IMI and ISM University Certified Training 

Oksana Ratushnaya

Mediator, Lawyer and Supervisor of family mediators.


For over 20 years, she has advised business owners on partnerships, negotiation preparation and conflict management.

As a family mediator, she specialises in divorce mediation: break-ups in the family and in family businesses.


  • Graduated in Law, Specialist Degree, Dnipropetrovsk National University (2001)
  • Acted in international commercial arbitration (Kiev, Ukraine) on disputes with partners from Italy, Latvia, Russia, Belarus, Germany and the United Kingdom.
  • For 13 years she headed the legal department of a business corporation, advised senior executives on legal issues of partnership organisation and supported businesses in bankruptcy and insolvency proceedings.
  • Has been practicing as a family mediator in divorces for 6 years and continues to practice as a mediator for businesses, including family businesses. Specialisation: 50/50 business partnerships, negotiation preparation and conflict counselling for one of the conflict parties.
  • Supervisor of family mediators (Dagmar Lagler, Germany, 2019).
  • Member of the Association of Ukrainian Family Mediators (2019-2021)
  • Trainer at the High School of Advocacy of Ukraine on mediation skills (from 2021)
  • Speaker at business consultancy forums organised by the Ukrainian Chamber of Commerce and Industry.
  • D1 (Ukraine) is an expert on family conflicts.
  • Author of articles for Private Entrepreneur (Ukraine).

Featured IM Campus contributors

As an established member of the Chambers of Ronny Wong S. C., Vod K. S. Chan is a barrister, international arbitrator and mediator practising in the Hong Kong Special Administrative Region (HK).
Miglė is a lawyer and an active state-certified mediator. She is also a scientific expert on mediation, having concentrated on comparative aspects of laws on mediation in many European jurisdictions during her PhD research and her work with the CEPEJ Working Group on Mediation.
Dr Adeyemi Agbelusi is Principal Partner, Berean Associates involved in resolving disputes throughout Nigeria and other Jurisdictions.
Constantin-Adi Gavrilă received his constitutional law PhD from the University of Craiova with emphasis on “Mediation and Access to Justice” and is a well-known Romanian mediator with 20 years of experience in the field of dispute resolution.
She founded Consensus Group a German well known service provider for mediation in 2014 and in line with that later the International Campus. Her expertise and at the same time passion lies in conflict resolution, intercultural communication and curriculum development.