DAWN staff & students

The DAWN family comprises both permanent and temporary staff. At any time, some 40 local scientists and student are found at UCPH and DTU. In addition, we have around 10 affiliated scientists at various institutions around the world.

All staff and students are seen below in a random order. Use the filter buttons to look for specific groups, and click images for more details.

If you're a new DAWNer, you can check the wiki page on how to create your own profile.

Albert Bjerregård Sneppen

MSc Student

Allan Hornstrup

Associate Professor

Head of Astrophysics and Atmospheric Physics and ass. prof. at the Cosmic Dawn Center, DTU Space.

Andrew Blumesen

MSc Student

Anton Norup-Sørensen


I work with instrument design for astronomy.  Development is made in close contact with both astronomers and workshops. Projects include characterisa

Aswin P Vijayan

DAWN Fellow

Simulations of galaxy formation, high-z galaxies, dust, photometry

Birgitta Nordström

Associate Professor Emerita

Star formation, nucleosynthesis, and general chemical and dynamical evolution of the Galactic disk.

Bitten Gullberg

Carlsberg Integration Fellow

Bo Milvang-Jensen


I am a researcher based at the Cosmic Dawn Center. I received my master's degree from the University of Copenhagen, having carried out the research fo

Charles Louis Steinhardt

Associate Professor

I work on a variety of topics, some in galaxy formation and evolution and others in machine learning and data science. I also run a summer research pr

Charlotte Mason

Associate Professor

Galaxy formation & evolution, Reionization, and the galaxy-dark matter connection in the early Universe.

Clara Giménez Arteaga

PhD Student

Galaxy evolution, spatially resolved observations, ISM, extinction & attenuation, imaging with HST.

Connor McPartland


Daniele Bjørn Malesani


Interests: gravitational waves, gamma-ray bursts, transients, observations.

Darach Jafar Watson

Associate Professor

I am mainly observationally oriented and have of the course of my career applied a wide range of techniques and wavelengths ranging from X-rays (using

Dave Sanders

Long-Term Guest

My current research is primarily in the area of infrared-submillimeter observations of interacting/merging galaxies, their evolutionary connection wit

David Blánquez Sesé

PhD Student

Quiescent galaxies, Interstellar medium, Galaxy formation and evolution

David Vizgan

Fulbright Fellow

Dazhi Zhou

PhD student

Hi there, this is Dazhi, a PhD student in observational cosmology at Cosmic Dawn Center(DTU side). My interests cover various aspects of galaxy format

Ditlev Reimer-Frickmann

Msc Student

Francesca Rizzo


Galaxy evolution; Galaxy dynamics; Gravitational lensing

Francesco Valentino

Assistant Professor

Galaxy evolution, star formation, and quenching. Carlsberg Fellow.

Gabriel Brammer

Associate Professor

Galaxy evolution with space telescopes.

Gaurav Senthil Kumar

BSc Student

Georgios Magdis

Associate Professor

Galaxy formation and evolution, observational cosmology, ISM

Gonzalo Prieto

PhD Student

Galaxy evolution; Reionization; Early Universe; Lyman Alpha Emitters.

Guarn Elizabeth Nissen

Senior Coordinator

Senior coordinator at the Cosmic Dawn Center

Guozhen Ma

MSc Student

Han Lei

MSc Student

Helena Baungaard-Sørensen

Section Secretary

My main tasks are to provide with administrative assistance to the DAWN team. I enjoy working with passionate people and dedicated scientists and to b

Iary Davidzon

Marie Skłodowska-Curie Fellow

SFR vs. stellar mass, U-V vs. V-J, observations vs. simulations, LAL vs. LAC, academia vs. life.

Ioannis Mageiras

MSc Student

Jiaming Yao

MSc Student

Johan Fynbo


I am a professor at the Cosmic Dawn Center at the Niels Bohr Institute. I work on galaxy formation, quasar surveys, transient astrophysics, and develo

John R. Weaver

PhD Student

Galaxy evolution, assembly, and star-formation cessation. Catalog maker. Citizen science enthusiast.

Joonas Kari Markku Viuho

PhD Student

Instrumentation, e.g. for the NOT Transient Explorer (NTE).

Kasper Elm Heintz

Assistant Professor

I mainly work on the optical counterparts and host galaxies of astronomical transients such as fast radio bursts and gravitational wave events, to bet

Kate Gould

PhD Student

Galaxy evolution, quenching, quiescent and post-starburst galaxies.

Katherine E. Whitaker

Assistant Professor

Lijie Liu

DAWN Fellow

Specialised in observational radio/(sub)mm astronomy, interstellar medium, star formation and galaxy evolution.

Lise Christensen

Associate Professor

My research topics focus on the nature of gas and stars in and around distant galaxies with observations from the largest telescopes. Specifically, I

Maiken Petersen

BSc Student (DTU)

Malte Brinch

PhD Student

Galaxy Evolution, Starburst Galaxies, Protoclusters of Galaxies, Submillimeter Astronomy, ISM, Dust, AGN.

Marina Koukouvaou

MSc Student (NBI)

Meghana Killi

PhD Student

High z, galaxy evolution, oddities and anomalies, LAE, Lya, compact galaxies, morphology, HST, ALMA

Michael Andersen

Technology Manager

Responsible for the technical implementation of instrument projects, such as the NBI Euclid (NISP) contribution and the NOT Transient Explorer and the

Minju Lee

DAWN Fellow

galaxy formation and evolution -- galactic ecosystem (ISM/CGM/ICM); cluster formation and evolution; AGN feedback

Natalie Allen

PhD Student

Researching the first galaxies, galaxy evolution and reionization with observations from ground breaking telescopes: JWST, Euclid, Subrua, ect...

Nina Bonaventura


JWST/NIRSpec GTO Team member. Algorithms & scientific software dev. Galaxy formation & evolution.

Pascal Oesch

Associate Professor at U. Geneva

First galaxies; galaxy evolution; imaging & spectroscopy with HST, Spitzer, Keck, VLT, ALMA & NOEMA

Peter Jakobsen

Affiliate Professor

My scientific interests include astronomical space instrumentation, applied statistics, and the physics of the early universe with emphasis on quasar

Peter Johannsen

Student Helper

Tasks include: website maintenance and keeping the kitchen clean.

Peter Laursen

Astrophysicist and Science Communicator

Galaxy modeling, Lyman α radiative transfer, outreach, press releases+contact, news stories, webmaster, event coordination, …

Seiji Fujimoto


distant galaxies and quasars; observations with JWST, HST, Subaru, Keck, VLT, ALMA, NOEMA, JVLA

Shuowen Jin


Formation and evolution of distant dusty galaxies and clusters. Infrared, (sub)mm & radio observations.

Sinclare Miguel Manning


Søren Staal

BSc Student

Steven Gillman


High redshift galaxy evolution, star-forming galaxies, kinematics, morphology, JWST MIRI GTO

Sune Toft

Center director

Professor of Cosmology and Extragalactic Astrophysics and center director of the Cosmic Dawn Center.

Thomas R. Greve

Professor, Center Co-Director

Professor of Extragalactic Astronomy and Cosmology, and center co-director.

Ting-Yi Lu

PhD Student

Trity Pourbahrami

Communications Consultant

Vadim Rusakov

PhD Student

Galaxy assembly and quenching, stellar populations, general interest in machine learning tools.

Vasily Kokorev

PhD Student

Victoria Strait

DAWN Fellow

High redshift galaxy properties, Epoch of Reionization