Dr. Gallagher is a solar physicist at Trinity College Dublin. His reseach is primarly concerned with understanding solar storms and their impacts on Earth. He has a long association with ESA and NASA and leads the Irish LOFAR radio telescope project.
Before joining Trinity, Dr. Gallagher was a Postdoctoral Research Fellow at Big Bear Solar Observatory in California and then as a Scientist and Senior Scientist at NASA Goddard Space Flight Center. In 2006 he founded the TCD Solar Physics Group, which currently includes 6 PhD students and 4 Postdoctoral Fellows.
Dr. Gallagher is a Member of the Institute of Physics (MInstP), a Fellow of the Royal Astronomical Society (FRAS), a Member of the American Astronomical Society and Vice-Chair of the Royal Irish Academy's Astronomy and Space Research Committee.