Marketing Science Partnerships & Insights Lead

Reddit is a community of communities. It’s built on shared interests, passion, and trust, and is home to the most open and authentic conversations on the internet. Every day, Reddit users submit, vote, and comment on the topics they care most about. With 100,000+ active communities and approximately 126 million daily active unique visitors, Reddit is one of the internet’s largest sources of information. For more information, visit www.redditinc.com. We are looking for a Marketing Science Partnerships & Insights Lead to spearhead the strategic direction for our measurement ecosystem—driving our value proposition to clients and partners by testing, learning, and improving the power and performance of Reddit as a media platform. You will be an integral part of the Marketing Science team, balancing deep technical measurement expertise with strategic partner management to help our advertisers succeed. Location: Hybrid. London, UK Responsibilities: Own the end-to-end execution calendar for an assigned advertiser or partner portfolio. Develop multi-month roadmaps that align with research and business goals, ensuring these programs directly drive platform adoption and revenue. Manage the full lifecycle of 3rd party partnerships, including discovery, vetting, and onboarding. Work with Product Marketing (PMMs) to execute inbound/outbound requests to identify both market-leading and emergent vendors. Co-author requests for information (RFI) and program briefs that clearly outline Reddit's needs. Partner laterally across internal commercial leadership and external vendors to facilitate joint scoping, milestone scheduling, and field-readiness. Serve as the internal expert on measurement efficacy. Act as a neutral evaluator of platform and partner performance, identifying where current tools fall short and championing improvements to data architecture and pipeline connectivity. Provide guidance on technical data flows, including how data pipelines connect, and advise on methodologies for MTA, sales/brand lift, and geo-lifts to support global revenue goals.