What departments does GreatHorn . Full-time have?

GreatHorn . Full-time has employees across 7 departments including Entrepreneurship, Finance, Engineering, Customer Success, Sales.

What is the largest department at GreatHorn . Full-time?

The largest department at GreatHorn . Full-time is Entrepreneurship with 3 employees.

Where are GreatHorn . Full-time employees located globally?

GreatHorn . Full-time has employees across 1 continents and 2 countries including United States Of America, Canada.

How has GreatHorn . Full-time's team size changed over time?

GreatHorn . Full-time's team has decreased from approximately 37 to 6 employees based on available data.

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GreatHorn . Full-time Employee Directory

Computer and Network SecurityMassachusetts, United States2-10 Employees

GreatHorn provides a cloud-based email security solution designed to reduce risk from everyday email use at large, multinational companies. Based in Waltham, Massachusetts, the company employs a multi-stage approach that blends data science, machine learning, technical analysis, and human input to protect organizations before, during, and after phishing attempts.

GreatHorn . Full-time Global Highlights

North America
43

United States Of America
42
Canada
1

GreatHorn . Full-time's Leadership

M. C. M.
Chief Executive Officer
Mobile Phone
Email
K. O. B.
Chief Executive Officer
Mobile Phone
Email
K. O.
Chief Executive Officer & Co-Founder
Mobile Phone
Email
C. Y.
Vice President Of Finance
Mobile Phone
Email
M. A.
Chairman
Mobile Phone
Email
J. L.
Executive Vice President Engineering
Mobile Phone
Email
J. C.
Customer Success Manager
Mobile Phone
Email
M. S.
Senior Software Engineer
Mobile Phone
Email

GreatHorn . Full-time Employee Metrics

100%

50%

2026

2025

Engineering
Customer Success
Sales
Analytics
Marketing
Other
Consultant
Business
Media & Communications
Quality Assurance
Accounting

Contact profiles from GreatHorn . Full-time

Name

Title

Contact Info

Location

Last Update

H. H.
Marketing Coordinator
Mobile Phone
Email
Jun 25, 2026
J. Q.
Account Executive
Mobile Phone
Email
Oct 23, 2024
M. F.
Business Development Representative
Mobile Phone
Email
Oct 22, 2024

Frequently Asked Questions

What is GreatHorn . Full-time known for?

GreatHorn . Full-time operates in the Computer and Network Security industry; you can contact the main corporate office by phone at

+1-800-604-****

. Explore GreatHorn . Full-time's company overview page for more information.

What is GreatHorn . Full-time's most common email format?

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

How many employees does GreatHorn . Full-time have currently?

GreatHorn . Full-time has approximately 7 employees as of July 2026. These team members are located across 1 continents, including North America.

Who are GreatHorn . Full-time's key employees and leadership?

As of July 2026, GreatHorn . Full-time's key employees include:

Chief Executive Officer: M. C. M.
Chief Executive Officer: K. O. B.
Chief Executive Officer & Co-Founder: K. O.
Vice President Of Finance: C. Y.
Chairman: M. A.

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GreatHorn . Full-time Employee Directory

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