Edumania-An International Multidisciplinary Journal @2024 International Council for Education Research and Training 2024, Vol. 02, Issue 03, 150-158 ISSN: 2960-0006 DOI: https: https://doi.org/10.59231/edumania/9063 Oredein, A.O., & Obadimeji, C.C. 150 Professional Development and Leadership OREDEIN, Afolakemi O. 1 and OBADIMEJI, Chinenye C. 2 1,2 Lead City University, Ibadan, Oyo State, Nigeria Abstract Teachers' professional development and leadership is a career that focuses on the growth of teachers' knowledge and skills, among other things. As a result, teachers are more knowledgeable, keep them up to date, and help teachers develop. Teachers are also required to learn and relearn. The government should raise public awareness about teacher professional development. Keywords: Teachers, professional development, Leadership, Teacher’s participation Introduction The only constant factor in this era is change. Change is inevitable in our society. The societal yearnings for change and development that every individual and sector need to seek. Development in the educational sector implies positive change among the educational stakeholders such as the school administrators, leadership, teachers, methodology, professional development, learners’ improvement, and maturity among others. A teacher is a professional who impacts knowledge to the learners. This paper shall be discussed under the following subheadings: i. Professional Teachers ii. Professional Development iii. Teacher engagement iv. Teachers Participation v. Learners Engagement vi. Learners Progress on a Specific Subjects vii. Leadership viii. Learners' Satisfaction ix. Innovation x. Teachers Social Responsibility xi. Behavioral Leadership Theory