Professor of Physics, University of Hawaii

Professor of Astronomy, UC Berkeley

INAF - Osservatorio Astronomico di Capodimonte

EPFL

Professor, Lamborn Endowed Chair in Astrophysics at Florida Atlantic University

Yale University, Physics Department

Research Professor of Planetary Science, University of Arizona

Associate Professor of Physics, Angelo State University

American Association of Variable Star Observers

Newcastle University, School of Mathematics, Statistics and Physics, Newcastle upon Tyne …