• PhD 2003 (University of Alberta)
• MSc 1997 (University of Maryland - College Park)
• BSc 1993 (Universidad Central de Venezuela)

Geochemistry of highly siderophile elements (Ru, Rh, Pd, Re, Os, Ir, Pt, Au) in magmatic systems.
Genesis of orthomagmatic and hydrothermal ore deposits.
Behavior of sulfur in magmatic systems.

• High gold concentrations in sulphide-bearing magma under oxidizing conditions
• Sulfur K-edge XANES analysis of natural and synthetic basaltic glasses: Implications for S speciation and S content as function of oxygen fugacity
• Imaging Element-Distribution Patterns in Minerals by Laser Ablation-Inductively Coupled Plasma-Mass Spectrometry (LA-ICP-MS)
• Sulfur content at sulfide saturation in oxidized magmas
• The origin of S4+ detected in silicate glasses by XANES