Director, Supply Partnerships

About PoshmarkPoshmark is the leading fashion marketplace where style comes alive through discovery, self-expression, and human connection. Powered by a vibrant community of 165 million members, Poshmark brings real people and taste to shopping through a social experience shaped by shared discovery. Buying and selling fashion feels simple, joyful, and personal, while every item tells its own story. Poshmark empowers sellers to grow meaningful businesses, keeps fashion in circulation longer, and gives shoppers access to unique and trusted finds, from everyday pieces to one-of-a-kind vintage and luxury.Job DescriptionResponsible for identifying and developing strategies and programs to onboard and scale strategic supply sources that strengthen Poshmark marketplace liquidity, elevate assortment quality, and drive incremental GMV growth on the platform.Own the development of strategic relationships with brands, retailers, resale ecosystems, enterprise sellers, and top-tier power sellers to ensure the platform has the “right” supply at the right volume, quality, relevance, and price to drive GMV growth and brand stickiness.ResponsibilitiesSupply Growth and Partner StrategyDefine and execute the enterprise and strategic supply roadmap across brands, retailers, consignment partners, and large-scale sellersIdentify category opportunitiesBuild models for partner sourcing, programming, onboarding, enablement, retention, and expansionCommercial OwnershipOwn partner acquisition targets, GMV contribution growth, and take rateStructure and negotiate commercial termsTrack partner performance across key metrics, including listing quality and activation, sell-through speed, pricing alignment, returns, cancellations, and disputesManage relationships and contractsPartner Lifecycle ManagementBuild scalable programs for partner onboarding, education, and successBuild a strong partnerships team across acquisition, account management, partner success, and commercial operationsCollaborate with Product and Marketplace teams to ensure partners leverage pricing guidance tools, listing standards and best practices, and campaign and promotional strategies and timelinesCross-Functional CollaborationPartner with Merchandising to align supply inflow with demand, category health, and trend directionWork with Product and Product Marketing to shape seller-facing tools, dashboards, and messaging to improve partner businessesCollaborate with Trust & Safety to uphold Poshmark’s standards around authenticity, fraud prevention, and community trustAlign with Operations and Customer Support to ensure seamless seller and buyer experiencesCategory and Market InsightProvide insights on emerging supply trends and competitive activityIdentify white space opportunities where targeted supply partnerships can unlock growth and/or improve discoveryShare learnings from partners to inform broader seller strategy and marketplace policyKey Metrics for SuccessIncremental GMV from strategic supplyLiquidity and sell-through speed in priority categoriesPartner retention and satisfactionListing quality and pricing alignmentReduction in issues, returns, and cancellations from managed supply partnersCross-functional adoption of partner-led learnings6-Month AccomplishmentsWithin the first six months, the Supply Partnerships Director is expected to:Deliver a clear strategic supply roadmap outlining priority categories, target partner segments (brands, retailers, enterprise sellers, resale ecosystems), and projected GMV impactIdentify and prioritize 3–5 high-impact supply opportunities that address liquidity gaps or unlock incremental growthClose and onboard an initial cohort of strategic partners aligned to category priorities and pricing standardsEstablish a scalable partner lifecycle framework covering sourcing, onboarding, enablement, performance tracking, and retentionDefine commercial playbooks, including standard partnership models, negotiation frameworks, and pricing alignment guardrailsImplement performance dashboards to track GMV contribution, listing quality, sell-through speed, cancellations, and partner retentionBuild strong cross-functional alignment with Product, Merchandising, Trust & Safety, and Operations to support partner successBegin assembling and defining the structure for a scalable Supply Partnerships team12+ Month AccomplishmentsWithin the first 12 months, the Supply Partnerships Director is expected to:Deliver measurable incremental GMV growth from strategic supply partnerships, aligned with annual marketplace targetsImprove liquidity and sell-through speed in priority categories through targeted supply acquisitionEstablish Poshmark as a preferred marketplace partner for select brands, retailers, and enterprise sellersBuild and scale a high-performing Supply Partnerships team with clear acquisition, account management, and partner success functionsDevelop repeatable onboarding and enablement programs that improve partner activation, listing quality, and pricing alignmentReduce issues, cancellations, and returns associated with managed supply partners through tighter operational and trust standardsCollaborate with Product to influence enhancements to seller tools, pricing guidance, dashboards, and promotional programs informed by partner insightsDeliver competitive intelligence and category insights that shape broader marketplace strategy and supply-side policyAchieve strong partner satisfaction and retention metrics across managed accountsRequirements8–10+ years of experience in partnerships, business development, marketplace growth, category management, or commercial strategy within ecommerce, retail, resale, or marketplace environmentsProven track record of structuring and negotiating commercial agreements that drive measurable revenue or GMV growthStrong understanding of marketplace dynamics, including liquidity, supply-demand balance, pricing strategy, and seller performance metricsExperience working with brands, retailers, enterprise sellers, or resale ecosystemsDemonstrated ability to build and scale partner acquisition and account management programsStrong commercial acumen with an ownership mindset for revenue, margin, and partner performance metricsExperience building cross-functional relationships with Product, Merchandising, Operations, Trust & Safety, and MarketingAnalytical orientation with the ability to translate performance data into actionable strategyExperience leading or building teams preferredBachelor’s degree in Business, Marketing, Economics, or a related field (MBA a plus but not required)Compensation Range: $172.9K - $289.6KLocationNew York, NY, USA; Redwood City, California, USAEmployment TypeFull timeLocation TypeHybridDepartmentAll DepartmentsMarketingBusiness DevelopmentBusiness Development TeamCompensation$172.9K – $289.6K • Offers Equity • Offers Bonus