Sonia Malefaki is an Assistant Professor at the Department of Mechanical Engineering & Aeronautics of the University of Patras. Her research interests are mainly in computational statistics, simulation methods, Monte Carlo and Markov chain Monte Carlo methods. She works also on Bayesian Statistics, Markov and semi Markov processes, hidden Markov/semi Markov models, reliability and maintenance. She is the author of 36 papers in international journals and edited volumes and more than 15 papers in international conference proceedings with referees. In the literature, there exist 698 citations (google scholar) of her research work, while he has served as a referee for 16 international scientific journals. She has served as Guest Editor on the special issue on Reliability and Stochastic Processes of the Journal of Reliability and Statistical Studies JRSS.