Meet the Cornerstone Migration team
Our team helps individuals, families and employers with Australian visa enquiries, evidence preparation and agreed application work.
Nathan Joo, Registered Migration Agent (MARN 1173091), leads our migration advice. Cornerstone Migration focuses on visa work; Cornerstone HR handles construction, recruitment and labour market testing services separately.
Nathan Joo
Registered Migration Agent · MARN 1173091
Nathan Joo leads Cornerstone Migration’s visa advice and is a Registered Migration Agent (MARN 1173091).
Having grown up across New Zealand, South Korea, the United States and Australia, Nathan understands migration as both a legal process and a deeply personal decision. He brings a rare mix of legal knowledge, commercial judgement, cross-cultural understanding and real-world business experience.
Over the years, Nathan has built and led businesses across migration, recruitment, HR and legal-service environments. His strength is helping clients cut through complexity, understand their options and move forward with a clear, practical strategy.
Nathan’s approach is simple: tell the truth, protect the client, and do the work properly.
- Registered Migration Agent, MARN 1173091
- Visa advice for individuals, families and employers
- Australian and New Zealand migration background
- Employer sponsorship, skilled migration, family pathways and complex matters
- Business, recruitment and cross-cultural experience behind the advice
The People Behind Your Success
Our team works across Australia and the Philippines — combining legal skill, recruitment insight, and client-first delivery.
We Help You With:
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Visa Refusals & Cancellations
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AAT (Administrative Appeals Tribunal) Appeals
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Section 501 Character Cancellations
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Ministerial Intervention Requests
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Complex Family & Partner Visa Cases
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Bridging Visa Complications & Unlawful Status
For Visa Applicants
Take Control of Your Immigration Journey
If you’re facing a visa refusal, cancellation, or complex immigration issue, we’re here to support you every step of the way. Our experienced team provides strategic guidance and strong representation to help you achieve the best possible outcome — whether through an appeal, ministerial intervention, or alternative visa pathway.
We Support:
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AAT Appeal Preparation & Representation
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Honest Assessment of Appeal Prospects
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Guidance on Supporting Documents & Evidence
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Assistance with Urgent Deadlines
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Ongoing Legal Support Throughout the Process
The People Behind Your Success
Our team supports visa enquiries, information gathering, application preparation and client communication.
Jack Huang
Migration Agent, MARN 1069145
- office@csmigration.com.au
- Ask/Request Jack about:
Cherry Notorio
Migration Operations Manager
- info@csmigration.com.au
- Ask/Request Cherry about:
document collation, visa updates, client follow-ups, and migration case coordination
Elsie Hilde I. Salvania
Visa & Recruitment Specialist
- elsie@csmigration.com.au
- Ask/Request Elsie about:
visa preparation and pre-screening for migration matters. Recruitment enquiries are handled separately by Cornerstone HR.
Myra Tong
Senior Migration Administrator
- office@csmigration.com.au
- Ask/Request Myra about:
visa preparation, document follow-ups, client coordination, and migration case administration
The Results Say It All.
Real clients. Real outcomes. Zero compromises.
Why Our Team Works
Case preparation
We review your circumstances, supporting evidence and relevant deadlines.
Registered migration advice
Nathan Joo, Registered Migration Agent (MARN 1173091), leads our visa advice. Our team supports the agreed work.
Employer visa matters
We assess the business, proposed role and candidate for sponsorship, nomination and visa work.
Need to Sponsor with Confidence?
Discuss the proposed role, candidate and business circumstances so we can assess your sponsorship, nomination and visa options.