- Diploma (equivalent to School Living Certificate) from High School with an emphasis on sciences on 1981
- Degree in Geological Sciences (equivalent to Master Sc. First Class Honours Degree) with full marks 110 cum laude/110, University of Florence on 1987
- PhD Degree, Department of Earth Science, Univ. Florence, Committee on Mineralogy and Petrology on 1992.
- Permanent researcher at CNR Istituto di Geoscienze e Georisorse since 1995.
- Petrology of magmatic rocks in active volcanic arcs (Aeolian Arc, Aegean Arc and Tran-Mexican volcanic belt)
- Microscopy and microanalysis technical approaches with electron, proton and X-ray sources to magmatic and metamorphic minerals for P-T genetic reconstructions.
- Applied Petrography to Cultural Heritage and to “Natural Stone” of the Mediterranean Area.
- In charge of the “Electron Microprobe Laboratory” of CNR-IGG U.O. of Firenze since 1992 up to 2005.
- In charge of the “ICP-OES Laboratory” of CNR-IGG U.O. of Torino since 2005.
- In charge of Micro-XRF Laboratory of Centro Scansetti – University of Turin since 2009.
- Guest editor of Microchimica Acta Vol 155 (2006), of Periodico di Mineralogia Vol LXXV (2006), of Microscopy and Microanalysis Vol 12(04 - pag. 317 -2006).
- Member of the Scientific Committee for Italian Exhibitions on Ancient Egyptians.
- Co-supervisor of students in Geological Sciences of Florence University, in Chemistry and in Science and Technology for Cultural Heritage of Turin University.
- Teacher in Doctoral School of Sciences and Innovative technologies from 2009.
- Co-tutor of PhD students in Doctoral School of Sciences and Innovative Technologies of Turin University from 2009.
- Vaggelli G., Pellegrini M., Vougioukalakis G., Innocenti S. and Francalanci L. (2009): Highly Sr radiogenic tholeiitic magmas in the latest inter-Plinian acitivity of Santorini volcano, Greece. Journal of Geophisical Research-solid earth, 114 doi:10.1029/2008JB005936.
- Serra M., Borghi A., D’Amicone E., L. Fiora, Mashali O., Vigna L. and Vaggelli G (2010): Black and red granites in the Egyptian antiquity museum of Turin, a minero-petrographic and provenance study, Archaeometry VOL 52 (6), 962-986. DOI: 10.1111/j.1475-4754.2010.00535.x.
- Vaggelli G. and Cossio R: (2012) µ-XRF analysis of glasses: a non-destructive utility for Cultural Heritage Applications. Analyst, 137, 662-667.
- Vaggelli G., Lovera V., Cossio R., Mirti P. (2013). Islamic glass weights from Egypt a systematic study by non-destructive μ-XRF technique. Journal of non-crystalline solids, 363, 96-102. DOI: 10.1016/j.jnoncrysol.2012.12.003.
- Giacometti F., Evans K. A., Cliff J., Rebay G., Tomkins A.G., Rossetti P., Vaggelli. G., Adams D. (2014). Sulfur isotope evolution in sulfide ores from Western Alps: assessing the influence of subduction-related metemorphism. Geochemistry, Geophysics and Geosystem, DOI: 10.1002/2014GC005459.