Ellen Sundra in

Ellen Sundra

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VP, Customers at Horizon3.ai
📍 Ashburn, Virginia, United States

Ellen Sundra is the Vice President of Customers at Horizon3.ai, leading customer success, sales engineering, and community engagement. With over 25 years in cybersecurity, she previously served as Chief Customer Officer at Forescout. She holds a BA in Computer Science from Rollins College and has completed executive leadership training at Harvard Business School.

Inspired by her familys value of continuous learning, Ellen is passionate about making technology accessible and less intimidating for users. She is a strong advocate for diversity in the tech industry, actively working to create more inclusive hiring practices and supporting women in the field.

Unique fact: Ellen was named one of the Top 25 Women in Cyber by Cyber Defense Magazine.

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Experience
29 Years
Current Role
VP, Customers
Job Level
Senior
Location
Ashburn, Virginia, United States
Personality Overview

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Decision Approach
Work Preference

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Priorities

Topics Ellen cares about

Customer-Centric Security
Leads customer success, support, and engagement teams at Horizon3.ai, focusing on maximizing value for clients and building a strong user community.
Diversity in Tech
Advocates for women in tech and has revamped hiring processes to attract candidates with diverse skillsets and backgrounds, removing traditional barriers to entry.
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Career

Work history

12-2024
VP, Customers
Horizon3.ai
6-2021 - 12-2024
Chief Customer Officer
Forescout Technologies Inc.
1-2021 - 6-2021
SVP, Global Systems Engineering and Enablement
Forescout Technologies Inc.
9-2019 - 1-2021
VP, Global Systems Engineering
Forescout Technologies Inc.
1-2018 - 9-2019
VP of Americas, Systems Engineering
Forescout Technologies Inc.
In the press

Media appearances

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Education
2021 - 2021
Executive Leadership
Harvard Business School Executive Education
1989 - 1993
BA
Rollins College
Social presence
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Behavioral profile

DISC profile (public)

DISC behavioral profile

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