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TDA Immigration

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OUR STORY

Welcome to TDA

Founded by a Pioneer in Immigration - Tuariki Delamere


Our consultancy was founded by the now retired Tuariki Delamere, a distinguished former Member of Parliament and Minister of Immigration with decades of experience in the field. It was Tuariki’s unparalleled expertise and deep understanding of New Zealand’s immigration policies that set us apart. As Minister of Immigration, Tuariki Delamere gained a unique inside perspective on New Zealand's immigration system.  This deep understanding has allowed TDA to anticipate challenges, navigate complexities, and provide tailored solutions that align with your specific needs and circumstances. 


Experience You Can Rely On


Over the years, TDA Immigration has assisted more than 10,000 clients and represented individuals in hundreds of appeals before the Immigration and Protection Tribunal and the courts. Our work includes some of the most complex and challenging cases in New Zealand immigration law.


We understand that immigration decisions often have life‑changing consequences. That is why we take a careful, strategic and client‑focused approach to every matter we handle.


Comprehensive Services Tailored to Your Needs


Whether you’re applying for a work visa, student visa, residency, or appealing a declined application, we offer a full range of immigration services to meet your needs. Our team will work closely with you to:


- Assess your eligibility and identify the best visa pathway.

- Prepare and submit a strong, well-documented application.

- Represent you in appeals or complex cases before the Tribunal or other authorities.

- Provide ongoing support and guidance throughout your immigration journey.


Our Purpose and Values


At TDA Immigration, our work is grounded in a clear set of values.


We are committed to delivering advice that is:


  • Expert and accurate – based on deep knowledge of immigration law, policy and practice.
  • Honest and realistic – clear about risks, prospects and options, even when the answer is difficult.
  • Respectful of all cultures – recognising the diverse backgrounds and experiences of the people we serve.
  • Principled and ethical – acting with integrity in all dealings with clients and authorities.


We acknowledge and honour Te Tiriti o Waitangi and its central role in New Zealand’s legal, constitutional and cultural framework. This commitment informs how we work, how we advocate, and how we engage with both clients and institutions.


Advocacy with Integrity


TDA Immigration plays a dual role within New Zealand’s immigration system. We work constructively with Immigration New Zealand and other decision‑makers, respecting their responsibilities and supporting the proper administration of immigration law. At the same time, we are strong and independent advocates for our clients.


Where clients have genuine and credible cases, we are prepared to challenge incorrect decisions, test policy application, and hold authorities accountable through appeals, judicial review and other lawful processes. This balanced approach—cooperative where possible, robust where necessary—has been central to our long history of success.


Our Commitment to You


Choosing an immigration adviser is a significant decision. At TDA Immigration, you can expect clear advice, careful preparation, and strong representation—always delivered with respect, cultural awareness and integrity.


We are proud of our history, focused on the present, and committed to continuing to serve our clients and New Zealand’s immigration system with professionalism and purpose.

Team of Professionals

Arlana Delamere

Chaoyang (Yang) Cai

Hong (Daisy) Dong

Arlana Delamere is the Managing Director of TDA Immigration, a Licensed Immigration Adviser, and an entrepreneur. She has worked in New Zealand immigration since 2012 and is known for clear strategy, evidence-led preparation and principled advocacy. She supports individuals, families and employers across visa applications, appeals and complex matters. 

Hong (Daisy) Dong

Chaoyang (Yang) Cai

Hong (Daisy) Dong

Hong (Daisy) Dong has been a Licensed Immigration Adviser since 2024. She has proven highly capable, managing several cases successfully and always delivering professional representation and advice.

Chaoyang (Yang) Cai

Chaoyang (Yang) Cai

Chaoyang (Yang) Cai

Yang Cai  is a highly experienced Licensed Immigration Adviser.  Since 2014 he has represented over 1,000 applications across visa categories.  He brings a unique perspective from more than 15 years of teaching experience, supporting complex processes with clarity. 

Jeff Yuan

Chaoyang (Yang) Cai

Chaoyang (Yang) Cai

 Jeff Yuan has been a Licensed Immigration Adviser since 2018. He holds an EMBA from overseas and a Bachelor of Commerce from the University of Auckland. He is also fluent in both Mandarin and English.  Jeff provides tailored, practical solutions and makes the process accessible and stress-free for clients. A valuable addition to TDA since 2023.  

Yolanda Zhou

Jo-ell Delamere

Irene Korewha

With over 17 years at TDA, Yolanda Zhou has excelled as a customer liaison and Chief Marketing Specialist, driving growth in the Asian market. Her teaching background equips her to connect with clients and provide tailored guidance, making her a trusted advisor and key contributor to TDA’s success.  

Irene Korewha

Jo-ell Delamere

Irene Korewha

Irene Korewha brings more than a decade of experience in immigration support and administration. She plays a critical role in smooth operations, high standards of client care, and supporting advisers and clients throughout the process.

Jo-ell Delamere

Jo-ell Delamere

Jo-ell Delamere

 Jo-ell Delamere was there when TDA Immigration first started.  She has decades of experience in immigration support and administration. She plays a critical role in smooth operations, high standards of client care, and supporting advisers and clients throughout the process.

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