Rankin was appointed to his current position in 2023. ADCB Asset Management Limited was established in 2018 and is a wholly-owned subsidiary of Abu Dhabi Commercial Bank. The company had $2 billion in assets under management as of 2024. In the same year, the company launched its brand-new U.A.E. fund range in partnership with JPMorgan Asset Management. He is also the chief investment officer for ADCB. Rankin was previously the global head of advisory services and head of the investments & products group, EMEA, for HSBC Global Private Banking in London.