Ph.D. in Molecular and Cellular Biology (University of Georgia, USA,1988). Started in amateur astronomy after retiring as a university professor in 2016.
Doing B-V-Rc-Ic color-transformed photometry since early 2023 (UID SAMA).
Observatory at 19°57’ S / 44°15’ W, 780 m: 203-mm f/10 SCT. B-V-Rc J-C filters. An assiduous user of the AAVSOnet telescopes.
Affiliated with the AAVSO and the BAA (UK).