Ester Widjaja

Ester Widjaja: Email & Phone Number

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Business and Operation Lead at GreenA Consultants|Singapore

Position:

Business and Operation Lead at GreenA Consultants

Location:

Singapore

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Last updated: 2026-05-16
Updated: 2026-05-16

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Work Experience 18 years

Business and Operation Lead at GreenA Consultants

Mar 2025 - Current

Business Sustainability Analyst at GreenA Consultants

Mar 2024 - Mar 2025

Senior Quantity Surveyor at Hexacon Construction

Nov 2016 - Feb 2022

Senior Cost Controller at Daewoo Engineering & Construction Co.,Ltd.

Apr 2014 - Nov 2016

Quantity Surveyor at Shimizu Corporation

Aug 2008 - Apr 2014

Ester Widjaja started working in 2008, then the employee has changed 3 companies and 4 jobs. On average, Ester Widjaja works for one company for 3 years 2 months.

Their professional focus is Analytical Skills, Attention to Detail, and Communication across 3 core areas.

Education

Advanced Certificates at Singapore Management University

Bachelor's degree at Heriot-Watt University

Diploma at Imperia Institute of Technology

Frequently Asked Questions

What is Ester Widjaja's email address?

SignalHire found a verified business email address for Ester Widjaja: w*******e@greenaconsultants.com.

What is Ester Widjaja's phone number?

SignalHire found a verified phone number for Ester Widjaja: +65-***-***-9097.

How do I contact Ester Widjaja at GreenA Consultants?

You can reach Ester Widjaja 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 Ester Widjaja's professional background?

Ester Widjaja has 18 years of professional experience. They have held roles including Business Sustainability Analyst, Senior Quantity Surveyor, and Senior Cost Controller at companies such as GreenA Consultants, Hexacon Construction, and Daewoo Engineering & Construction Co.,Ltd.. Their education includes Advanced Certificates from Singapore Management University, and Bachelor's degree from Heriot-Watt University.

Is Ester Widjaja's contact information up to date?

Yes. Ester Widjaja's SignalHire profile was last updated on 16 May 2026, reflecting their current position as Business and Operation Lead at GreenA Consultants in singapore, Singapore.

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