Curriculum Vitae

Academic education

• 1999 PhD
  Helsinki University of Technology.
• 1998 Lic.Tech.
  Helsinki University of Technology. Major: applied mathematics.
• 1994 MSc (eng.)
  Helsinki University of Technology. Major: applied mathematics.

Employment

• 2009-present
  Professor of Industrial Mathematics at University of Helsinki, Finland.
• 2006-2009
  Professor of mathematics at Tampere University of Technology, Finland.
• 2004-2005
  R&D Scientist at GE Healthcare Finland.
• 2002-2004
  JSPS Postdoctoral Fellow at Gunma University Department of Mathematics, Kiryu, Japan.
• 1999-2002
  R&D Scientist at Instrumentarium Corp. Imaging Division, Finland.
• 1994-1999
  Researcher at Helsinki University of Technology, Finland.

Awards

• Honorary Doctor of Technology, Lappeenranta-Lahti University of Technology LUT, 2022.
• Knight, First Class, of the Order of the White Rose of Finland. Conferred 2021.
• Award: Erkki Laurila Prize 2021, granted by the Finnish Nuclear Society.
• Award: Mathematics Prize 2020, granted by the Finnish Mathematical Society.
• Second Prize: IAEA Tomography reconstruction and analysis challenge. Our solution method explained here: arXiv link
• Award: Maikki Friberg Equity and Equality Prize 2019, granted by the University of Helsinki. The award was given to the Faculty of Science for its efforts for promoting equality and non-discrimination, implemented under the leadership of Vice Dean Siltanen.
• Award: J.V. Snellman Prize 2018, granted by the University of Helsinki. The award is given for meritorious work in disseminating academic and scientific knowledge to general audiences.
• Award: The Scientific Conference Organizer of the Year 2015, granted by the Federation of Finnish Learned Societies.
• Award: Winner of the 8th Science SLAM Helsinki, November 6, 2015.
  Watch the video:
• For all grants and awards, please see this page.

Memberships in scientific societies

• President of Finnish Inverse Problems Society
• Treasurer of European Mathematical Society (EMS) for the period 2023-2026
• Vice Chair of Finnish Nuclear Society.
• Member of the Finnish Academy of Science and Letters
• Finnish Academy of Technical Sciences, ordinary member
• Member of Society for Industrial and Applied Mathematics (SIAM)
• Member of Finnish Mathematical Society

Editorial Board memberships

• Editor-in-Chief, Applied Mathematics for Modern Challenges.
• Inverse Problems and Imaging.
• Inverse Problems (2014-2018).
• Journal of Inverse and Ill-posed Problems (2014-2017).

Duties as editor

• 2023 Guest editor
  Moura F, Siltanen S and Juvonen M (guest editors)
  Special Issue on Helsinki Deblur Challenge 2021, Inverse Problems and Imaging 17(5), 2023
• 2013 Guest editor
  Lassas M and Siltanen S (guest editors)
  Special Issue on Inverse Problems in Mathematical Biology of Journal of Mathematical Biology 67(1), 2013
• 2003 Guest editor
  Isaacson D, Mueller J L and Siltanen S (guest editors)
  Special issue on electrical impedance tomography of Physiological Measurement (volume 24, 2003)

Positions as scientific expert

• Vide Director of FAME Flagship 2024-2031.
• Team leader in the Finnish Centre of Excellence in Inverse Modelling and Imaging granted by the Academy of Finland for the period 2018-2025.
• Vice Chair of the Board of Heureka Science Center.
• Program Coordinator of SIAM activity group on Imaging Science 2022-2023.
• Member of the Applied Mathematics Committee (AMC) of the European mathematical society (EMS) 2014-2017.
• Team leader in the Finnish Centre of Excellence in Inverse Problems Research granted by the Academy of Finland for the period 2012-2017.
• Visiting Fellow of the Isaac Newton Institute for Mathematical Sciences, participating the programme Inverse Problems, October 24-November 25, 2011.
• Research Member of MSRI Berkeley, USA (2010).
• Senior scientist in the Inverse Problems Center of Excellence of the Academy of Finland for the period 2006-2011.

Duties as scientific expert

• 2020 Member of professor recruitment committee at Norwegian University of Science and Technology.
• 2020 Evaluator in a process of promotion to Professor at University College London.
• 2018 Member of professor recruitment committee at Aalto University
• 2017 Evaluator in a process of promotion to Professor in The University of Texas at Arlington.
• 2017 Grant proposal evaluator for the Netherlands Organisation for Scientific Research (NWO).
• 2017 Evaluator for a professor position at TU Chemnitz, Germany.
• 2015 Grant proposal evaluator for Austrian Science Fund (FWF).
• 2015 Grant proposal evaluator for the Netherlands Organisation for Scientific Research (NWO).
• 2014 Guest editor for the Special issue on complex geometrical optics solutions of Inverse Problems and Imaging (Volume 8, number 4, November 2014) together with Sarah Hamilton, Kim Knudsen and Gunther Uhlmann.
• 2014 Grant proposal evaluator for Engineering and Physical Sciences Research Council (EPSRC) of United Kingdom.
• 2013 Grant proposal evaluator for European Research Council (ERC).
• 2013 Project proposal evaluator for German Research Foundation (DFG).
• 2013 Evaluator for an assistant professor tenure track position at University of Bremen, Germany.
• 2013 Evaluator for a lecturer position at Aalto University, Finland.
• 2013 Guest editor for the Special Issue on Inverse Problems in Mathematical Biology of Journal of Mathematical Biology (Volume 67, Issue 1, July 2013) together with Matti Lassas.
• 2012 Evaluator in a process of promotion to Professor in University of California, Merced.
• 2012 Evaluator in a process of tenure and promotion to Associate Professor in University of Texas at Arlington.
• 2012 Member of assessment committee for the Position of Associate/Assistant Professor at Denmark Technical University (DTU) Mathematics.
• 2012 Evaluator for a docent position at Kungliga Tekniska Högskolan (KTH), Stockholm, Sweden.
• 2011 Grant proposal evaluator for Engineering and Physical Sciences Research Council (EPSRC) of United Kingdom.
• 2011 Project proposal evaluator for German Research Foundation (DFG).
• 2011 Project proposal evaluator for Austrian Science Fund (FWF).
• 2006 Project proposal evaluator for Austrian Science Fund (FWF).
• 2005 Industrial partner in the Industrial Mathematics Seminar of Colorado State University.
• 2003 Guest editor for the special issue on electrical impedance tomography of Physiological Measurement (volume 24, 2003) together with David Isaacson and Jennifer Mueller.

Conferences organized

• 2024 Minisymposium Analytical, computational and geometrical approaches to inverse problems at European Congress of Mathematics, Sevilla, Spain, July 15-19.  
• 2024 Co-chair of SIAM Conference on Imaging Science. Atlanta, Georgia, USA, May 28–31.
• 2023 RIMS Workshop on Inverse Problems, Medical Imaging, and Related Topics. January 10–13, Kyoto, Japan.
• 2022 Minisymposium Advances in electrical impedance tomography, SIAM Conference on Imaging Science, online, March 25.
• 2021 Minisymposium Inverse Modelling and Imaging (MSIM3), 29th IFIP TC7 Conference on System Modelling and Optimization, Quito, Ecuador. (Organized online)
• 2020 Special session Deep learning for inverse problems, IEEE MLSP 2020, Aalto University, Finland.
• 2019 Minisymposium Tomographic Imaging: Recent Advances, Exciting Applications and New Horizons, Applied Inverse Problems Conference, Grenoble, France.
• 2019 Minisymposium Advances in Electrical Impedance Tomography: Theory to Practice, Applied Inverse Problems Conference, Grenoble, France.
• 2019 Minisymposium Inverse Problems in Medical Imaging, SIAM Conference on Computational Science and Engineering, Spokane, WA, USA, February 27.
• 2018 Workshop Inverse problems for partial differential equations, in honor of Professor Masaru Ikehata on the occasion of his 60th birthday, Tokyo University of Science, Japan, August 26-28, 2018.
• 2018 Minisymposium Advances in reconstruction methods for electrical impedance tomography, SIAM Conference on Imaging Science, Bologna, Italy, June 5-8, 2018.
• 2018 Minisymposium Advances in reconstruction algorithms for computed tomography, SIAM Conference on Imaging Science, Bologna, Italy, June 5-8, 2018.
• 2017 Member of organizing committee of SIAM Annual meeting.
• 2017 Minisymposium Sparsity-promoting inversion methods for medical imaging, Applied Inverse Problems Conference, Hangzhou, China.
• 2017 Minisymposium Advances in diffuse tomography, Applied Inverse Problems Conference, Hangzhou, China.
• 2016 Minisymposium Nonlinear Mathematics of Electrical Impedance Imaging, SIAM Conference on Imaging Science, Albuquerque, New Mexico, USA, May 25, 2016.
• 2016 Minisymposium Limited-data Tomography, SIAM Conference on Imaging Science, Albuquerque, New Mexico, USA, May 24, 2016.
• 2016 Minisymposium Computational inverse problems,
  Finnish mathematical days (Mathdays 2016), January 7, 2016, University of Turku, Finland.
• 2015 Minisymposium Mathematical solutions of industrial applications,
  International Congress of Industrial and Applied Mathematics (ICIAM)
  Beijing, China, August 11, 2015.
• 2015 Applied Inverse Problems Conference (AIP2015), University of Helsinki, Finland. There were 500 participants, making this the largest-ever scientific meeting on inverse problems so far.
• 2014 Industrial Tomography Workshop (Into2014), University of Helsinki, Finland.
• 2014 Member of scientific organizing committee of Distinguished lectures on inverse problems held at University of Helsinki on August 4-8.
• 2014 Member of scientific committee of Recent progress for mathematical and numerical analysis of inverse problems, May 19-23, CIRM, Marseille, France.
• 2014 Minisymposium Advances in Electrical Impedance Tomography, SIAM Conference on Imaging Science, Hong Kong Baptist University, China.
• 2014 Minisymposium Computational inversion methods for biomedical imaging, SIAM Conference on Imaging Science, Hong Kong Baptist University, China.
• 2013 Shanghai International Workshop on Recent Advances in Inverse Problems and Imaging Science Jiao Tong University, Shanghai, China. Member of scientific committee.
• 2013 Exceptional Circle Helsinki Workshop 2013, University of Helsinki, Finland. Workshop homepage.
• 2013 Minisymposium Sparsity-promoting computational inversion, Applied Inverse Problems Conference, Daejeon, Korea.
• 2013 Minisymposium Inverse problems with experimental data, Applied Inverse Problems Conference, Daejeon, Korea.
• 2012 Minisymposium Computational Photography, SIAM Imaging Science Conference, Philadelphia.
• 2012 Minisymposium Electrical Impedance Tomography: Algorithms and Applications, SIAM Imaging Science Conference, Philadelphia.
• 2012 Minisymposium New Directions in X-ray CT Reconstruction: Limited, Subsampled, Dynamic Data, SIAM Imaging Science Conference, Philadelphia.
• 2012 Nordic Tomography Workshop, University of Helsinki, Finland, May 7, 2012. Conference home page. 
• 2011 Finnish-Japanese-Korean workshop on inverse problems (and the 17th Inverse Days of the Finnish Inverse Problems Society), University of Helsinki, Finland, December 13-16, 2011. Conference home page. 
• 2011 Special Session on Advances on Numerical Methods for Electrical Impedance Tomography, Fields-MITACS Conference on Mathematics of Medical Imaging, University of Toronto, Canada, June 2011. Conference home page.
• 2010 Summer school on computational solution of inverse problems (FICS 2010), University of Helsinki, Finland, June 28 – July 2. Conference home page. 
• 2009 Applied Inverse Problems conference in Vienna, Austria: Minisymposium on Reconstruction algorithms and complex geometrical optics.
• 2008 Graduate Student Workshop on Clifford Algebras and Inverse Problems (FinCAIP), Tampere University of Technology, Finland, September 1, 2008. Homepage: http://math.tut.fi/FinCAIP/.
• 2008 Progress in electromagnetic research symposium (PIERS), Hangzhou, China: Minisymposium on Electromagnetic inverse problems.
• 2008 Minisymposium on Industrial Mathematics at Finnish Mathematical Days, Helsinki University of Technology, Finland, January 3, 2008.
• 2007 Graduate Student Workshop on Inverse Problems. Held at Colorado State University, USA, from July 30 to August 3.
• 2007 Applied Inverse Problems (AIP), Vancouver, Canada: Minisymposium on advances in electrical impedance tomography.
• 2006 12th Inverse Days, Tampere University of Technology.
• 2006 Minisymposium on New Reconstruction Methods for Medical Imaging, SIAM Imaging Science Conference, Minneapolis.
• 2005 Medical Imaging Day of the 11th Inverse Days of the Finnish Inverse Problems Society.
• 2005 Applied Inverse Problems (AIP), Cirencester, UK: Minisymposium on Bayesian and statistical methods.
• 2003 ICIAM, Sydney: Minisymposium on statistical solution of inverse problems.
• 2003 ICIAM, Sydney: Minisymposium on large-scale and multiscale solution of inverse problems.
• 2002 First Mummy Range Workshop on Electrical Impedance Imaging. See special issue of Physiological Measurement (volume 24, 2003) .
• 2002 Minisymposium on New Methods for Breast Cancer Detection, First SIAM Conference on Imaging Science, Boston.
• 2001 Medical Imaging Day of the Inverse Days of the Finnish Inverse Problems Society.
• 1996 Kytke 96: symposium of Finnish graduate students of physics and mathematics.

PhD supervision

• 2024 Riina Virta, PhD from University of Helsinki.
• 2024 Tommi Heikkilä, PhD from University of Helsinki.
• 2024 Anu Kauppi, PhD from University of Helsinki.
• 2021 Juuso Ketola, PhD from University of Oulu.
• 2020 Johannes Norberg, PhD from University of Helsinki.
• 2020 Otto Lamminpää, PhD from University of Helsinki.
• 2019 Jouni Susiluoto, PhD from University of Helsinki.
• 2018 Zenith Purisha, PhD from University of Helsinki.
• 2017 Andreas Hauptmann, PhD from University of Helsinki.
• 2015 Martti Kalke, PhD from University of Helsinki.
• 2015 Esa Niemi, PhD from University of Helsinki.
• 2014 Janne Tamminen, PhD from University of Helsinki.
• 2013 Kati Niinimäki, PhD (approved with distinction) from University of Eastern Finland.
• Currently under my supervision at University of Helsinki: Otso Hyvärinen, Markus Juvonen, Elli Karvonen, Salla Latva-Äijö, Saara Malila, Alexander Meaney, Antti Mikkonen, Siiri Rautio, Sara Sippola and Chuyang Wu.

Duties related to doctoral dissertations

• 2023 External examiner of Francesca Bevilacqua at University of Bologna, Italy.
• 2023 PhD committee member for Ivan Pombo at Stuttgart University, Germany.
• 2022 External examiner of Bolin Pan at University College London, UK.
• 2020 PhD committee member for Monica Pragliola at University of Bologna, Italy.
• 2019 PhD committee member for Talles Batista Rattis Santos at University of São Paulo, Brazil.
• 2019 External examiner of Veronica Corona at University of Cambridge, UK.
• 2018 Dissertation opponent of Mikko Lilja at Aalto University, Finland.
• 2018 Pre-examiner for Johannes Haataja‘s at Aalto University, Finland.
• 2017 Pre-examiner for Elena Morotti‘s PhD thesis., Università di Padova, Italy.
• 2017 Pre-examiner for Florian Faucher‘s PhD thesis, University of Pau and Pays de l’Adour, France.
• 2017 PhD committee member for Guozhi Dong at University of Vienna, Austria.
• 2015 PhD committee member for Daniel Gerth at Johannes Kepler University in Linz, Austria.
• 2015 PhD committee member for Sara Soltani at Technical University of Denmark (DTU).
• 2015 Pre-examiner for Georgios Fotopoulos’ PhD thesis,  University of Oulu, Finland.
• 2014 Pre-examiner for Felix Lucka‘s PhD thesis, Westfälische Wilhelms-Universität Münster, Germany.
• 2014 Pre-examiner for Pia Heins‘ PhD thesis, Westfälische Wilhelms-Universität Münster, Germany.
• 2014 Dissertation opponent of Uygar Tuna at Tampere University of Technology, Finland.
• 2013 Pre-examiner for Uygar Tuna‘s PhD thesis, Tampere University of Technology, Finland.
• 2013 PhD committee member for Jürgen Frikel at Technical University of Munich, Germany.
• 2011 Dissertation opponent of Antti Nissinen at University of Eastern Finland.
• 2010 Dissertation opponent of Markus Harju at University of Oulu, Finland.
• 2009 Pre-examiner for Markus Harju‘s PhD thesis, University of Oulu, Finland.
• 2009 Pre-examiner for Danai Laksameethanasan‘s PhD thesis, Helsinki University of Technology, Finland.
• 2008 Pre-examiner for Barbara D’Ambrogi-Ola‘s PhD thesis, University of Helsinki, Finland.
• 2008 Dissertation opponent of Ramunas Girdziusas at Helsinki University of Technology, Finland.
• 2007 Pre-examiner for Ramunas Girdziusas‘ PhD thesis, Helsinki University of Technology, Finland.
• 2006 Pre-examiner for Simopekka Vänskä‘s PhD thesis, University of Helsinki, Finland.
• 2006 Dissertation opponent of Tanja Tarvainen at University of Kuopio, Finland.
• 2005 Pre-examiner for Markus Harju‘s Licentiate thesis, University of Oulu, Finland.
• 2004 Dissertation opponent of Päivi Vauhkonen at University of Kuopio, Finland.
• 2001 Pre-examiner for Ville Kolehmainen‘s PhD thesis, University of Kuopio, Finland.