Person Overview


Detailed Description


Andrew is a serial entrepreneur and active angel investor with a focus on digital advertising, e-commerce and video technologies. Andrew has been involved in digital media since 1998 and has helped to create some of the most valuable and highly trafficked web properties currently in market. Andrew's focus and passion is AdTech and furthering the entrepreneurial ecosystem.

Currently, Andrew is Managing Director of two seed investment funds and acceleration programs. SamStella and Tribal Ventures.

- Samstella has invested in a broad array of companies in every sector of the marketplace. From Video (Tremor Video, Genesis Media) to Mobile (, to digital magazines ( and the technologies that run them ( along with some amazing new ecommerce platforms. Simultaneously, Andrew has been a founder in many of the companies within the portfolio. The goal is simple, work with the entrepreneur and founding teams to create the best products possible.

- Tribal Ventures is an early stage investment firm founded by Andrew Reis and Jason Glickman. Tribal is highly selective and makes very few investments, staying focused on opportunities where our deep industry knowledge can meaningfully help entrepreneurs take their businesses to the next level. Tribal Ventures has senior level operational experience in Adtech, sales/marketing strategy and execution, revenue generation and product development. We do not make passive investments. We invest our time, and leverage our experience and industry connections to form strong partnerships with each of our portfolio companies to help them scale.

Previously, Andrew co-founded Tremor Video, which is the industry leader in digital video advertising and presently the largest video ad network and analytics platform, where he served as Chief Operating Officer and Board Member. Prior to Tremor, Andrew founded/co-founded five separate digital media companies, all of which saw successful exits.

Experience (12)


Advisory Roles (1)

  • 5aecbc7cdf4787528c18c604823db382


    Investor and Advisory Board Member
    Mar, 2011

Education (1)


Investments (3)