Idowu was born and raised in Osun State, Nigeria. She obtained her Bachelor of Laws (LL.B) from Obafemi Awolowo, in 1993 and was called to the Nigerian Bar in 1995. Idowu worked as in-house counsel and corporate trainer, for the Government of Botswana, from 1997 through 2006. In 2007 she obtained her Master of Laws (LL.M) from the University of the Pacific, McGeroge School of Law, Sacramento, California, U.S.A. Idowu immigrated to Canada in 2012 and completed her Canadian law accreditation and was called to the Saskatchewan Bar in September 2014.

Idowu is a member of the Law Society of Saskatchewan and a member of the Canadian Bar Association.

Idowu F. Adetogun general practice includes corporate and commercial lawfamily law, real estate together with will and estates.