related to brand dilution, pricing integrity, or consumer perception.
• Own the end-to-end marketplace launch process for new products through the third-party partner, from concept approval to post-launch performance optimization.
• Coordinate cross-functionally with Product, Supply Chain, Marketing, and Finance to ensure launch readiness (content, inventory, pricing, promotions, and timing).
• Track launch performance, assess scalability, and drive optimization opportunities post-launch.
• Maintain and evolve the marketplace KPI scorecard, tracking sales, profitability, availability, content quality, and launch success metrics.
• Support the creation of executive leadership materials, including insights, performance summaries, and recommendations.
• Complete ad hoc reporting and analysis as needed to support strategic decision-making.
• Additional duties as assigned. 

Environmental Factors & Working Schedule:

• Hybrid work environment, 3 days in-person attendance (Pittsburgh, PA) in addition to ability to work remotely.
• Regularly required to stand; walk; sit; use hands or fingers to handle or feel; reach with hands and arms; stoop, kneel, crouch, or crawl; and talk or hear
• Sedentary work. Exerting up to 10 pounds of force occasionally and/or negligible amount of force frequently or constantly to lift, carry, push, pull or otherwise move objects. Repetitive motion. Substantial movements (motions) of the wrists, hands, and/or fingers. The worker is required to have close visual acuity to perform an activity such as: preparing and analyzing data and figures; transcribing; viewing