**About the Editors**

**Julia Kuligowski**, Ph.D., is a postdoctoral researcher at the Health Research Institute La Fe, in Valencia, Spain, where her main research focus is on clinical metabolomics and advanced data analysis tools. She studied biotechnological processes at the University of Applied Sciences Wiener Neustadt, Tulln (Austria) and was trained as an analytical chemist at the Vienna University of Technology (Austria) and the University of Valencia (Spain) where she earned her Ph.D. in 2011. As part of the Neonatal Research Unit, her research focused on the quantification of metabolites and biomarkers in biological samples obtained from clinical trials and animal models employing mass spectrometry-based techniques and vibrational spectroscopy. At present, she continues her research activities in the field of neonatology, focusing on the discovery of molecular biomarkers for an early, minimally invasive assessment of brain injury secondary to hypoxic-ischemic encephalopathy and the impact of nutrition on growth and development of preterm infants.

**Guillermo Quintas**, Ph.D., is a researcher at the LEITAT Technological Center (Barcelona, Spain). After completing his Ph.D. at the University of Valencia (Spain) in 2004, he obtained a post-doctoral fellowship at the Public Health Laboratory Valencia (Spain), the Vienna University of Technology (Austria), and the University of Valencia, where his research focused on hyphenated systems and infrared spectroscopy. In 2009, he made the transition to a position as senior researcher in Advancell (Barcelona, Spain) and at the Analytical Unit of the Health Research Institute La Fe (Valencia), where his activities were focused on providing tailored analytical solutions for clinical and pre-clinical research studies aiming at biomarker discovery and validation and drug development. In 2011, he moved to the Health and Biomedicine division of LEITAT. Currently, his main research is directed toward the joint analysis of information from multiple platforms and clinical data, developing novel chemometric approaches.
