skip to content
Home

Faculty of Mathematics

 

Professor Blake Sherwin

Career

  • 2024-: Professor of Cosmology and Astrophysics, DAMTP, University of Cambridge (and Deputy Director, Kavli Institute for Cosmology Cambridge, 2026-)
  • 2022-2024: Professor of Cosmology and Astrophysics (Grade 11), DAMTP, University of Cambridge
  • 2017-2022: Assistant Professor, DAMTP, University of Cambridge
  • 2017-2022: STFC Ernest Rutherford Fellow, DAMTP, University of Cambridge
  • 2016-2017: NASA Einstein Fellow, Physics Division, Lawrence Berkeley Laboratory
  • 2013-2016: Miller Research Fellow, Dept. of Physics, University of California, Berkeley
  • 2008-2013: Ph.D. in Physics, Princeton University
  • 2004-2008: Part III Mathematics and Parts I/II NST Physics, University of Cambridge

Research Interests

Blake is a theoretical and observational cosmologist. He has research interests across CMB and large-scale structure, with a particular focus on measurements of the gravitational lensing and scattering of the CMB.

Research Group

Blake leads the CosMicBacklight project, funded by a Consolidator Grant from the European Research Council (2026-). Group members and affiliates include:

Postdoctoral and senior researchers: 

Alex Lague

Jordan Krywonos

Ola Kusiak

Fiona McCarthy (now affiliated Royal Society University Research Fellow)

Niall MacCrann (now affiliated Royal Society University Research Fellow)

co-mentored postdocs (primarily IoA-based): Emilie Hertig, Bernardita Ried Guachalla

PhD students:

Irene Abril Cabezas

Carmen Embil-Villagra

Joseph Thornton

Guanming Liang

 

Former group members and next steps:

postdocs: Toshiya Namikawa (postdoc/SRA -> Project Associate Professor, IPMU), Louis Legrand (SNSF postdoc-> faculty, CBPF, Brazil), Giulio Fabbian (postdoc->Snr. Staff Scientist, CNRS), Boris Bolliet (postdoc/SRA -> Asst. Teaching Professor, Cambridge), Dongwon Han (postdoc -> tech. industry)

students: Gerrit Farren (PhD -> Chamberlain Fellow, LBNL), Frank Qu (PhD -> Hubble Fellow, Stanford), Omar Darwish (PhD -> postdoc U Geneva); Boryana Hadzhiyska (Masters -> PhD Harvard), Oliver Philcox (Masters -> PhD Princeton), Alex Reeves (Masters-> PhD ETH Zurich)

 

Blake's recent awards/honors also include an ERC Starting Grant (the CMBLENS project, 2020-2026) and the Royal Astronomical Society's Early Career Award (2019).

 

 

Publications

Atacama Cosmology Telescope: DR6 gravitational lensing and SDSS BOSS cross-correlation measurement and constraints on gravity with the EG statistic
L Wenzl, R An, N Battaglia, R Bean, E Calabrese, S-F Chen, SK Choi, O Darwish, J Dunkley, GS Farren, S Ferraro, Y Guan, I Harrison, J Kim, T Louis, N MacCrann, MS Madhavacheril, GA Marques, Y Mehta, MD Niemack, FJ Qu, N Sehgal, S Shaikh, BD Sherwin, C Sifón et al.
– Physical Review D
(2025)
111,
043535
(doi: 10.1103/PhysRevD.111.043535)
Constraining dark energy with the integrated Sachs-Wolfe effect
E Seraille, J Noller, BD Sherwin
– Physical Review D
(2024)
110,
123525
(doi: 10.1103/physrevd.110.123525)
The Atacama Cosmology Telescope DR6 and DESI: structure formation over cosmic time with a measurement of the cross-correlation of CMB lensing and luminous red galaxies
J Kim, N Sailer, MS Madhavacheril, S Ferraro, I Abril-Cabezas, JN Aguilar, S Ahlen, JR Bond, D Brooks, E Burtin, E Calabrese, S-F Chen, SK Choi, T Claybaugh, O Darwish, A de la Macorra, J DeRose, M Devlin, A Dey, P Doel, J Dunkley, C Embil-Villagra, GS Farren, A Font-Ribera, JE Forero-Romero et al.
– Journal of Cosmology and Astroparticle Physics
(2024)
2024,
022
(doi: 10.1088/1475-7516/2024/12/022)
The Simons Observatory: Combining cross-spectral foreground cleaning with multitracer B- mode delensing for improved constraints on inflation
E Hertig, K Wolz, T Namikawa, AB Lizancos, S Azzoni, I Abril-Cabezas, D Alonso, C Baccigalupi, E Calabrese, A Challinor, J Errard, G Fabbian, C Hervías-Caimapo, B Jost, N Krachmalnicoff, AI Lonappan, M Morshed, L Pagano, B Sherwin
– Physical Review D
(2024)
110,
043532
(doi: 10.1103/physrevd.110.043532)
The Atacama Cosmology Telescope: reionization kSZ trispectrum methodology and limits
N MacCrann, FJ Qu, T Namikawa, B Bolliet, H Cai, E Calabrese, SK Choi, W Coulton, O Darwish, S Ferraro, Y Guan, JC Hill, M Hilton, R Hložek, D Kramer, MS Madhavacheril, K Moodley, N Sehgal, BD Sherwin, C Sifón, ST Staggs, H Trac, A Van Engelen, EM Vavagiakis
– Monthly Notices of the Royal Astronomical Society
(2024)
532,
4247
(doi: 10.1093/mnras/stae1746)
LiteBIRD science goals and forecasts: a full-sky measurement of gravitational lensing of the CMB
AI Lonappan, T Namikawa, G Piccirilli, P Diego-Palazuelos, M Ruiz-Granda, M Migliaccio, C Baccigalupi, N Bartolo, D Beck, K Benabed, A Challinor, J Errard, S Farrens, A Gruppuso, N Krachmalnicoff, E Martínez-González, V Pettorino, B Sherwin, J Starck, P Vielva, R Akizawa, A Anand, J Aumont, R Aurlien, S Azzoni et al.
– Journal of Cosmology and Astroparticle Physics
(2024)
2024,
009
(doi: 10.1088/1475-7516/2024/06/009)
LiteBIRD science goals and forecasts: improving sensitivity to inflationary gravitational waves with multitracer delensing
T Namikawa, AI Lonappan, C Baccigalupi, N Bartolo, D Beck, K Benabed, A Challinor, P Diego-Palazuelos, J Errard, S Farrens, A Gruppuso, N Krachmalnicoff, M Migliaccio, E Martínez-González, V Pettorino, G Piccirilli, M Ruiz-Granda, B Sherwin, J Starck, P Vielva, R Akizawa, A Anand, J Aumont, R Aurlien, S Azzoni et al.
– Journal of Cosmology and Astroparticle Physics
(2024)
2024,
010
(doi: 10.1088/1475-7516/2024/06/010)
The Atacama Cosmology Telescope: Cosmology from Cross-correlations of unWISE Galaxies and ACT DR6 CMB Lensing
GS Farren, A Krolewski, N MacCrann, S Ferraro, I Abril-Cabezas, R An, Z Atkins, N Battaglia, JR Bond, E Calabrese, SK Choi, O Darwish, MJ Devlin, AJ Duivenvoorden, J Dunkley, JC Hill, M Hilton, KM Huffenberger, J Kim, T Louis, MS Madhavacheril, GA Marques, J McMahon, K Moodley, LA Page et al.
– The Astrophysical Journal
(2024)
966,
157
(doi: 10.3847/1538-4357/ad31a5)
Constraining gravity with a new precision EG estimator using Planck plus SDSS BOSS data
L Wenzl, R Bean, S-F Chen, GS Farren, MS Madhavacheril, GA Marques, FJ Qu, N Sehgal, BD Sherwin, A van Engelen
– Physical Review D
(2024)
109,
083540
(doi: 10.1103/PhysRevD.109.083540)
The Atacama Cosmology Telescope: Mitigating the Impact of Extragalactic Foregrounds for the DR6 Cosmic Microwave Background Lensing Analysis
N MacCrann, BD Sherwin, FJ Qu, T Namikawa, MS Madhavacheril, I Abril-Cabezas, R An, JE Austermann, N Battaglia, ES Battistelli, JA Beall, B Bolliet, JR Bond, H Cai, E Calabrese, WR Coulton, O Darwish, SM Duff, AJ Duivenvoorden, J Dunkley, GS Farren, S Ferraro, JE Golec, Y Guan, D Han et al.
– Astrophysical Journal
(2024)
966,
138
(doi: 10.3847/1538-4357/ad2610)
  • <
  • 3 of 12
  • >

Research Group

Relativity and Gravitation

Email

bds30@damtp.cam.ac.uk

Room

B2.06

Telephone

01223 337906

Study at Cambridge

About the University

Research at Cambridge