AAVSO Council

Joyce A. Guzik

(Council member 2015-2022)

Astronomy, Ph.D.

Scientist, Los Alamos National Laboratory

"I have been involved in the NASA Kepler spacecraft Guest Observer program, using Kepler's photometric data to discover and study variable stars. I have also worked on stellar evolution and pulsation modelling of the Sun and many types of variables."

Kristine M. Larsen

(Council member 1997-2001; 1st Vice President 2013-2015; President 2015-2019; Secretary to present)

Astronomy, Ph.D.

Professor of Astronomy and Faculty Coordinator, Copernican Planetarium Geological Sciences Dept., Central Connecticut State University

Katrien Kolenberg (Council member: 2016-2018)

Astronomy, Ph.D.

Professor of Astrophysics University of Antwerp, Belgium; Associate Researcher University of Leuven, Belgium & Harvard-Smithsonian Center for Astrophysics, USA

Gary Walker

(Council member 1993-2001; Secretary 2005-2018, 2018-2019)

Mechanical and Aeronautical Engineering, B.S., M.Sc.
Northop-Grumman (retired); Maria Mitchell Association

1st Vice President 2015–2016

Roger S. Kolman

Physics, Ph.D.

Argonne National Laboratory (retired); Adjunct Lecturer, Harper College in Palatine, Illinois; ACT tutor at the Huntington Learning Center in Glen Ellyn, Illinois.

Stella Kafka

(AAVSO CEO 2015-2021)

Astronomy, Ph.D.

"I am thrilled to be part of an active community of professional and non-professional astronomers trying to understand the most exciting (sometimes unpredictable) objects in the night sky!"

Biography - letter from the president

Aaron Price 2015-2017

Learning Sciences, Ph.D.

Manager of Evaluation and Research, Museum of Science and Industry, Chicago

Honorary Council Member

Arne A. Henden

Former AAVSO Director (2005-2015)

Doug Welch 2013-2015

Astronomy, Ph.D.

Professor, Physics and Astronomy, McMaster University