| 2025 – present | Research Professor, Bayerisches Geoinstitut, Germany |
| 2024 – 2025 | Professor II (adjunct), University of Oslo, Norway |
| 2023 – present | Honorary Professor of Earth Sciences, ELTE, Budapest, Hungary |
| 2021 – 2025 | Research Professor & Senior Advisor, HUN-REN CSFK, Budapest, Hungary |
| 2021 – 2023 | Ida Pfeiffer Visiting Professor & Senior Research Fellow, University of Vienna, Austria |
| 2021 – 2024 | Humboldt Visiting Research Professor, University of Jena, Germany |
| 2019 | Professeur Invité, University of Lorraine/CNRS-CRPG, Nancy, France |
| 2018 | Visiting Professor, Department of Earth Sciences, ETH, Zürich, Switzerland |
| 2017 – 2020 | College of Arts & Sciences Council Chair, University of Colorado (CU), Boulder, USA |
| 2000 – 2021 | Assistant (2000), Associate (2007), Full (2014), Emeritus (2021) Professor, CU, Boulder, USA |
| 2015 – 2017 | Visiting Professor, Earth-Life Science Institute, Tokyo Institute of Technology, Japan |
| 2013 – 2014 | Distinguished Visiting Professor, Hungarian Academy of Sciences, Budapest, Hungary |
| 2011 – 2013 | Professeur des universités (2e), Université Claude Bernard Lyon 1, France |
| 2007 – 2008 | CNRS & Fulbright Visiting Professor of Geochemistry, CNRS-CRPG Nancy, France |
| 1999 – 2000 | Adjunct Assistant Professor of Geochemistry, UCLA, USA |
| 1998 – 2000 | NSF Earth Sciences Postdoctoral Fellow, UCLA, USA |
| 1997 – 1998 | President's Postdoctoral Fellow, UCLA, USA |
| 1998 – 2000 | Asst. Researcher, IPAPS, UCSD, USA |
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| 2024 | Elected Member, Academia Europaea, 2024 |
| 2021 | Ida Pfeiffer Professorship, University of Vienna |
| 2021 | Humboldt Research Prize, A. v. Humboldt Foundation |
| 2019 | Professeur Invité, University of Lorraine and CRPG |
| 2017 | Full External Member, Hungarian Academy of Sciences |
| 2014 | University of Colorado ASSETT Outstanding Teacher Award |
| 2013 | Distinguished Visiting Professorship, Hungarian Academy of Sciences |
| 2007 | Fulbright Faculty Scholar |
| 2004 | University of Colorado, Residence Life Teaching Award |
| 1998 | Fellow, Institute of Geophysics and Planetary Physics (IGPP), University of California |
| 1996 | Edward A. Frieman Prize, Scripps Institution of Oceanography |
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