Activist Okiya Omtatah is seeking to quash the appointments to Boards of State Corporations made on February 4 and 8, 2019 by the Executive.
He argues that they have not been done on merit as had been directed by the court.
A week ago, the employment court ordered that all state appointment should be done on merit.
In the latest appointments, Sports legend Paul Tergat was appointed chairperson Kenya Academy of Sports Council.
Former Laikipia Governor Joshua Irungu was appointed the chairperson of the Water Services Resource Board for the next three years.
Former Mwingi Central MP Joe Mutambu, a critic of Wiper leader Kalonzo Musyoka, will chair the Water Resource Authority.
ODM treasurer Olga Karani has been appointed the chairperson of the Council of Kenya Cultural Centre.
All the appointments in a Gazette notice are said to be effected between February 7 and 8.