Rex Gelb

Rex Gelb

Head of Paid Ads & Affiliate Marketing, Hubspot

Rex is a paid ads & affiliate expert focused on B2B software. He’s been managing ads full-time for 12+ years. When he tries to do the math, he estimates that he’s spent ~$600MM on platforms like Google, Facebook, Bing, LinkedIn, and dozens of others. For the past 10 years, he’s been working for a B2B SaaS company, HubSpot, to manage their paid advertising program. At first, it was just him working on a single Chrome extension. Fast forward to today, he now manages a team of 20+ performance marketing professionals promoting dozens of features & products across 15+ countries and 6 languages. He knows ad platforms inside & out, particularly as they relate to B2B software.

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