- 2024-present Hertz Professor, University of Bonn
- 2023–present Chair of the ESO Science and Technology Committee (STC)
- 2023 Member of the Selection Committee for an RTDA-MUSA position at the University of Milano Bicocca
- 2022 Member of the Physical Sciences and Engineering (PE) Panel for the Irish Research Council Laureate Awards (IRCLA)
- 2021–2023 Member of the ESO STC
- 2021–2023 Chair of ESO ESAC
- 2021–2023 Member of ASAC
- 2021–2022 Vice Chair of the ESO Observing Programmes Committee
- 2020–2022 and 2024: Panel member of the VICI funding scheme for the Science Domain (”ENW”) of the Dutch Research Council (NWO)
- 2019–2021 OPC member (Panel Chair) of the ESO committee
- Chair of the evaluation panel of the ALLEGRO ALMA Center in the Netherlands
- 2019 Member of the French National Research Agency Scientific Evaluation Committee
- 2018 Member of the Selection Committee for an RTDB position at the Normale di Pisa
- 2018–present Member of the IAU Membership committee
- 2016–2017 Member of the ESO-Athena Synergy Team (EAST)
- 2015–2018 Member of the ALMA Telescope Allocation Committee (Chair 2017-2018)
- 2015 Panel Member of the Swedish Research Council
- 2013 and 2015 Member of the HST Telescope Allocation Committee
- 2012–2018 council member and Secretary of the European Astronomical Society
- 2012–2018 Member of the STFC Astronomy Advisory Panel
- 2009–2014 Member of the UK ALMA Oversight Committee (STFC) (Chair 2011–2014)
- 2009–2011 Member of the STFC Gemini TAG (Time Allocation Group)
- 2008, 2011, 2015 Member of the STFC Post-Doctoral and Advanced Fellowship committee
- 2005–2008 Member of the James Clark Maxwell Telescope (JCMT) Time Allocation Group panel
- 2005–2008 Member of the UK Infrared Telescope (UKIRT) TAG service panel
- 2004 Member of the RAS Lockyer Fellowship Scheme Committee
- 2002–2005 Royal Astronomical Society councillor
- 2002 Member of the DiRAC Review panel
- 2002–present Referee for ERC (Marie Curie Actions and ERC Advanced Grant), Referee for ApJ, MNRAS, A&A, Science, Nature, and many European and American grant applications
- Member of the SKA CRadke of Life Working Group
- Member of the AI Work Group Faculty of Science
- Member of the MQAA Astro advisory board
- Member of the Advisory Board for the Max Planck Institute for Radio Astronomy
Selected Publications (ORCID 0000-0001-6941-7638):
- Butterworth, J., Viti, S., et int., Zhou, D., ”Molecular isotopologue measurements toward super star clusters and the relation to their ages in NGC 253 with ALCHEMI”, A&A, 686, A31 (2024) DOI: 10.1051/0004-6361/202348787.
- de Mijolla, D., Holdship, J., Viti, S., Heyl, J., ”Disentangling Multiple Emitting Components in Molecular Observations with Nonnegative Matrix Factorization”, ApJ 961, 225 (2024) DOI: 10.3847/1538-4357/ad1681.
- Heyl, J., Butterworth, J., Viti, S., ”Understanding molecular abundances in star-forming regions using interpretable machine learning”, MNRAS 526, 404 (2023) DOI: 10.1093/mnras/stad2814.
- Huang, K.-Y., Viti, S., et int., Bouvier, M., ”Reconstructing the shock history in the CMZ of NGC 253 with ALCHEMI”, A&A 675, A151 (2023) DOI: 10.1051/0004-6361/202245659.
- Holdship, J., Mangum, J. G., Viti, S., et int., van der Werf, P., ”Energizing Star Formation: The Cosmic-Ray Ionization Rate in NGC 253 Derived from ALCHEMI Measurements of H3O+ and SO”, ApJ 931, 89 (2022) DOI: 10.3847/1538-4357/ac6753.
- Holdship, J., Viti, S., et int., Ilee, J.D., ”Chemulator: Fast, accurate thermochemistry for dynamical models through emulation”, A&A 653, A76 (2021) DOI: 10.1051/0004-
6361/202140357.
- Privon, G. C., et int., Viti, S., et int., Pérez-Torres, M. A., ”A Hard X-Ray Test of HCN Enhancements As a Tracer of Embedded Black Hole Growth”, ApJ 893, 149 (2020) DOI: 10.3847/1538-4357/ab8015.
- de Mijolla, D., Viti, S., et int., Yates, J., ”Incorporating astrochemistry into molecular line modelling via emulation”, A&A 630, A117 (2019) DOI: 10.1051/0004-6361/201935973.
- Jiménez-Serra, I., Viti, S., Holdship, J., ”The Chemistry of Phosphorus-bearing Molecules under Energetic Phenomena”, ApJ, 862, 128 (2018) DOI: 10.3847/1538-4357/aacdf2.
- Aladro, R., Viti, S., et int., Weiß, A., ”A λ = 3 mm molecular line survey of NGC 1068 Chemical signatures of an AGN environment”, A&A 549, A39 (2013) DOI: 10.1051/0004-6361/201220131.