Balasankar Narayanan, 44, was last seen on January 13 at approximately 10.20am in Green Lane.
Officers at the Metropolitan Police investigating his disappearance have launched an appeal to the public to help locate the missing man.
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READ MORE:The 44-year-old has a shaved head, and was wearing a grey sweater, grey trousers and a black jacket when he was last seen.
Police believe he could be sighted in east London, Central and west London.
Anyone who sees Balasankar should call 999 for an immediate sighting or call 101, quoting CAD 2155/13Jan.