Rex Gelb
Paid acquisition & CRO · Built HubSpot's paid ads program
Rex is a partner at HyperGrowth Partners.
Background
Rex Gelb, Sr. Director of Paid Marketing & Affiliates at HubSpot, has over 10 years of experience in growth. He built HubSpot's ads program from the ground up, managing a team of 20+ across multiple products and countries. Having spent over $400 million on channels like Google and LinkedIn, Rex specializes in direct response marketing focused on customer acquisition, particularly in B2B SaaS.
Core expertise
- Acquisition
- CRO
- Demand Gen
- Paid
Industries
- B2B
- MarTech
- SaaS
- Enterprise
Companies Rex has worked with at HGP
Success stories
- How Ramp built a high-velocity growth engine, with help from HyperGrowth Partners
Ramp brought in HyperGrowth Partners in 2021 while it was growing very fast with, in CEO Eric Glyman's words, "a lot of blind spots". HGP co-founder Guillaume Cabane advised on growth, with HGP partners Kevin Indig on SEO and Rex Gelb on paid acquisition. - Vercel: developer marketing at scale, with an HGP co-founder as interim CMO
HGP co-founder Martin "Gonto" Gontovnikas served as Vercel's interim CMO, with HGP partner Rex Gelb advising on paid acquisition. HGP's playbooks document the developer marketing funnel and the developer-first outbound plays used at Vercel.