Senior Consultant
Current
Sep 2013 - Present
AeroLeads people directory · profile
John Siebert Email & Phone Number
Senior Consultant, Proactive Quantity Surveying Pty Ltd
at
Proactive Quantity Surveying Pty Ltd
1 work email found
@pqs.com.au
LinkedIn matched
✓ Verified May 2026
4 data sources
Profile completeness 100%
Current company
Role
Senior Consultant, Proactive Quantity Surveying Pty Ltd
Location
Greater Brisbane Area, Australia, Australia
Company size
Who is John Siebert? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
John Siebert is listed as Senior Consultant, Proactive Quantity Surveying Pty Ltd at Proactive Quantity Surveying Pty Ltd, a company with 4 employees, based in Greater Brisbane Area, Australia, Australia. AeroLeads shows a work email signal at pqs.com.au and a matched LinkedIn profile for John Siebert.
John Siebert previously worked as Senior Consultant at Proactive Quantity Surveying Pty Ltd and Director at Proactive Quantity Surveying. John Siebert holds Building Technicians Certificate, Quantity Surveying from South Australian Institute Of Technology.
Company email context
Email format at Proactive Quantity Surveying Pty Ltd
This section adds company-level context without repeating John Siebert's masked contact details.
{first}.{last}@pqs.com.au
89% confidence
AeroLeads found 1 current-domain work email signal for John Siebert. Compare company email patterns before reaching out.
Profile bio
About John Siebert
John Siebert is a Senior Consultant, Proactive Quantity Surveying Pty Ltd at Proactive Quantity Surveying Pty Ltd. He possess expertise in quantity surveying, cost management, design management, contract management, construction management and 20 more skills. Colleagues describe him as "John is a very experienced and competent Quantity Surveyor who always gives his best to ensure quality outcomes and Client satisfaction." and "A have worked with John for at least 15 years in consulting in Brisbane. John has always given prompt and accurate costing advice on any project we have worked together on."
Listed skills include Quantity Surveying, Cost Management, Design Management, Contract Management, and 21 others.
Current workplace
John Siebert's current company
Company context helps verify the profile and gives searchers a useful next step.
Proactive Quantity Surveying Pty Ltd
7 roles
John Siebert work experience
A career timeline built from the work history available for this profile.
Director
Apr 1995 - Sep 2013
Owner / Director
Current
John Siebert & Assoc. Pty Ltd
Jul 1991 - Present
Senior Quantity Surveyor
Rider Hunt Brisbane
Jan 1988 - Jul 1991
Senior Quantity Surveyor
Rider Hunt Adelaide
Dec 1986 - Dec 1987
Technical Officer Grade 3
Qs Office, State Government South Aust
Jan 1969 - Nov 1986
Technical Cadet
Wunderlich Ltd
Jun 1965 - Jan 1969
2 education records
John Siebert education
Building Technicians Certificate, Quantity Surveying
South Australian Institute Of Technology
Associate Member, Aust. Inst. Of Qs - Aaiqs 2001
Australian Institute Of Quantity Surveyors
FAQ
Frequently asked questions about John Siebert
Quick answers generated from the profile data available on this page.
What company does John Siebert work for?
John Siebert works for Proactive Quantity Surveying Pty Ltd.
What is John Siebert's role at Proactive Quantity Surveying Pty Ltd?
John Siebert is listed as Senior Consultant, Proactive Quantity Surveying Pty Ltd at Proactive Quantity Surveying Pty Ltd.
What is John Siebert's email address?
AeroLeads has found 1 work email signal at @pqs.com.au for John Siebert at Proactive Quantity Surveying Pty Ltd.
Where is John Siebert based?
John Siebert is based in Greater Brisbane Area, Australia, Australia while working with Proactive Quantity Surveying Pty Ltd.
What companies has John Siebert worked for?
John Siebert has worked for Proactive Quantity Surveying Pty Ltd, Proactive Quantity Surveying, John Siebert & Assoc. Pty Ltd, Rider Hunt Brisbane, and Rider Hunt Adelaide.
How can I contact John Siebert?
You can use AeroLeads to view verified contact signals for John Siebert at Proactive Quantity Surveying Pty Ltd, including work email, phone, and LinkedIn data when available.
What schools did John Siebert attend?
John Siebert holds Building Technicians Certificate, Quantity Surveying from South Australian Institute Of Technology.
What skills is John Siebert known for?
John Siebert is listed with skills including Quantity Surveying, Cost Management, Design Management, Contract Management, Construction Management, Construction, Value Engineering, and Green Building.
Find 750M verified contacts
Search by job title, company, industry, location, and seniority. Export verified B2B contact data when you need it.
Start free trialPeople with similar names
Check these profiles if this is not the John Siebert you were looking for.
John Siebert
2 email domains
John Siebert
3 email domains
John Siebert
3 email domains
John Siebert
3 email domains
John Siebert
6 email domains