Senior Director of Paid Media (Growth)

Poshmark, Inc.

Job Overview

Location

Redwood City, California, USA

Job Type

Full-time

Full Job Description

📋 Description

• Lead the full paid media function at Poshmark, overseeing performance and brand channels as the senior-most leader in paid media strategy.
• Translate company-wide business objectives into holistic, channel-integrated paid media strategies that align with marketing, product, and commercial goals.
• Serve as a key strategic stakeholder in executive discussions on growth, revenue, and marketing investment decisions.
• Direct and mentor global teams responsible for performance marketing and brand-building campaigns across Paid Social (Meta, TikTok, X, Pinterest), Search and Google Suite (SEM, Shopping, YouTube, DV360), Programmatic, Linear/CTV, and emerging platforms.
• Define and execute the channel architecture and activation roadmap for all paid media channels, ensuring optimal allocation and innovation.
• Establish and maintain a rigorous test-and-learn framework to drive efficiency, scalability, and measurable business impact across all paid media initiatives.
• Own the measurement philosophy and attribution methodology, including advanced techniques such as Media Mix Modeling (MMM) and incrementality testing.
• Build and maintain robust reporting frameworks that directly link paid media spend to revenue, user acquisition, retention, and other core business KPIs.
• Deliver regular performance reviews, forecasting, and strategic recommendations to senior leadership and cross-functional partners.
• Partner closely with creative, data/analytics, product, and finance teams to ensure operational integration and alignment of paid media programs.
• Manage agency and vendor relationships, including direct publisher partnerships, RFP processes, and media planning workflows.
• Identify and champion opportunities for incremental investment and expansion of the media mix to unlock new growth levers.
• Ensure paid media strategies are optimized for a two-sided marketplace environment with unique performance dynamics between buyers and sellers.
• Communicate complex data and media strategies into clear, compelling narratives for executive and cross-functional audiences.
• Maintain proficiency with leading analytics platforms such as Google Analytics and Adobe Analytics to drive data-informed decision-making.
• Build, develop, and retain high-performing teams across ad operations, account management, and specialized channel roles.
• Oversee direct media buying and planning across both digital and traditional channels, including programmatic, linear TV, and CTV.
• Ensure all paid media activities support Poshmark’s mission of fostering a social, community-driven fashion marketplace with 165 million members.

🎯 Requirements

• 10+ years of paid media experience with significant time in senior or director-level roles with full channel ownership
• Demonstrated experience working with apps and/or marketplace businesses and understanding of their unique performance dynamics
• Must be based in or willing to relocate to San Francisco, CA, with ability to meet in-office requirements
• Hands-on expertise across paid social, paid search/SEM, programmatic, and video/linear channels
• Strong command of advanced measurement approaches including Media Mix Modeling (MMM), incrementality testing, and attribution modeling
• Proven track record of building and managing multi-channel media plans inclusive of digital and traditional media and direct publisher partnerships

🏖️ Benefits

• Opportunity to own the full paid media function at a consumer brand with global scale
• Work at Poshmark, a leading fashion marketplace with 165 million members and a mission-driven social commerce model
• Collaborate with cross-functional teams including creative, data/analytics, product, and finance
• Influence strategic growth initiatives at a pivotal phase of company expansion

Skills & Technologies

Senior

Onsite

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Poshmark, Inc.

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About Poshmark, Inc.

Poshmark operates a social commerce marketplace where users buy and sell new and secondhand fashion, accessories, beauty, and home goods. Founded in 2011 and headquartered in Redwood City, California, the platform combines mobile listings, peer-to-peer shipping, and community features such as virtual Posh Parties. Sellers photograph items with their phones, set prices, and ship directly to buyers using prepaid labels. The company earns revenue through transaction fees and optional seller services, while offering authentication for luxury items. Poshmark expanded into Canada in 2019 and Australia in 2020, and was acquired by Naver in January 2023.

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