Petros Perselis in

Petros Perselis

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SVP Global Customer Success at Hack The Box
📍 New York, New York, United States

Petros Perselis serves as the SVP of Global Customer Success at Hack The Box, where he leads the teams supporting over 800 global enterprise, government, and university customers. A graduate of Stanford and Brown University, his expertise includes go-to-market strategy, financial analysis, and scaling teams in the SaaS industry.

Originally from Kassos island in Greece, Petros is deeply involved in the Hellenic community. He serves as a mentor for Endeavor Greece, is the Treasurer for the Desmos Policy Institute, and actively volunteers with Brown Universitys alumni leadership. In his free time, he enjoys playing soccer.

He was named to the Greek America Foundations "40 Under 40" list in 2022, recognizing his professional achievements and community leadership.

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Experience
14 Years
Current Role
SVP Global Customer Success
Job Level
Leadership
Location
New York, New York, United States
Personality Overview

How Petros shows up

Communication Style
Decision Approach
Work Preference

Behavioral traits and communication patterns that shape how this person evaluates opportunities, builds trust, and makes decisions in professional settings.

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Priorities

Topics Petros cares about

Customer Success
As the SVP of Global Customer Success, he focuses on platform adoption, value realization, customer retention, and expansion for a large portfolio of clients.
Cybersecurity Upskilling
His work at Hack The Box, a leading cybersecurity upskilling platform, centers on empowering organizations to enhance their cyber capabilities through continuous training.
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Career

Work history

1-2026
SVP Global Customer Success
Hack The Box
5-2024
Portfolio Advisor
Northzone
3-2024 - 12-2025
Vice President of Customer Success
Hack The Box
4-2023
Treasurer
Desmos Policy Institute
3-2023 - 12-2023
Advisor
OpenView
In the press

Media appearances

Mastering momentum: A look back at HTB 2025 Revenue Kickoff event. Featured in Hack The Box Blog
See now
Education
2011 - 2012
MSc
Stanford University
2008 - 2010
BSc
Brown University
Social presence
in
Behavioral profile

DISC profile (public)

DISC behavioral profile

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