StartupCookie is an AI-native content and GTM agency for B2B SaaS startups, founded and run by Barbara Jovanovic. Services include product marketing and product-led growth (PLG) content, thought leadership, founder LinkedIn ghostwriting, AEO (AI search optimization), video content, and custom GTM and content agents. One senior founder runs every engagement while custom AI agents handle production. Maximum six clients at a time; month-to-month programs from $5,000/month.