Prof. Dr. Katia Lucchesi Cavalca is a full professor (MS6) at the University of Campinas in Brazil. She has been a member of the IFToMM Technical Committee for Rotordynamics since 2004 and has been deputy chair of the committee since 2012. In 2014 she was invited to join the National Academy of Engineering. She is currently Chair of the TC Rotordynamics (2018-2019), and Technical Editor for the Mechanism and Machine Theory journal, inTribology and Rotordynamics topics. She has extensive experience in Mechanical Engineering, particularly in the areas of Dynamics and Machinery Design and the following topics: rotor dynamics, lubricated bearings, modeling, and vibration analysis in rotating machinery.
Prof. Dr. Hans Ingo Weber is an emeritus Professor emeritus at the Pontifical Catholic University of Rio de Janeiro in Brazil. He was an Assistant Professor at COPPE/UFRJ from 1968 to 1974, and UNICAMP from 1974 to 1997, becoming a full professor in 1978. He was superintendent ofthe Technology Center of UNICAMP from 1990 to 1996. In 2008 he was invited to join the National Academy of Engineering, and was elected Secretary General on the Board of Directors in 2010. He has considerable experience in Mechanical Engineering, particularly in the Dynamics of Rigid, Elastic and Plastic Bodies and the following topics: rotation dynamics, nonlinear dynamics, drillstrings, chaos, impact and biomechanics.