Hellen Ou: Email & Phone Number

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Technical Director - Cost Management at AECOM|United States

Position:

Technical Director - Cost Management at AECOM

Location:

United States

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Last updated: 2026-07-25

Updated: 2026-07-25

Found email addresses for Hellen Ou:

Business emails:

o******n@aecom.com

Personal emails:

h***@hotmail.com,

h***@hillintl.com,

o***@yahoo.com,

o***@aecom.com

Found phones for Hellen Ou:

+1-870-***-**37,

+1-623-***-**11,

+1-480-***-**52,

+1-480-***-**08

A different Hellen Ou?

Work Experience 25 years

Technical Director - Cost Management at AECOM

Jan 2025 - Current

Director – Cost Management at AECOM

Jan 2019 - Jan 2025

Associate Director – Cost Management at AECOM

Jan 2017 - Jan 2019

Senior Cost Manager at Hill International, Inc.

Jan 2014 - Jan 2017

Cost Manager at Hill International, Inc.

Jan 2011 - Jan 2014

Project Controls Specialist at Hill International, Inc.

Jan 2008 - Jan 2011

Senior Cost Engineer at RS&H

Jan 2006 - Jan 2008

Cost Engineer at RS&H

Jan 2004 - Jan 2006

Cost Analyst at RS&H

Jan 2001 - Jan 2004

Hellen Ou started working in 2001, then the employee has changed 2 companies and 8 jobs. On average, Hellen Ou works for one company for 2 years 10 months.

Hellen is proficient in China. Their professional focus is AI-Enabled Cost Estimation & Digital Innovation, Client Advisory & Stakeholder Engagement, and Cost Management & Quantity Surveying across 3 core areas.

Education

Bachelor of Science in Civil Engineering at University of Southern California

Frequently Asked Questions

What is Hellen Ou's email address?

SignalHire found verified email addresses for Hellen Ou, both business and personal. Their business email is o******n@aecom.com, and personal emails include h***@hotmail.com, h***@hillintl.com, and o***@yahoo.com.

What is Hellen Ou's phone number?

SignalHire found multiple verified phone numbers for Hellen Ou: +1-870-***-**37, +1-623-***-**11, and +1-480-***-**52.

How do I contact Hellen Ou at AECOM?

You can reach Hellen Ou through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.

What is Hellen Ou's professional background?

Hellen Ou has 25 years of professional experience. They have held roles including Director – Cost Management, Associate Director – Cost Management, and Senior Cost Manager at companies such as AECOM, AECOM, and Hill International, Inc.. Their education includes Bachelor of Science in Civil Engineering from University of Southern California.

Is Hellen Ou's contact information up to date?

Yes. Hellen Ou's SignalHire profile was last updated on 25 July 2026, reflecting their current position as Technical Director - Cost Management at AECOM in Dallas, Texas, United States.

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