He was born on July 30, 1945, in the Province of Pisco, Department of Ica, son of the lawyer and Aprista leader, Carlos Gonzales Posada and Zully Eyzaguirre.
His sister was Consuelo Gonzales Posada, wife of General Juan Velasco Alvarado and first lady of Peru.
His wife Marilú carries out important social work through the Mundo Libre Institute, whose presidency he holds, rehabilitating hundreds of street children from drug use.
He made an outstanding work defending the Peruvian position in the conflict with Ecuador, publishing a historical-legal opinion on that subject.
The project promoted by Gonzáles Posada (Law 27550) allowed the reincorporation of the members of the Diplomatic Service of Peru separated by the 1992 State Autogolpe.
Likewise, he promoted a collection to move the affected departments hundreds of tons of food, clothing and water.
He introduced sign language on the Congress Channel, an electric ramp for the discharge of the handicapped and managed the construction of the first educational center for 300 deaf children who bears the name of "Ludwig van Beethoven".
In the exercise of the position, he managed to arrange with all the benches to support the demand on maritime limits of Peru against Chile in the International Court of Justice, experience that he narrates in his book "The Hague, Historical Decision" In the period 2008-2009 he was a member of the Foreign Affairs Commissions and the Foreign Trade and Tourism.
According to the official report of the General Parliamentary Management, in the period 2006-2011 he held the first place among the 120 legislators as the author of projects that became legal norms.