Sivanas received his LL.B. from Thammasat University in 2001, his first LL.M. from the University of Sheffield, England in 2002 and his second LL.M. from Tulane University, New Orleans in 2003. His course works included EU Law, Intellectual Property Law, and Entertainment Law.

After completing his international studies, Sivanas gained valuable experience working with a well - reputed US. entertainment companies. Firstly, he worked as a law clerk at Intellectual Property Worldwide (IPWW) in Los Angeles. IPWW is a lawyers-owned company that represents more than 200 entertainment properties and produces movies through its own production department. Secondly, Sivanas joined the legal team at ESI Network, a leading talent management company in Los Angeles.

After years of international studies and private corporate experience, Sivanas has joined N&D in the beginning of April 2004 and will focus his efforts as intellectual Property laws.