Madeline is the Founder of iResolve Limited, a boutique corporate, arbitration and dispute resolution firm coupled with offering of alternative legal support services. She is a practicing commercial and corporate lawyer and has acted as counsel, party-appointed arbitrator, commercial mediator and arbitral secretary in both domestic & international arbitrations.She is the current President of Tanzania Institute of Arbitrators (TIArb) and Chairperson of the Africa-Asia Mediation Association (AAMA). She serves as a member of the ICC International Court of Arbitration for Tanzania, the ICC Africa Commission, the ICC Commission on Arbitration & ADR; a newly appointed member of the IBA Africa Arbitration Network, a member of the Pledge Africa Sub- Committee, a member of the Caspian Arbitration Society and also a faculty member of the Bangladesh International Mediation Society, and is a Regional Director of the Centre for International Alternative Dispute Resolution (CIADr). Madeline is also a Fellow of the World Mediation Organization and Representative of ADR Point for Tanzania.

As an independent neutral, she currently serves on the panels of SHIAC, Caspian Arbitration Society, Tanzania Institute of Arbitrators (TIArb) and the National Construction Council (NCC). She also takes on the role of an arbitral secretary in complex arbitrations and legal transcriber.She has worn various hats and has served as member of the editorial board of the Tanganyika Law Reports and was a member on the Governing Council of the Tanganyika Law Society 2017-18.As an ADR and ODR enthusiast dedicated to international and social activities. She has presented in ADR-related conferences both locally and internationally and is an experienced trainer in arbitration,
ADR and ODR for tailored programs to private and public organizations; public seminars and. She writes and publishes in the area of dispute resolution.
In 2019 she was awarded the Top 50 Women in Management Award in Tanzania and was a finalist for the Innovation in Arbitration, Africa Arbitration Awards (EAIAC). Recently, Ms. Kimei was awarded Top 50 Most Promising Young Arbitration Practitioner’s Award 2020.Madeline is a renowned Africa -based legal industry futurist adopting tech- legal solutions such as iResolve™, an ODR system launched in 2015 aimed at realizing her ambition to provide innovative delivery of legal solutions. She describes the next generation as “smart dispute resolvers” and offers tailored trainings under the ILI Washington on ODR, online mediation and virtual arbitration practical courses to various institutions.