Dimitrios Tzimas, Ph.D. in

Dimitrios Tzimas, Ph.D.

Critic · DISC type C
Head of Security Architecture & Research at PayPal
📍 Brooklyn, New York, United States

Professional overview including current role context, leadership scope, domain focus, and career trajectory to help you understand background relevance before outreach.

Key behavioral and communication insights including interaction style, decision-making tendencies, and motivation drivers to tailor messaging and personalize conversations.

Business priorities, areas of interest, and practical outreach recommendations that can improve conversion quality for this professional.

Login to view overviewLogin to view overview
Experience
36 Years
Current Role
Head of Security Architecture & Research
Job Level
Mid-senior
Location
Brooklyn, New York, United States
Personality Overview

How Dimitrios shows up

Objective Thinker
Critic
Negotiator

Unless the value is proven by data, they are unlikely to value fancy features. It is very likely that they will negotiate pricing or other important terms. They like to do things independently and don’t look for support from others.

Priorities

Topics Dimitrios cares about

Strategic Priorities
Topic insights and context to help personalize outreach and discovery conversations.
Login to view topicsLogin to view topics
Career

Work history

6-2022
Head of Security Architecture & Research
PayPal
12-2018
Advisory Board Member, Graduate Program in Cyber Security
Yeshiva University
1-2020
Adj. Professor
Katz School at Yeshiva University
1-2019 - 7-2022
Head of Security Architecture
UBS
7-2007 - 12-2018
Managing Principal
Xquisitec
In the press

Media appearances

Media appearances and press coverage highlighting public visibility and thought leadership.
Login to viewLogin to view media
Education
Ph.D.
Massachusetts Institute of Technology
BA/MA Combined Degree (Honors 5 year program)
The City College of New York / CUNY Graduate Center
Exchange Scholar
University of California at Berkeley
Social presence
in
Behavioral profile

DISC profile (public)

C

Calculativeness (C)

Calculativeness (C) reflects the degree to which a person is likely to be cautious, systematic and analytical. Those scoring high tend to emphasise quality and accuracy.

Unlock the full playbookSee exactly how to sell to Dimitrios. Free, 10 seconds.