Demand and Inventory Planner | Biossance

THG•San Francisco, CA

4d•$90,000 - $100,000•Hybrid

About The Position

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. With us, you’ll go further, faster. What are you waiting for? Life at THG Beauty We know that beauty isn’t one-size-fits-all. Our portfolio of leading retailers and iconic beauty brands caters to everyone, everywhere, empowering customers all over the world to look and feel fantastic. By combining our portfolio of owned brands with a marketplace for over 1,300 third-party beauty brands through online retail sites LOOKFANTASTIC, Cult Beauty, and Dermstore, THG Beauty's ambition is to be the global digital partner of choice across the beauty industry, supporting the channel shift to online. THG Beauty’s breadth of relationships is unique to the beauty market; it engages with brands as a retailer, a brand owner, and a product developer and manufacturer, making it the industry’s digital strategic leader. Why be a Demand and Inventory Planner at THG Beauty? Biossance is a pioneering clean beauty brand built on biotechnology, efficacy, and sustainability. Powered by sugarcane-derived squalane and cutting-edge science, Biossance delivers high-performance skincare that’s safe for people and the planet. Available at Sephora and leading global retailers, Biossance continues to drive innovation within prestige skincare - where Beauty Meets Biotech. The Demand and Inventory Planner is responsible for supporting the development and execution of demand forecasts, while maintaining data related to revenue, retail sales, and inventory performance. This role plays a critical part in ensuring data accuracy, consistency, and integrity across planning processes, supporting SKU-level forecasting, new product launch planning, and ongoing reporting across B2B and D2C channels. The Associate will partner closely with Sales, Planning, and cross-functional teams to ensure alignment between demand forecasts, revenue targets, and inventory levels, while delivering reliable reporting, actionable insights, and data-driven analysis to support business decisions.

Requirements

1-2 years of experience in demand planning, inventory management, or related field.
Experience working with B2B or retail methodology and data is a plus.
Strong proficiency in Microsoft Excel, including formulas, pivot tables, and managing complex datasets.
Demonstrated ability to work with large, detailed datasets and ensure a high level of data accuracy.
Understanding forecasting principles and inventory management concepts (e.g., demand variability, inventory turns, service levels).
Analytical mindset with the ability to interpret data and identify trends.
Strong attention to detail and organizational skills.
Effective communication skills and ability to collaborate with cross-functional teams.
Ability to manage multiple priorities in a fast-paced environment.

Responsibilities

Support the development and maintenance of SKU-level demand forecasts across B2B and D2C channels using both top-down and bottom-up methodologies.
Analyze business performance trends to identify forecast risks, opportunities, and key drivers across SKUs and channels.
Own the maintenance, validation, and organization of large datasets to ensure accuracy and consistency across forecasting and planning outputs.
Maintain and update revenue forecasts across regions, supporting monthly, quarterly, and annual planning cycles.
Track and report on out-of-stock risks and associated revenue impact, incorporating insights into forecast adjustments.
Support new product forecasting and launch planning, ensuring alignment with sales expectations and inventory readiness.
Partner with Sales and Supply Planning teams to align demand forecasts, key assumptions, and business drivers.
Monitor finished goods inventory levels and proactively flag risks related to low stock, excess inventory, and aging inventory.
Support the translation of demand forecasts into inventory and production requirements, partnering with Supply Chain and Production teams to balance service levels and inventory investment.
Assist in managing inventory across global distribution centers, leveraging forecasts, inventory turns, and lead-times to optimize stock levels and support sales performance.
Maintain and enhance reporting tools, dashboards, and datasets, ensuring data integrity and improving efficiency of planning processes over time.