Mark Shumsky

NMAS Mediator

Mark Shumsky is a NMAS Mediator located in Hornsby, New South Wales.

More about Mark Shumsky


Mark is a senior associate at Stacks Law Firm and an accredited NMAS Mediator. Mark’s areas of professional practice include Commercial and Administrative Law, Defamation and Negligence, Employment Law, Property Law and Compulsory Acquisitions, Family Law and Family Provision, Wills and Estates Human Rights, Migration, Discrimination and Equal Opportunity.

Mark provides effective and efficient professional mediation and dispute resolution services in a broad range of areas. Mark is a legal practitioner with expertise in community relations and alternative dispute resolution processes, and has experience in many areas of the law. Mark provides online mediation services in all areas and is based in Sydney’s North shore.

Mark Shumsky

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Contact and Location

Phone Number:

(02) 9476 2788


Hornsby, New South Wales 

Service Areas:

Located in Sydney’s north shore with online mediation services to all areas.

Languages Other Than English:



  • Nationally accredited Mediator
  • Member of Law Society of NSW
  • Member of Environment and Planning Law Association NSW
  • Member of Migration Institute of Australia
  • Member of Family Law Section of the Law Council of Australia

Socials and Web

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How Brainwashing Works on a Child’s Brain. December 4, 2022. Presented by Bill Eddy. This program will talk about parts of a child’s brain that are easily influenced including the long-term development of the two hemispheres, the amygdala, and the corpus callosum.

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Conflict Management For One

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Conflict Management for One. Another Way to Effect a Change of Thinking. December 7th. Presented by John Cleary. Based on the perceived need for much more initial work with conflicted people.

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Team Members

Mark Shumsky

by Debra D'Souza time to read: 1 min