Arjun O. N.currently serves as a Physical Education Lecturer at the Department of Physical Education at the Amritapuri campus of Amrita Vishwa Vidyapeetham. He has completed M. P. Ed. (Master of Physical Education) and has pursued Master of Philosophy (M. Phil.) in Physical Education and has qualified National Eligibility Test (NET).
He has represented Kannur University Volleyball team in the South Zone Inter University Championships in three consecutive years 2008-09, 2009-10, 2010-11 as Team Captain.
He specializes in Volleyball coaching and has 1 year experience as a Physical Education Lecturer.