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535 Mission St 14th floor
San Francisco, CA 94105
Website Company Summary Management Team

CEO: Tim Sadler (11/30/2012)
Finance: Elaine Mao (12/31/2019) ; Sabrina Castiglione (11/30/2020)
Technology: Edward Bishop (11/30/2012)
Sales/Marketing: Matthew Q. Smith ; Nicolas Draca

Outside board: (May no longer be on the board) Ramin Sayar (Sumo Logic President/CEO)

Business description: Tessian’s mission is to secure the human layer. Using machine learning technology, Tessian automatically stops data breaches and security threats caused by human error - like data exfiltration, accidental data loss, business email compromise and phishing attacks - with minimal disruption to employees' workflow. As a result, employees are empowered to do their best work, without security getting in their way. Founded in 2013, Tessian is backed by renowned investors like Sequoia, Accel, March Capital, and Balderton and has offices in San Francisco and London

Rounds: 7
Recent Fundings: May 2021   Jan 2019
Capital raised: 123.65M
Last Round: 65.0M
Ownership: Private  
VCs include: Latitude CommunicationsAccelSequoia CapitalAmadeus Capital PartnersBalderton Capital;  Winton Ventures;  March Capital;  LocalGlobe;  Crane Venture Partners;  Walking Ventures;  Upscale;  Fraser
Angels/other VCs: Tim Jackson (Walking Ventures)
Private equity: Schroder Adveq

Last Tweets


Last Mentions

Record updated: May 2021
Sector: Security
Year Founded: 2013
Headcount: 151-200 as of May 2021
Rounds: 7
Recent Fundings: May 2021   Jan 2019
Capital Raised: 123.65M
Last Round: 65.0M
Ownership: Private