Our People


Wisam Assi - Principal

Wisam is the Principal of Optimum Lawyers and has international legal experience. He graduated with honors Law Degree from Staffordshire University in the United Kingdom in 1998 and then was admitted as a Lawyer in Israel and later in NSW.

Wisam has extensive experience in complex Real Estate Conveyancing both residential and commercial including sales and purchase of off the plan properties, Subdivisions, drafting of Retail and Commercial leases and drafting complex Put & Call Options Agreements, Mortgages acting on behalf of both Mortgagors and Mortgagees.

Wisam embraces a broad experience in General Commercial Transactions including Joint Ventures, Buy & Sell of Shares and in the drafting of contracts for sale of businesses, acting for both vendors and purchasers, Commercial Documentation including Joint Ventures Agreements, Share Holders Agreements, Licensing & Maintenance Agreements, Services Agreements & Commission Agreements.
He is adept in dealing with civil claims matters, and appears in Courts. He drafts pleadings and evidence in civil litigation matters.

He also has an outstanding knowledge of the Family Act, Family Provisions Act and the Property Relationships Act. Wisam drafts Wills, Powers of Attorney and Enduring Guardianship.
Wisam speaks fluent Arabic and Hebrew. He acted as a volunteer legal advisor as well as being a crisis volunteer worker in Wellington, New Zealand, and has played representative basketball as a professional player.


  • LLB Hons Law Degree, Staffordshire University (UK)
  • Graduate Diploma in Legal Practice, College of Law (NSW)
  • Admitted as a Solicitor of the Supreme Court of New South Wales
  • Admitted as a Solicitor of the High Court of Australia
  • Solicitor member of the Law Society of New South Wales
  • Admitted as a Lawyer of the Israel Bar Association

Contact us for more information or to arrange an appointment.

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Nisrin Assi - Practise Manager & Senior Paralegal.



Nisrin holds the position of the firm’s Practice Manager as well as a position of a Senior Paralegal. In these roles Nisrin works closely with the Principal and our clients and assists our team on the development and management of the firm’s legal, administrative operations and procedures. She ensures the optimum day to day running of our firm.


Prior to joining Optimum Lawyers Nisrin worked as a Senior Case Manager at one of Australia's leading insurance companies. Nisrin holds a Bachelor of Science (B.Sc.) focused in Psychology from Victoria University of Wellington.


Nisrin fluently speaks and writes Arabic.

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Irene Li - Conveyancing Assistant.



Irene is our conveyancing and administration assistant.


Irene has extensive experience in conveyancing, administration and utilises these skills to enhance client services and provide exceptional client outcomes at Optimum Lawyers.


Irene holds a Bachelor of Business – Professional Accounting from Griffith University (QLD) and holds a Master of Operational Management from the University of Western Sydney.


Irene speaks fluent Mandarin.