For over 30 years, Jinaro has handled matters involving securities advisory, corporate restructuring, banking and insurance law advisory for local and international corporates, private equity and investment advisory, public-private partnerships and other financial services to a wide range of clients in the private and public sector.

Due to his significant advisory experience and cutting-edge solutions to the legal needs of a diverse clientele, Jinaro has often been internationally recognized in his work. In the 2019 and 2020 editions of The Legal 500 EMEA he was ranked as a Recommended Lawyer in Commercial, Corporate and M&A, as well as Real Estate and Construction practice. As a mark of his versatility and depth of experience, he has also previously won the International Law Office (ILO) Client Choice Awards for Kenya in the category of Litigation.

He has been instrumental in assisting sports organizations in and outside Kenya in drafting and amending their governance instruments, including Athletics Kenya, Lawn Tennis Kenya, and the Confederation of African Athletics and other Athletics Federations in Africa. He is currently an elected Vice President of Athletics Kenya having been so elected in 2014. In 2020, he was appointed as a Member of the Governance Commission. He is also a Member of the National Review Panel of World Athletics as well as a Member of the World Athletics Human Rights Working Group.