Nancy Zimmerman | Colliers International | Phoenix

Nancy Zimmerman

Executive Administrative Assistant

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Professional Summary

As the executive assistant for Colliers International in Arizona, Nancy Zimmerman provides administrative and operational support to the senior managing director, Bob Mulhern, and the regional operations manager, Bev Jensen. Her responsibilities include coordinating meetings; organizing large and complex company activities, arranging cross-functional events and conferences; and managing domestic and international travel plans. 

Nancy ensures compliance with administrative policies and procedures throughout the region; prepare expense reports and credit card reconciliations; and updates the offices on corporate policies. She also identifies and implements processes to improve workflow and organization, serving as a primary point of contact to distribute materials and standard operating procedures.

She joined Colliers in 2007.


  • Colliers International - 2015 and 2014 - All-In Award for being fully committed to moving to the next level and to setting winning strategies for the future.
  • Colliers International – 2010 Staff Person of the Year – in recognition of consistently performing well beyond what their job description requires. Courteous and helpful to others.  Strives to improve themselves.
  • Colliers International – 2010 Dedication & Teamwork Award – in recognition of unselfishly contributing to the Colliers’ mission, demonstrating remarkable effort, service to colleagues, and extraordinary loyalty to the team.

Memberships & Involvements

  • Colliers AZ Cares Foundation Board Member
  • Colliers | Arizona Leadership Council
  • Colliers | Arizona Staff Leadership Council

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