Marissa Tree-Hannum in

Marissa Tree-Hannum

Commander · DISC type D
Senior Director, Communications at Celonis
📍 New York, 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.

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Experience
21 Years
Current Role
Senior Director, Communications
Job Level
Senior
Location
New York, New York, United States
Personality Overview

How Marissa shows up

Decisive
Risk-Taker
Candid & Clear

They like to move fast and expect the same from others. They take a lot of pride in personal achievements. They respond well to strong and respectful communication.

Priorities

Topics Marissa cares about

Strategic Priorities
Topic insights and context to help personalize outreach and discovery conversations.
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Career

Work history

8-2023
Senior Director, Communications
Celonis
3-2020 - 7-2023
Senior Director, External Communications
Zendesk
10-2017 - 3-2020
Director, Communications - Asia Pacific
Zendesk
10-2015 - 10-2017
Regional Senior Account Director (Technology & Corporate - APAC)
Weber Shandwick
3-2013 - 10-2015
Account Director and Corporate & Public Affairs Practice Lead, South East Asia
Hill+Knowlton Strategies
In the press

Media appearances

Media appearances and press coverage highlighting public visibility and thought leadership.
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Education
2000 - 2002
Bachelor of Business
QUT (Queensland University of Technology)
1995 - 1999
Senior Certificate
St Peters Lutheran College
Social presence
in
Behavioral profile

DISC profile (public)

D

Dominance (D)

Dominance (D) reflects how goal and task oriented a person is, and their ability to accomplish results irrespective of how demanding the circumstances might be. Those scoring high tend to be motivated by winning, competition, and success.

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