Primary Role
Founder and Managing Partner @ Binary Capital
3 Investments in 3 Companies

Person Details


Justin invests primarily in the Internet and mobile sectors with a focus on social media, e-commerce and enterprise software.

Justin’s current investments include Bloomreach, GrubHub, PetFlow and TaskRabbit. He has also been a board member or board observer for numerous successful companies including TheFind, INRIX, Adready, Magazine Radar, and DNA Games.

Before joining Lightspeed, Justin was a partner at Bain Capital Ventures and was responsible for launching the firm’s West Coast office. He was both a board of directors member and observer for a wide variety of consumer internet, enterprise software, and business services companies, including BloomReach, TheFind, Adready, INRIX, DNA Games,, and Magazine Radar.

Before Bain Capital Ventures, Justin was at McKinsey and Co. where he served consumer and media companies in a wide range of capacities.

Justin holds a BA in Economics from Duke University and an MBA from Harvard Business School.

Experience (4)


Education (2)


Investments (3)

  • Enplug
    Enplug is a software company that built the first open platform for digital displays everywhere.
    Apr 17, 2014 - Invested in $2.5M Seed Round with 10 others
  • Trusper
    Daily life tip-sharing community
    Nov 26, 2013 - Invested in $6.2M Series A with 9 others
  • Socialcam
    SocialCam is a mobile app for Android and the iPhone that allows users to capture, edit, share and view videos online.
    Apr 30, 2012 - Invested in Angel Round with 38 others