Who is preside the biak na bato constitution?

The Biak-na-Bato Constitution was presided over by Emilio Aguinaldo, who was a key leader in the Philippine Revolution against Spanish colonial rule. The constitution was adopted in 1897 during the revolutionary government established at Biak-na-Bato in Bulacan. It aimed to establish a republican form of government and laid down the framework for the future governance of the Philippines. However, it was short-lived due to ongoing conflicts with the Spanish authorities.