Tan Sri Syed Danial Syed Ahmad is a Malaysian civil servant who is currently serving as the Keeper of the Rulers' Seal since 10 January 2011. In his role as Keeper of the Rulers' Seal, he has played an important role during the proclamation and formal oath-taking ceremony of the Yang di-Pertuan Agong.

The Conference of Rulers in Malaysia is a council comprising the nine rulers of the Malay states, and the governors of the other four states. It was officially established by Article 38 of the Constitution of Malaysia, and is the only such institution in the world, according to the Malaysian National Library.