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A premier early-stage investment firm & growth studio.

Founder-first, because
we are founders, first.


About us

We are an early-stage investment firm and growth studio founded by AdTech pioneers. Tribal provides strategic capital with hands-on operational support and executive-level guidance to founders of fast-growing businesses.



Our firm is highly selective and makes few investments, focused on meaningful opportunities in which our industry expertise, perspective  and supportive network  can truly propel entrepreneurs and their businesses to the next level.



Tribal offers high-touch executive engagements to companies ranging from seed to growth stage, with a shared commitment to growth.

Tribal Ventures leverages decades of senior-level operating expertise and relationships in SaaS, AdTech, e-Commerce, sales, marketing strategy and execution, revenue generation, and product development.



Jason Glickman

Co-Founder & Managing Partner

Jason Glickman is an Internet media veteran focused on scaling emerging technologies. Prior to founding Tribal, Jason was Co-founder of Tremor Video (now Magnite NASDAQ: MGNI) leading the company as CEO and Chairman from inception to IPO in 2013. Prior to Tremor Video, Jason was the co-founder of ContextualNet, Inc., a leading online media company focused on page-level targeting, where he managed the national sales team before orchestrating the company’s successful sale. Jason is a past recipient of the Ernst & Young Entrepreneur of the Year Award in the digital solutions category.

Andrew Reis

Co-Founder & Managing Partner

Andrew Reis is a serial entrepreneur and investor with a focus on AdTech, Content and Commerce along with the technologies that power them. Andrew has been involved in digital media since 1998, and has helped to create some of the most valuable and highly trafficked properties in market. Andrew thrives in an environment of start-up chaos, and enjoys helping these companies — and their leaders — mature into seasoned professionals and stable companies. Prior to Tribal, Andrew was Co-Founder and COO of Tremor Video (NYSE: TRMR) and has co-founded many of the startups in Tribal's portfolio.

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