Funded Tech Companies


Tessian, based in Boston, received equity investments through Citi Ventures, Latitude Ventures and Okta.

Company Overview

Company Name
Company Status
Private & Independent
Funding Rounds

Contact Information

Mailing Address
200 Portland St. 5th Floor
Boston, MA 02114
Email Address

Company Background Information

Tessian is building the world's first Human Layer Security platform to fulfil our mission to keep the world's most sensitive data and systems private and secure. Using stateful machine learning to analyze historical email data, Tessian's Parallax Engine can predict for this user, at this point in time, does this email look like a security threat?
Tessian LinkedIn Company Profile
Social Media
Tessian Company Twitter Account
Company News
Tessian News
Tessian on Facebook
Tessian on YouTube
Last Transaction

Financing History

Venture Equity
Venture Equity
Venture Equity

Management Team

Email & Social
Chief Executive Officer
Timothy Sadler
  Timothy Sadler LinkedIn Profile  Timothy Sadler Twitter Account  Timothy Sadler News  Timothy Sadler on Facebook
Chief Financial Officer
Sabrina Castiglione
  Sabrina Castiglione LinkedIn Profile  Sabrina Castiglione Twitter Account  Sabrina Castiglione News  Sabrina Castiglione on Facebook
Chief Marketing Officer
Nicolas Draca
  Nicolas Draca LinkedIn Profile  Nicolas Draca Twitter Account  Nicolas Draca News  Nicolas Draca on Facebook
Chief Technical Officer
Ed Bishop
  Ed Bishop LinkedIn Profile  Ed Bishop Twitter Account  Ed Bishop News  Ed Bishop on Facebook
VP - Bus. Development
Matthew Smith
  Matthew Smith LinkedIn Profile  Matthew Smith Twitter Account  Matthew Smith News  Matthew Smith on Facebook
VP - Customer Service
Henry Thomas
  Henry Thomas LinkedIn Profile  Henry Thomas Twitter Account  Henry Thomas News  Henry Thomas on Facebook
VP - Engineering
Thomas Adams
  Thomas Adams LinkedIn Profile  Thomas Adams Twitter Account  Thomas Adams News  Thomas Adams on Facebook
VP - Human Resources
Paige Rinke
  Paige Rinke LinkedIn Profile  Paige Rinke Twitter Account  Paige Rinke News  Paige Rinke on Facebook
VP - Operations
Elaine Mao
  Elaine Mao LinkedIn Profile  Elaine Mao Twitter Account  Elaine Mao News  Elaine Mao on Facebook
VP - Sales
Aaron Cote
  Aaron Cote LinkedIn Profile  Aaron Cote Twitter Account  Aaron Cote News  Aaron Cote on Facebook

Company Investors




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