|Height||5 ft 10 in (1.78 m)|
|Weight||172 lb (78 kg)|
|Current tour||European Tour|
|Professional wins||2 (European Tour: 1, Challenge Tour: 1)|
Monasterio was born in Tucumán. He turned professional in 1990. Since 2003 he has played extensively in Europe on the European Tour and the Challenge Tour, winning the 2005 Abierto Telefonica Moviles de Guatemala, which is a Challenge Tour event, and the 2006 Aa St Omer Open, which is an official money event on both tours.