Ndganga sits as arbitrator in institutional and ad hoc arbitrations. She specialises in disputes at the intersection of public international law and private international law, such as those involving private investors and states or state entities, and commercial disputes between private parties. Ndanga works in a variety of sectors and industries and has considerable expertise in matters related to Africa. Bolstered by her background in economics, Ndanga is proficient in issues related to compensation, damages, costs, and interest.