Peter Triantafillou in

Peter Triantafillou

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Deputy Chief Information Security Officer at Wintrust Financial Corporation
📍 Greater Chicago Area, United States

Peter Triantafillou is the Deputy CISO at Wintrust Financial Corporation, where he leads Security Operations and Engineering. He is focused on enhancing risk discussions between management and security to help the business innovate. Described as bright, he holds a CISSP certification and degrees from DePaul University.

He has prior experience as an Adjunct Faculty member at DePaul University, where he taught courses in Information Security Management and Network Security.

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Experience
21 Years
Current Role
Deputy Chief Information Security Officer
Job Level
Leadership
Location
Greater Chicago Area, United States
Personality Overview

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Communication Style
Decision Approach
Work Preference

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Priorities

Topics Peter cares about

AI in Cybersecurity
He has shown a strong interest in embracing AI for cybersecurity programs, highlighting its importance for the future.
Cyber Talent Development
Frequently promotes open roles within Wintrust, emphasizing the great culture and opportunity to build best-in-class capabilities on a growing team.
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Career

Work history

8-2026
Deputy Chief Information Security Officer
Wintrust Financial Corporation
9-2025
SVP, Security Operations and Engineering
Wintrust Financial Corporation
2-2019 - 9-2025
Managing Director
BMO Financial Group
9-2015 - 2-2019
Senior Director, Global Head of TPRM
TransUnion
3-2012 - 8-2015
Adjunct Faculty
DePaul University
In the press

Media appearances

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Education
2008 - 2010
Master of Science
DePaul University
2000 - 2004
Bachelor of Science
DePaul University
Social presence
in
Behavioral profile

DISC profile (public)

DISC behavioral profile

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