Sascha Husa's research is focused on numerical relativity, black holes, and gravitational wave phenomenology, in particular the modeling of sources of gravitational waves with high- performance computing. He is currently an associate professor (Profesor Contratado Doctor) at the University of the Balearic Islands in Palma de Mallorca, Spain, where he joined as assistant professor in 2008. Husa is currently co-PI of the UIB group's gravitational wave effort through Spanish national project FPA2016-76821-P. Husa is also an associate of the International Centre for Theoretical Sciences (ICTS) in Bangalore since 2014.

Husa received his PhD from the University of Vienna (Austria) in 1998, and his habilitation in theoretical physics from the University of Jena (Germany) in 2006. He has worked as a postdoctoral research associate at the University of Vienna (1998), University of Pittsburgh (1998-2000), Max-Planck Institute for Gravitational Physics (2000-2005 and 2007-2008 as a fellow of the European Gravitational Observatory) and the University of Jena (2005-2007). 

Husa's contributions to numerical relativity range from its mathematical foundations to binary black hole physics and the interface to gravitational wave data analysis. He has co-authored more than 200 scientific publications, with more than 3500 citations and an h-index above 80.

The main focus of his recent work has been the program of ''phenomenological waveform modelling'', which was started in 2006 as a collaboration involving the Max Planck Institute for Gravitational Physics in Germany, the University of Jena and the University of the Balearic Islands. This work aims to model thev gravitational wave signals from merging compact binaries, in particular of systems formed from black holes. The resulting waveform models have become a standard tool in gravitational wave data analysis, and have been used to identify the sources of the gravitational wave events detected to date.

Husa is a member of the LIGO Scientific Collaboration since 2007 and a LIGO Council member since 2015, and currently acts as a reviewer of the coherent wave burst search code. Research visits include the Albert Einstein Institute Potsdam, KITP Santa Barbara, Cardiff University, and ICTS Bangalore. Husa has been a member of competitively funded research projects in Austria, Germany, U.S.A, Spain, and the European Union, and a co-PI of an integrated action (acción integrada) between Germany and Spain, and of a project within the German Research Network SFB/TR7 ''Gravitational Wave Astronomy''.

Since 2006 Husa has given several invited talks at international conferences and summer schools, and he has co-organized a number of meetings in the field, most recently the meeting of the LIGO-Virgo waveforms working group, and the Iberian Gravitational Waves Meeting, both in Mallorca in 2018.