John Gentry

President and Advisor, OpenX

John is currently the President of OpenX. Previously, he served as Chief Revenue Officer and President of Spot Runner Inc. Mr. Gentry oversaw all sales and business development activities, strategic partnerships, media, distribution relationships and customer care of Spot Runner. Prior to Spot Runner, he served as Chief Revenue Officer and Head of Corporate Development of Green Dot Corporation , where he was responsible for all sales and business development activities, including expansion of the existing retail distribution network, launching new channels of card distribution such as online and payment solutions, and expansion of the Green Dot Financial Network. Prior to joining Green Dot, he served as Senior Vice President and General Manager of the Affiliate Business Group of Overture Services and led the team. Prior to Overture, he served as an Executive of Walt Disney Company, where he developed distribution and sales strategy for Disney/ABC Cable Networks. He also held positions with Discovery Communications, parent company of Discovery Channel and CB Commercial Real Estate. He serves as a Member of Advisory Board of Authenticlick, Inc. He holds a B.A. in Political Science from the University of California Los Angeles and an M.B.A. from the J.L. Kellogg Graduate School of Business at Northwestern University.

Articles by John Gentry

Startup Guide to AI Visibility Be the Brand ChatGPT Recommends

Startup Guide to AI Visibility: Be the Brand ChatGPT Recommends

Introduction Today, users aren’t just searching on Google. They’re asking ChatGPT, Claude, Google’s Gemini, Perplexity, and other AI systems for advice. AI visibility is the new frontier of brand awareness....

Practical Uses of AI Automation for Startup Operations

Practical Uses of AI & Automation for Startup Operations

In a recent Mucker Growth Series session, we invited Rock Vitale, Founder & CEO of Easie, to share how he’s helped early-stage teams move from manual, fragmented workflows to streamlined,...

New York Tech Week Mucker Sessions Recap

2025 New York Tech Week Recap Of Mucker Sessions

Last week during New York Tech Week 2025, we joined more than 1,000 events hosted by founders, investors, and VCs. This post is a full Mucker recap of the three...

Build a Customer Support Function for Startups Using AI Alex Velinov

How to Build a Customer Support Function for Startups Using AI Tools with Alex Velinov

Delivering high-quality customer support can be one of the most resource-draining parts of a startup. The good news: we’re at a turning point where founders can use AI tools to...

Zero → 100: The Exact Steps We Took to Close Our First 100 Paying Customers

Zero → 100: The Exact Steps We Took to Close Our First 100 Paying Customers

Going from zero customers to 100 in just four months sounds impossible—unless you’re a founder willing to roll up your sleeves and hustle relentlessly. I’m Gaurav Bhattacharya, co-founder of Jeeva.ai,...

Sales Discovery & Qualification for Startups Richard Harris

Unblocking Startup Growth: Best Practices for Sales Discovery & Qualification with Richard Harris

Startups are in a constant race against time and resources, navigating complex sales environments with lean teams and limited margins for error. In a recent session from the Mucker Growth...

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