MaryAnn de Mestre
MaryAnn de Mestre cover
MaryAnn de Mestre

MaryAnn de Mestre

Principal Lawyer M de Mestre Lawyers

location
Warriewood, NSW
Click to Reveal Phone Number0401 513..

About MaryAnn

MaryAnn de Mestre serves as the Principal Lawyer at M de Mestre Lawyers, where she is a recognised authority in wills and estates, estate litigation, and elder law. Known for her strategic and no-nonsense approach, MaryAnn expertly navigates complex legal disputes, especially in family disputes, estate litigation, and family provision claims. Her practice encompasses a wide range of legal services, but she has earned particular acclaim for her skill in resolving emotionally charged and high-stakes matters involving families and estates. Combining sharp legal insight with decisive action, she provides her clients with clarity and confidence during challenging situations. MaryAnn's dedication to the legal field is further demonstrated by her award-winning academic background, having been named Academic of the Year at Macquarie University during the Women in Law Awards. Her role as a court-appointed expert in estates and professional negligence underscores the professional trust in her judgment and expertise. MaryAnn is also a sought-after legal commentator, frequently sharing her insights on ABC Radio and 2SM, and contributing to major publications such as the Australian Financial Review, The Guardian, and The Sydney Morning Herald. Her commentary sheds light on legal issues affecting individuals and families. Passionate about elder abuse awareness and prevention, MaryAnn is committed to advocating for meaningful change within the legal profession and the broader community. She leads a progressive law firm that challenges traditional legal approaches by offering practical, results-driven solutions tailored to each client's unique circumstances. With a keen commitment to safeguarding legacies, MaryAnn's practice is built on integrity, empathy, and precision. Her client-centric approach focuses on empowering individuals to secure their family's future. By understanding the emotional complexities of estate planning, she creates meticulous legal frameworks that navigate the intricacies with clarity and expertise. Her firm upholds ethical standards, delivering comprehensive solutions that honour individual aspirations and safeguard assets for future generations. MaryAnn's extensive experience includes her current role as a Convenor of Succession Law and Sessional Academic in Law at Macquarie University. She is a respected contributor to Thomson Reuters' NSW Civil Practice and Procedure and has previously served as a Senior Associate at John de Mestre & Co Pty Ltd. Her legal education includes a Bachelor of Laws with Honours from Western Sydney University, a Bachelor of Arts & Sciences from the University of Sydney, and a Master of Laws in Applied Law majoring in Wills & Estates from The College of Law Australia. Her accolades include winning the Sir Lawrence Street Negotiation Award, further highlighting her negotiation prowess and commitment to excellence in the legal field.

Practice Areas

Estate Planning

Recommendations

MaryAnn de Mestre hasn't received any ratings or recommendations yet

Resume

Experience

Convenor of Succession Law
Convenor of Succession Law
Macquarie University
Jan 2024 - Present · 2 years 5 months
Senior Associate
Senior Associate
John de Mestre & Co Pty Ltd
Dec 2023 - Present · 2 years 6 months
Principal
Principal
M de Mestre Lawyers
Dec 2023 - Present · 2 years 6 months
Contributor
Contributor
Thomson Reuters
Jan 2023 - Present · 3 years 5 months
Sessional Academic in Law
Sessional Academic in Law
Macquarie University
Jan 2022 - Present · 4 years 5 months
Referee
Referee
Adelaide Law Review
Jan 2021 - Jan 2021 · 0 months
Adjunct Fellow
Adjunct Fellow
Western Sydney University
Jan 2016 - Dec 2019 · 3 years 11 months
Guest Lecturer in Elder Law
Guest Lecturer in Elder Law
Jan 2015 - Dec 2015 · 11 months
Tipstaff to Hon. G. Lindsay (Probate & Protective Judge)
Tipstaff to Hon. G. Lindsay (Probate & Protective Judge)
Supreme Court of New South Wales
Jan 2015 - Dec 2015 · 11 months
Assistant Editor
Assistant Editor
Jan 2015 - Dec 2016 · 1 year 11 months

Education

Massters of Laws LLM (Applied Law) majoring in Wills & Estates, Law
Massters of Laws LLM (Applied Law) majoring in Wills & Estates, Law
The College of Law Australia
2022
Practical Legal Training
Practical Legal Training
Australian National University
2015 - 2015
Bachelor of Laws - LLB (Honours II), Law
Bachelor of Laws - LLB (Honours II), Law
Western Sydney University
2014
Bachelor of Arts & Sciences, Liberal Arts and Sciences/Liberal Studies
Bachelor of Arts & Sciences, Liberal Arts and Sciences/Liberal Studies
University of Sydney
2011

Awards

2024
Academic/Researcher of the Year 2024
Lawyers Weekly
2024
Finalist, Partner of the Year Wills & Estates 2024
Lawyers Weekly
2023
Finalist, Academic of the Year 2023
Lawyers Weekly

Contact Information

Warriewood, NSW

Location27, 90 Mona Vale Road, Warriewood, NSW
Click to Reveal Phone Number(02) 991..
WebsiteView Website

Practice Certificate

Name
MaryAnn de Mestre
Date of Admission
2015
Certification type
Principal of a law practice
Class
Law Practice
Region
NSW
CheckLast checked: 3 Jun 2026•
Checked with the Law Society of NSW

Practice Categories

Estate Planning
  • Deceased Estates
  • Disputes
  • Estate Administration
  • Guardianship
  • Power of Attorney
  • Probate
  • Wills and Estates