Ms. Okiro is an Advocate of the High Court of Kenya having been admitted to the Bar in 2014. She holds an MA in International Studies at the University of Nairobi. She is the youngest accredited mediator of the Judiciary of Kenya and has successfully handled mediation in the Family and Commercial Divisions of the High Court. She also handles mediations for FIDA-Kenya. She was accredited as the youngest Mediator in Kenya by the Chartered Institute of Arbitrators (UK). She is an African Ambassador for the Alliance in Dispute Resolution, an organization which strives to ensure diversity and inclusion in alternative dispute resolution.

Mercy sits on the Global Steering Committee of the Young Members Group of the Chartered Institute of Arbitrators, London and has sat on the Branch Committee of the Chartered Institute of Arbitrators, Kenya since 2015. She is the current Chairperson of the Young Members Group of the Chartered Institute of Arbitrators, Kenya. She has been involved in planning various conferences and workshops in Alternative Dispute Resolution regionally and globally.  She has presented papers in conferences and has published articles in alternative dispute resolution, access to justice, sports law and women’s rights.

Her main areas of legal practice are international dispute resolution, arbitration, mediation, legal aid, women’s rights, sports law and legal research.  She is an active member of various professional bodies and has held various leadership positions where she has always pushed for gender equality and youth representation.