Ayeni had his secondary education at Baptist Secondary School, Iyah-Gbede in Ijumu, Kogi State between 1981–1985 followed by Kwara State Polytechnic, Ilorin, Kwara State. He obtained the General Certificate of Education (G.C.E.), Advanced Level papers in the year 1987.
In the same 1987, he was admitted to read Law at Ahmadu Bello University, Zaria, Kaduna State. He graduated with honours in 1990 and was called to Bar in 1991.
Thereafter, he underwent and completed the compulsory National Youth Service Corps service with Professor S. A. Adesanya & Co., a firm of Legal Practitioners.
After the National Service in 1991, he worked with Rodco (Nig) Limited as the Legal Adviser from 1991 to 1994 after which he voluntarily left the company to start his own firm of Legal practice in 1994 – Legal Resources Alliance
