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John Vrionis


"At every crossroads on the path that leads to the future, tradition has placed 10,000 men to guard the past" (Maurice Maeterlinck). Entrepreneurs are the select few that have the Vision and Courage to build enduring companies and lead us all forward.

John joined Lightspeed in 2006 and focuses primarily on information technology infrastructure, with a particular investment interest in datacenter technologies; he was named a Top Investor in the Cloud market by GigaOm in 2012. In addition, John is the founder of Lightspeed’s Summer Grant Program.

Previously, he worked in product management and marketing with Determina (acquired by VMware). John was also an initial member of the executive team at Freedom Financial Network, where he helped design and implement the company’s customer relationship management software, drove its partnership strategy and managed the marketing and sales team.

John is privileged to be a continuing supporter of the management teams at Affirmed Networks, AppDynamics, Arctic Wolf Networks, Boundary, Click Security, CloudBees, DataStax, Delphix, Embrane, Nimble Storage, Mulesoft and Tintri. His past investments include Nicira (acquired by VMware), IO Turbine (acquired by Fusion-io) and Pliant Technology (acquired by Sandisk).

John holds an MBA from Stanford University Graduate School of Business, an MS in Computer Science from the University of Chicago and a BA from Harvard University.

Recent blog posts:

Who is the Product Person?

Something most people don’t know about me:

I spent a summer in college driving cars off the boats that came in from Japan every three days and loading them on to transportation trucks (it was actually was a pretty good job – paid $12 per hour!)

John Vrionis
Email:   john@lsvp dot com

Current Investments:

Affirmed Networks
Arctic Wolf
Click Security
MapR Technologies
Nimble Storage

Public, NMBL


Prior Investments:

IO Turbine

Acquired, FIO

Nicira Networks

Acquired, VMW

Pliant Technology

Acquired, Sandisk