Lightspeed Venture Partners Promotes John Vrionis

Menlo Park, Calif.-based Lightspeed Venture Partners has promoted John Vrionis to managing director. Vrionis joined Lightspeed in 2006 as a senior associate and was later promoted to principal. He has led the firm’s investments in DataStax, Embrane, Fast IP, and IO Turbine. Lightspeed has more than $2 billion under management.

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