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ISDR Directors 

Jon Graham
Founding Director

Jon is a nationally accredited mediator, a registered Family Dispute Resolution Practitioner (FDR) and is a clinical supervisor of family mediation practice.  His practice focuses on the fields of family law mediation, and particularly the areas of high conflict, family violence, and other complexities. Jon is a highly respected teacher of mediation practice, both in Australia and internationally.  Since 2014 Jon has formed a collaborative partnership with Dr Lorri Yasenik in Calgary Alberta. Focusing on how children’s voices are heard particularly in extreme conflict separations.

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Jon Graham

Founder and Director

0405 459535

+61 405 459535

Jon is based in Sydney Australia and provides dispute resolution and coaching services from the office in Sydney Australia.  Jon travels to Canada for up to 4 months each year and provides online support to practitioners and families across Australia and Internationally.


BA (Psy) Macquarie


Cert IV Workplace Training and Assessment

Lorri Yasenik PhD

Lorri Yasenik is the Co-Director of Rocky Mountain Play Therapy Institute in Calgary, Alberta Canada. Lorri is a Certified Supervisor of Child Psychotherapy and Play Therapy and delivers certified training programs nationally and internationally in the area of child therapy and child inclusive practice. Lorri is a Registered Family Mediator, and Registered Parenting Coordinator-Arbitrator. Her areas of expertise are in the fields of separation and divorce, child centred mediation/parenting coordination, treatment of trauma, family violence, adjustment,  and the spectrum of children’ s mental health problems. 

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Lorri Yasenik


+1 (403) 651 5666

Lorri is based in Calgary Alberta and visits Australia for around 4 months a year.  Lorri is available for online appointments supported by face to face appointments when she is in Australia.



Registered Social Worker (CA)

Registered Family Mediator (CA) 

Level 4 Australian Counselling Association

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