Growth Marketing Manager - Web & Organic, SMB Ads

About the Team OpenAI is building the next generation of advertising for an AI-powered world. As AI changes how people discover information, explore possibilities, and make decisions, we believe this presents a huge opportunity for small and medium-sized businesses to connect with customers in new ways. The SMB Ads Marketing team is building this opportunity from the ground up. We define how businesses discover OpenAI’s advertising platform, become successful advertisers, and grow their investment over time. Working closely with Product, Ads Engineering, Data Science, and Sales, we combine customer insight, rigorous experimentation, and fast execution to turn early opportunities into scalable growth. About the Role We are seeking a Growth Marketing Manager to build the web and organic growth engine for SMB advertisers at OpenAI. This is a zero-to-one opportunity to shape how businesses discover our advertising platform, understand its value, and become successful advertisers. You will own the SMB Ads web strategy and experimentation roadmap, combining customer insight, analytical rigor, and product judgment to grow qualified discovery and improve conversion. Your scope spans web experiences, organic search, generative engine optimization (GEO), and the journey from first visit through signup and activation. You will work closely with Product, Design, Ads Engineering, Content, and Data Science to turn opportunities into shipped experiences, operating with the speed and ownership of a startup. In This Role, You Will - Own the SMB Ads web strategy and roadmap to grow qualified discovery, signup, and advertiser activation. - Grow organic discovery through search, content, and GEO. Test new ways to help businesses find and evaluate OpenAI’s advertising offering. - Analyze journeys, funnels, and cohorts to identify conversion barriers and prioritize high-impact improvements. - Run experiments across landing pages, messaging, navigation, personalization, offers, and conversion flows. Use results to guide the roadmap. - Improve the journey from website visit to signup, onboarding, and first campaign with Product and Ads Engineering. - Define instrumentation, test design, attribution, and reporting with Data Science and marketing systems teams to measure incremental activation and advertiser value. - Launch useful web experiences with Content, Product Marketing, Design, Engineering, and specialist agencies. Evaluate capabilities such as personalization, chat, and experimentation tools. - Connect landing experiences to in-product, referral, and cross-sell acquisition programs. Coordinate onboarding and engagement with Lifecycle Marketing. - Use AI to accelerate research, prototyping, content, analysis, and experimentation. Scale successful tests and communicate results clearly. You Might Thrive in This Role If You - Bring 4–7 years of experience in growth marketing, web strategy, organic acquisition, conversion optimization, or product growth, with measurable acquisition, activation, or revenue impact. - Apply strong analytical judgment across funnels, cohorts, customer behavior, and incremental impact to prioritize growth opportunities. - Demonstrate ownership of web experiences and experimentation programs that improve conversion from discovery to activation. - Connect SEO, content-led discovery, and GEO with customer insight, web strategy, and product judgment. - Translate business opportunities into clear roadmaps and launched experiences with Product, Design, Engineering, Data Science, and Marketing. - Combine strategic thinking with hands-on growth execution. Relevant backgrounds include scaled technology businesses, startups, or consulting followed by operating experience in startup growth. - Evaluate and implement web capabilities with technical partners, using AI to improve execution speed and quality. - Understand SMB customers and bring experience in self-serve products, advertising, S