Law Firm


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Nathan completed both a Bachelor of Laws (LLB) in 2019 and a Graduate Diploma in Legal Practice (GDLP) in 2020 at the University of Adelaide.

During his studies there, Nathan volunteered as a student adviser at the Magistrates Court Legal Advice Service (MCLAS) in Adelaide and clerked at a reputable South Australian firm.

In November 2020, Nathan was admitted and enrolled as a barrister and solicitor of the Supreme Court of South Australia. Further, Nathan's name has been entered on the High Court of Australia’s Register of Practitioners.

In September 2021, Nathan joined Cifuentes Lawyers as a solicitor where he practises primarily in the areas of family, migration, and criminal law. 

Nathan holds a keen interest in these practice areas, particularly family law, and is currently completing a Master of Applied Law (Family Law) at the College of Law.

Nathan can be contacted by email at


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Migration Consultant

Migration Agent MARN 1801570

​Mariana is a highly experienced Migration agent able to provide quality advice on a range of Australian visas including skills, business, partner, parent, humanitarian, global talent and student visas among others.  Mariana can assist you with appeals in the Administrative Appeals Tribunal (AAT) in respect to visa refusals, cancellation and revocations as well as preparing briefs for applications for Judicial Review in the Federal Court of Australia. Mariana is also able to provide tailored advice in respect of Citizenship applications and refusals. Mariana has a particular interest in complex matters relating to visa cancellations, withdrawal of citizenship approvals, protection visas, Schedule 3 and Health waivers, family violence (partner visas) and PIC 4020 bogus documents/misleading information.

Mariana holds a Graduate Certificate in Migration Law and Practice from the Australian National University, as well as a Bachelor and Master Degree in International Studies from the University of South Australia. She is currently studying a Bachelor of Laws and Legal Practice with Adelaide University. She is a Member of the Migration Institute of Australia (MIA) and a member of the Migration Club of South Australia. Mariana speaks fluent Spanish and is happy to provide assistance in this language if required. Mariana can be reached on 83113 1348 or via email

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Principal Lawyer

Christian is admitted to practice as barrister and solicitor of the Supreme Court of South Australia and in the High Court of Australia. Christian is an engaging and highly effective lawyer committed to achieving the best possible outcome for his clients through vigorous, pragmatic and strategic legal work. Christian is strongly focused on negotiated outcomes, when possible, to avoid costly and protracted legal proceedings. Prior to establishing Cifuentes Lawyers in 2015, Christian worked at the Legal Services Commission of South Australia and as a Family Mediator with the Australian Relationship Centre.

Christian's academic qualifications include a Bachelor of International Studies and a Bachelor of Law and Legal Practice from Flinders University, and a Master of International Law completed with the Australian National University. Christian speaks Spanish fluently and provides legal services in this language if needed.

Contact Christian via email on

Level 1, 130 Franklin Street
Adelaide SA 5000
    (08) 8311 1349