Retired
Retirees R Us
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Greg Sack Email & Phone Number
Retired
at
Retirees r Us
1 work email found
@star21.com.au
LinkedIn matched
✓ Verified August 2026
4 data sources
Profile completeness 100%
Who is Greg Sack? Overview
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Quick answer
Greg Sack is listed as Retired at Retirees r Us, based in Greater Melbourne Area, Australia. AeroLeads shows a work email signal at star21.com.au and a matched LinkedIn profile for Greg Sack.
Greg Sack previously worked as Customer Technology Specialist at Star21 Pty Ltd and Communications Consultant/Presales Solutions Consultant at Telstra. Greg Sack holds Bachelor’S Degree, Computer Science from Monash University.
Company email context
Email format at Retirees r Us
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*@star21.com.au
68% confidence
AeroLeads found 1 current-domain work email signal for Greg Sack. Compare company email patterns before reaching out.
Profile bio
About Greg Sack
Greg Sack is a Retired at Retirees r Us. He possess expertise in account management, broadband, cloud computing, customer experience, ip and 20 more skills.
Listed skills include Account Management, Broadband, Cloud Computing, Customer Experience, and 21 others.
Current workplace
Greg Sack's current company
Company context helps verify the profile and gives searchers a useful next step.
10 roles · 44 years
Greg Sack work experience
A career timeline built from the work history available for this profile.
Communications Consultant/Presales Solutions Consultant
Dec 2002 - Jul 2019
Trainer
2001 - 2002
~1 yr
Product Manager, Opi Voice
Optus
2000 - 2001
~1 yr
Communications Consultant
Optus
1998 - 2000
~2 yrs
Data Consultant
Nec Australia
1995 - 1998
~3 yrs
Senior Systems Engineer
Ub Networks
1987 - 1995
~8 yrs
Systems Engineer
Honeywell Bull
1986 - 1987
~1 yr
Software Engineer
Pennywise Periperals
1983 - 1986
~3 yrs
3 education records
Greg Sack education
Bachelor’S Degree, Computer Science
High School
Wesley College, Melbourne
Graduate Diploma, Systems Engineering
FAQ
Frequently asked questions about Greg Sack
Quick answers generated from the profile data available on this page.
What company does Greg Sack work for?
Greg Sack works for Retirees r Us.
What is Greg Sack's role at Retirees r Us?
Greg Sack is listed as Retired at Retirees r Us.
What is Greg Sack's email address?
AeroLeads has found 1 work email signal at @star21.com.au for Greg Sack at Retirees r Us.
Where is Greg Sack based?
Greg Sack is based in Greater Melbourne Area, Australia while working with Retirees r Us.
What companies has Greg Sack worked for?
Greg Sack has worked for Retirees R Us, Star21 Pty Ltd, Telstra, Esource, and Optus.
How can I contact Greg Sack?
You can use AeroLeads to view verified contact signals for Greg Sack at Retirees r Us, including work email, phone, and LinkedIn data when available.
What schools did Greg Sack attend?
Greg Sack holds Bachelor’S Degree, Computer Science from Monash University.
What skills is Greg Sack known for?
Greg Sack is listed with skills including Account Management, Broadband, Cloud Computing, Customer Experience, Ip, Mpls, Managed Services, and Mobile Devices.
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