Ivan Chang

Ivan Chang's email & phone

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Product Manager at Millicom (Tigo)|Santa Catarina Pinula, Guatemala

Position:

Product Manager at Millicom (Tigo)

Location:

Santa Catarina Pinula, Guatemala

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Last updated: 2026-04-01
Updated: 2026-04-01

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Work Experience 23 years

Product Manager at Millicom (Tigo)

Oct 2024 - Current

Senior Software Architect at Millicom (Tigo)

Apr 2024 - Oct 2024

Product Champion at Tigo Bolivia

Nov 2023 - May 2024

Software Architect at Tigo Guatemala

Jun 2021 - Nov 2023

Business Process Analyst at Tigo Guatemala

Jul 2020 - Jun 2021

Commercial Analyst at Tigo Guatemala

Oct 2017 - Jul 2020

Product Engineer at Tigo Guatemala

Feb 2017 - Oct 2017

Software Architect at Jumay

Apr 2015 - Jan 2017

Sales Manager at Universal S.A.

Jan 2009 - Jan 2015

Software Programmer at Zentrum Sistemas Guatemala

Jan 2007 - Jan 2009

Assistant General Manager at Universal S.A.

Jan 2003 - Sep 2006

Ivan Chang started working in 2003, then the employee has changed 5 companies and 9 jobs. On average, Ivan Chang works for one company for 2 years 1 month.

Education

Postgraduate at Universidad Galileo

Master's degree at Universidad Galileo

Bachelor of Science (B.Sc.) at Universidad Galileo

High School Graduate at Colegio Evelyn Rogers

Frequently Asked Questions

What is Ivan Chang's email address?

SignalHire found a verified business email address for Ivan Chang: c****i@millicom.com.

What is Ivan Chang's phone number?

SignalHire found a verified phone number for Ivan Chang: +502-***-***-8155.

How do I contact Ivan Chang at Millicom (Tigo)?

You can reach Ivan Chang 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 Ivan Chang's professional background?

Ivan Chang has 23 years of professional experience. They have held roles including Senior Software Architect, Product Champion, and Software Architect at companies such as Millicom (Tigo), Tigo Bolivia, and Tigo Guatemala. Their education includes Postgraduate from Universidad Galileo, and Master's degree from Universidad Galileo.

Is Ivan Chang's contact information up to date?

Yes. Ivan Chang's SignalHire profile was last updated on 1 April 2026, reflecting their current position as Product Manager at Millicom (Tigo) in Luxembourg, Luxembourg, Luxembourg.

Ivan Chang Namesakes

Name
Company
Position
Ivan Chang
OUS Group
Mining Engineer

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Christian Paolo
Cloud, Cybersecurity & Telecom Pricing Owner
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Mauricio Guevara
Global Category Manager - Fixed Networks
nicholaus George
Cyber Security Specialist MIC Tanzania (tiGo)

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