Mark Stiebel joined MEUM in December 2024, bringing decades of experience in managing complex family law matters. He has a particular expertise in high-value financial cases, including those involving offshore and onshore trusts, intricate family dynamics, and child-related issues. Mark is highly regarded for his strategic, client-focused approach, which combines a deep understanding of the law with a calming and reassuring presence during times of crisis.

His ability to manage even the most complex cases while ensuring his clients feel fully supported is often highlighted by both industry peers and clients. Mark’s approach is grounded in strategic planning and a commitment to identifying the best solutions for his clients—whether through careful negotiation or, when necessary, bold litigation. This approach has made him a trusted adviser to families across multiple jurisdictions, particularly in matters involving wealth protection, governance, and safeguarding.

Ranked in Chambers 2025 and Legal 500 2025, Mark is described as “a reassuring presence and on top of the detail.” Clients praise his ability to “take them by the hand and walk them through the process step by step.” His client-centric approach has also earned him recognition in Spears 500 2024 as a Recommended Family Lawyer.

Mark’s expertise spans contentious matters across multiple sectors, including art, commercial, and employment law. His family law practice involves substantial financial remedy cases, often involving offshore trust assets and complex financial structures. He also handles relocation cases, Schedule 1 children cases, pre-nuptial agreements, and matters involving allegations of alienation and abuse.

Originally from South Africa, Mark is qualified in both South African and England & Wales law and has also practiced in Singapore. With many of his clients based abroad, Mark’s international insight is invaluable, enabling him to offer comprehensive advice across multiple jurisdictions.

Mark is a trusted adviser to clients across the globe, known for his exceptional ability to navigate complex legal challenges while keeping his clients’ best interests at the heart of every matter. He regularly instructs top chambers, ensuring his clients receive the highest quality representation possible.

Outside of his legal practice, Mark has a keen interest in sailing, photography, travel, and wildlife. He especially enjoys watching the Springboks playing at Twickenham, especially when they are victorious.

Chambers 2025 – Ranked Family/Matrimonial Financial: High Net Worth

 “Mark has a good profile among high net worth international families.”

 “Mark is a very reassuring presence and on top of the detail.”

 “Mark is strategic but also very much on the side of the client; they’ll feel exceptionally supported.”

Legal500 2025 – Recommended lawyer

“Mark Stiebel’s approach is very professional, but with a calming effect. This is very important in times of stress and confusion when you need someone to take you by the hand and walk you through this process step by step.” (2024)

Spears500 2024: Recommended Family Lawyers

“Mark Stiebel has extensive knowledge of complex financial cases, particularly where offshore and onshore trusts are involved. With decades of private client experience, the partner has dual qualifications to practise in both South Africa and England and Wales.

Stiebel is a strong proponent of applying out-of-court alternatives in cases, and only uses litigation as a last resort. He views mediation as a powerful method of resolution where appropriate.

He also has practices in trust and private client litigation, commercial litigation and art law, which he is immensely proud of.”