Josephine Oluseyi Williams (born 3 April 1956) is a Nigerian financial expert, Public administrator and former Lagos State Head of Service.
[3] She attended the University of Lagos where she received a bachelor's degree in accounting and a post graduate diploma in computer science.
[5] After she spent five years at the Federal Housing Authority, she joined the Lagos State Civil Service as Chief Accountant before she got a transfer to the Lagos State Ministry of Physical Planning and Urban as Director of Accounts.
[7] In February 2006, she was appointed as Permanent Secretary, Lagos State Ministry of Finance, a position she held until her appointment as Head of Service in October 2013 to succeed Adesegun Olusola Ogunlewe.
[8] She retired in February 2015 at the age of 60 years after 34 years of service[9] and was succeeded by Folashade Sherifat Jaji, whose appointment was confirmed on February 17, 2015, by the State Governor, Babatunde Fashola.