What departments does Tessian have?

Tessian has employees across 13 departments including Engineering, Product Management, Marketing, Sales, Recruiting.

What is the largest department at Tessian?

The largest department at Tessian is Engineering with 9 employees.

Where are Tessian employees located globally?

Tessian has employees across 4 continents and 13 countries including Morocco, Turkey, India, Uzbekistan, Israel.

How has Tessian's team size changed over time?

Tessian's team has decreased from approximately 170 to 38 employees based on available data.

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Tessian Employee Directory

Computer and Network SecurityMassachusetts, United States11-50 Employees

Tessian offers a cloud-based email security platform that protects organizations from advanced email threats and data loss, while providing real-time guidance to users on security risks. It uses machine learning and behavioral data analysis to identify and stop threats that bypass traditional Secure Email Gateways, including phishing, business email compromise, accidental data exposure, and insider risk.

Based in Boston, Massachusetts, Tessian operates in the computer and network security field and traces its origins to 2013. It has been recognized as one of Fast Company's Most Innovative Companies for 2022. Tessian was acquired by Proofpoint, with the acquisition completed in 2023, integrating its capabilities into Proofpoint's cybersecurity offerings.

Tessian Global Highlights

Europe
71

United Kingdom Of Great Britain And Northern Ireland
65
Poland
2
Italy
1
France
1
Netherlands
1
Serbia
1

North America
42

United States Of America
41
Mexico
1

Asia
7

India
3
Turkey
2
Uzbekistan
1
Israel
1

Africa
1

Morocco
1

Tessian's Leadership

A. L.
Chief Product Officer
Mobile Phone
Email
K. H.
Head Of Marketing & Communications
Mobile Phone
Email
L. B.
Head Of Communications & Content
Mobile Phone
Email
M. P.
Head Of Sales, Emea
Mobile Phone
Email
M. L.
Head Of Global Talent Acquisition
Mobile Phone
Email
S. H.
Head Of Inside Sales
Mobile Phone
Email
T. A.
Co-Founder - Head Of Client-Side Engineering
Mobile Phone
Email
A. M.
Talent Partner
Mobile Phone
Email

Tessian Employee Metrics

100%

50%

2026

2025

Engineering
Sales
Operations
Analytics
Customer Success
Other
Marketing
Arts & Design
Education
Entrepreneurship
Information Security
Program & Project Management

Contact profiles from Tessian

Name

Title

Contact Info

Location

Last Update

T. A.
Co-Founder - Head Of Client-Side Engineering
Mobile Phone
Email
United KingdomEngland
Apr 15, 2026
A. L.
Chief Product Officer
Mobile Phone
Email
Feb 06, 2024
A. M.
Talent Partner
Mobile Phone
Email
United KingdomGreater London
Jan 30, 2024
N. P.
Talent Partner
Mobile Phone
Email
UNITED KINGDOMLondon
Oct 31, 2023
K. H.
Head Of Marketing & Communications
Mobile Phone
Email
UNITED KINGDOMLondon
May 25, 2023
L. B.
Head Of Communications & Content
Mobile Phone
Email
United Kingdom
Apr 11, 2023
M. P.
Head Of Sales, Emea
Mobile Phone
Email
United Kingdom
Mar 02, 2026
M. L.
Head Of Global Talent Acquisition
Mobile Phone
Email
Sep 06, 2025
S. H.
Head Of Inside Sales
Mobile Phone
Email
United Kingdom
Jul 07, 2024
Y. C.
Vice President, Sales Operations
Mobile Phone
Email
UNITED STATES
Jun 27, 2025

Frequently Asked Questions

What is Tessian known for?

Tessian was founded in 2013 operates in the Computer and Network Security industry. The company's main headquarters is located in Boston, Massachusetts United States; you can contact the main corporate office by phone at

+44-7186-18****

. Explore Tessian's company overview page for more information.

What is Tessian's most common email format?

Tessian employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more Tessian email formats with LeadIQ.

How many employees does Tessian have currently?

Tessian has approximately 42 employees as of May 2026. These team members are located across 4 continents, including EuropeNorth AmericaAsia.

Who are Tessian's key employees and leadership?

As of May 2026, Tessian's key employees include:

Chief Product Officer: A. L.
Head Of Marketing & Communications: K. H.
Head Of Communications & Content: L. B.
Head Of Sales, Emea: M. P.
Head Of Global Talent Acquisition: M. L.

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Tessian Employee Directory

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