Calystus graduated with a Bachelor of Laws (LL.B) degree in 2014 from the University of Nairobi. He holds a diploma in Law from the Kenya School of Law.

He was admitted as an advocate of the High Court of Kenya in 2016. He is a Certified Public Accountant of Kenya Finalist. He is a Certified Secretary (Section 4).

Calystus undertook his pupillage with m/s B.M Musau & Company Advocates and worked with the firm as a legal assistant. He also interned at the Capital Markets Authority and worked at Centum Investment Company Limited (now Centum Investment plc) as an advocate prior to joining the firm of Wekesa & Simiyu Advocates.

Calystus is an alumni of Starehe Boys Centre & School. Calystus with his multidisciplinary training in law and accounting as a Certified Public Accountant of Kenya offers wholistic practical solutions to our commercial clientele.