Osama Mohammed Al-Kalthami has been the chief audit officer of the Diriyah Gate Development Authority (DGDA) since April 2020. Al-Kalthami’s experiences have helped him establish internal audit functions in five of the Kingdom’s top banks, listed companies and gigaprojects under the umbrella of Saudi Vision 2030. In addition to the DGDA, he has worked for such names as Bank Albilad, the Saudi Chemical Group, the Saudi Arabian Cooperative Insurance Co. (SAICO), and the Arabia Insurance Cooperative Co. Prior to joining the DGDA, he served as the assistant general manager of the Saudi Chemical Group. Before that, he served as the group’s director of internal auditing, and prior to that, the secretary of the board auditing committee. Between 2012 and 2015, Al-Kalthami served as the head of the internal audit department at SAICO. Al-Kalthami has also previously served as a retail banking audit manager in the internal audit division at Bank Albilad, a senior auditor and team leader in the internal audit division of the Arab National Bank (ANB), a credit assistant in credit administration and risk management at ANB, and a customer services representative at Riyad Bank. Al-Kalthami holds a bachelor’s degree in business administration from King Abdul Aziz University. He also graduated from a business school program studying banking and business English in the UK. Additionally, Al-Kalthami has attended over 100 training programs around the world, obtaining 40 internal audit certificates from such institutes as the Internal Audit Institute in the US, Moody’s Corporation, KPMG, and PriceWaterhouseCoopers.