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.

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.

Guarn Elizabeth Nissen

Senior Coordinator

Senior coordinator at the Cosmic Dawn Center

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

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

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.

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

Georgios Magdis

Associate Professor

Galaxy formation and evolution, observational cosmology, ISM

Gabriel Brammer

Associate Professor

Galaxy evolution with space telescopes.

Peter Jakobsen

Affiliate Professor

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

Francesco Valentino

Assistant Professor

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

Allan Hornstrup

Associate Professor

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

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

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

Francesca Rizzo


Galaxy evolution; Galaxy dynamics; Gravitational lensing

Seiji Fujimoto


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

Victoria Strait

DAWN Fellow

High redshift galaxy properties, Epoch of Reionization

Aswin P Vijayan

DAWN Fellow

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

Nina Bonaventura

Alumna (Postdoc)

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

Steven Gillman


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

Lijie Liu

DAWN Fellow

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

Conor McPartland


I am a PhD candidate at the University of Hawaii Institute for Astronomy. I use galaxy morphology and optical/near-IR spectroscopy to study the relati

Anne Hutter

DAWN Fellow

Galaxy formation and evolution, Reionisation, 21cm signal, Lyman-alpha emitters, modelling & simulations.

Minju Lee

DAWN Fellow

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

Jasleen Matharu

DAWN Fellow

I am a DAWN Fellow at the Niels Bohr Institute, University of Copenhagen. I will be assisting in building the necessary software to process JWST Slitl

Anton Norup-Sørensen


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

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

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

Peter Laursen

Astrophysicist and Science Communicator

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

Trity Pourbahrami

Communications Consultant

I am a science communications practitioner and educator with the ultimate goal of supporting scientists to communicate more effectively and to have gr

Katherine E. Whitaker

Assistant Professor


Daniele Bjørn Malesani


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

Pascal Oesch

Associate Professor at U. Geneva

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

Birgitta Nordström

Associate Professor Emerita

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

Shuowen Jin

Marie Skłodowska-Curie Fellow

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

Meghana Killi

PhD Student

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

Clara Giménez Arteaga

PhD Student

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

Malte Brinch

PhD Student

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

Vadim Rusakov

PhD Student

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

Joonas Kari Markku Viuho

PhD Student

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

Kate Gould

PhD Student

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

David Blánquez Sesé

PhD Student

Quiescent galaxies, Interstellar medium, Galaxy formation and evolution

Ting-Yi Lu

PhD Student

Gonzalo Prieto

PhD Student

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

Natalie Allen

PhD Student

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

Simone Vejlgaard Nielsen

PhD Student

I am a MSc student working on my thesis under supervision of prof. Johan Fynbo and postdoc Kasper E. Heintz.

Albert Bjerregård Sneppen

MSc Student

I am 1st year graduate student within physics at the Niels Bohr Institute. Currently, I am working with Prof. Charles Steinhardt on possible temperat

Jiaming Yao

Alumnus (MSc)

I am a Master student who working on my thesis under the direction of Francesco Valentino and Georgios Magdis. My current research focuses on selectin

Guozhen Ma

PhD Student

I am currently a second-year master’s student writing my thesis at the Cosmic Dawn Center, supervised by Prof. Johan Fynbo. My thesis is trying to m

Han Lei

Alumna (MSc)

I am a second-year master student currently working on my thesis, supervised by Francesco Valentino and Georgios Magdis at DAWN. My research is on a c

Ditlev Reimer-Frickmann

Msc Student

Peter Johannsen

Student Helper

Tasks include: website maintenance and keeping the kitchen clean.