Merchandising Assistant

Since our founding in 2011, Gentle Monster has built a reputation for unpredictable design, impeccable craftsmanship, immersive retail experiences, and cultural storytelling that goes far beyond our product. Our brand is undeniably recognizable and our team is built on bringing together different perspectives to challenge our ways of thinking and working to continually evolve. We move quickly, build as a team, and hold ourselves to a high bar for craft and creativity across each function. If you're energized by building something bold and want to help shape what's next, we'd love to meet you.

Reporting to the Merchandising Manager, the Merchandising Assistant at Gentle Monster owns inventory management across multiple sales channels and product categories. You will build and maintain SKU-level forecasts, analyze product performance and translate data-driven insights into clear recommendations that inform assortment planning, replenishment, pricing strategy, and visual merchandising. This role is highly cross-functional. You’ll collaborate closely with Retail, E-commerce, Supply and Chain, Marketing, Accounting, and be expected to communicate findings clearly to stakeholders at all levels including executive leadership.

What You'll Do

• Build and maintain demand and inventory forecasts across multiple sales channels and product categories
• Develop and maintain SKU level forecasts to support replenishment and buys
• Analyze product performance (sales comp, sales mix, sell through, sales to stock, productivity) to inform weekly, monthly business reviews and seasonal hindsight and analyze demand patterns by channel
• Partner with Retail, E-commerce, and Accounting to align inventory plans to sales goals and business needs
• Partner with the Supply Chain teams to ensure timely and accurate delivery of purchase orders (receipts tracking)
• Product hierarchy: maintain line sheets and accurate product data, including product hierarchy, attribution, pricing, and purchase order information, to support item set-up, forecasting and reporting integrity
• Leverage BI tools (NetSuite, SAP, Power BI) and AI-assisted forecasting to analyze large datasets, surface insights, and streamline reporting workflows
• Translate data into clear insights and recommendations for cross-functional teams
• Present analysis and recommendations to stakeholders, including senior leadership
• Continuously improve forecasting models and planning processes; evaluate and adopt AI tools that enhance accuracy and efficiency

What You Bring

• Minimum 2 years of experience in planning and buying (inventory, merchandise, financial) in multi-channel retail
• Bachelor’s degree in management, finance, liberal arts preferred but not required
• Proficiency with retail math and foundational retail analytics
• Highly analytical with strong command of forecasting methodologies including experience owning buys and SKU level forecasting models
• High proficiency in Microsoft Excel (pivot tables, VLOOKUP, IF formulas)
• Attention to detail and strong organizational skills, particularly in data accuracy
• Experience with BI tools and familiarity with ERP or planning systems (e.g., NetSuite); experience with DTC and wholesale channels a plus
• Strong communicator who can distill complex analyses into clear narratives for cross-functional and executive audiences
• Proficiency in Korean to partner with Global partners a plus

Job Details

• Job Type: Full-time
• Pay Range: $70,000 to $80,000 per year, dependent on experience
• Work Location: on-site 5 days per week
• Benefits Include: medical, dental, and vision insurance, 401(k), paid time off, product perks!

More About Gentle Monster & IICOMBINED Founded in 2011, IICOMBINED has launched the global fashion eyewear brand GENTLE MONSTER, followed by the perfume brand TAMBURINS, the tea & dessert brand NUDAKE, the headwear brand ATiiSSU and the tableware brand Nuflaat. Driven by continuous innovation and challenges, IICOMBINED continues its growth by developing brands that exemplify unparalleled beauty and unpredictable progressions.

GENTLE MONSTER is a global fashion eyewear brand that sets eyewear trends worldwide through its unpredictable and innovative advancements.

With each annual collection, GENTLE MONSTER unveils distinctive and creative products, delivering brand value through diverse initiatives, including unique spaces and campaigns that embody experimental and sophisticated aesthetics.