Cristina Gil Lladanosa studied Pharmacy at the University of Barcelona. When she finished her studies and while she was volunteering at Energy Control, she immediately started working for the project at the Drug Checking laboratory. She has been part of the growth of Energy Control’s Drug Checking Service since 2014. During this time she specialized at GC/MS, and she also has expert skills with other analytical techniques. She is a collaborator at IMIM (Institut Municipal d’Investigacions Mèdiques) and she has taken part in several scientific publications, as well as in national and international projects. She has a long experience of field interventions and she has trained a large number of volunteers and professionals to use the different techniques involved in Drug Checking.