About
Stephen Gill is a visionary technology entrepreneur and leader, whose passion for the digital marketing space inspired him to found Tiller in 2015. His passion? To make advertising better. Stephen has spent the last ten years building yield optimization platforms and tools to help publishers maximize advertising revenue. Gill’s first foray in adtech began during college at Rowan University, where he built NoLimit Interactive Media, a digital marketing agency specializing in search, performance marketing and lead generation for a portfolio of major brands. The organization started from his dorm room and quickly grew into into a full service agency. The experience led him to found Red Online Marketing Group, a diversified technology and digital media organization. Today, the organization leverages its technology with hundreds of publishers. Their self-service ad platform helps advertisers to deploy and optimize complex digital marketing campaigns across multiple channels. The thri
Position in the VCSift Database
- • 1,144 investors hold the Co-Founder & CEO role in VCSift. Stephen Gill is one of them.
- • 510 investors are based in Philadelphia, Pennsylvania, United States.
Data sourced from 410,343 investor profiles. Updated July 2026.
Investment Focus
- Stages
- seed
- Location
- Philadelphia, US
Contact Information
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