Chair
![David Brain](/aps/sites/default/files/styles/large_square_thumbnail/public/people/dave.brain_1.jpg?itok=JBYYn2SB)
David Brain
Department Chair
Assoc. Chair
![cranmer](/aps/sites/default/files/styles/large_square_thumbnail/public/people/cranmer_pfp_2023_10_25_002.jpg?itok=H6J_7MTk)
Steven Cranmer
Associate Chair for Graduate Studies
![Ann-Marie Madigan](/aps/sites/default/files/styles/large_square_thumbnail/public/people/ann-marie_madigan.jpg?itok=4f0M_2S6)
Ann-Marie Madigan
Associate Chair for Undergraduate Studies
Staff
![LN](/aps/sites/default/files/styles/large_square_thumbnail/public/people/staff_picture.jpg?itok=f1iBTr5A)
Lindsay Nelson
Graduate Program Coordinator
![rr](/aps/sites/default/files/styles/large_square_thumbnail/public/people/0d8f8676-d575-446b-b297-fb63a4885c8b.jpeg?itok=VSfx0nZv)
Robyn Ronen
Business Manager
![DT](/aps/sites/default/files/styles/large_square_thumbnail/public/people/20230717_112154.jpg?itok=9BQo4K_6)
David Taylor
Accounting & Finance Professional
![meeee](/aps/sites/default/files/styles/large_square_thumbnail/public/people/placeholder_0_0.jpg?itok=PxxE08_4)
Brittney Washington
Undergraduate Program Coordinator
First Year Graduate ÀÖ²¥´«Ã½
![CL](/aps/sites/default/files/styles/large_square_thumbnail/public/people/portrait.jpeg?itok=bqj0bNtN)
Cori Laughrey
NSF Graduate Research Fellow, George Ellery Hale Fellow
![KP](/aps/sites/default/files/styles/large_square_thumbnail/public/people/putnam_ky_photo.jpeg?itok=JF7pdsgu)
Ky Putnam
NSF Graduate Research Fellow
![aw](/aps/sites/default/files/styles/large_square_thumbnail/public/people/weitz_headshot.jpg?itok=_hsIOsMj)
Ayla Weitz
George Ellery Hale Fellow
Graduate ÀÖ²¥´«Ã½
![PH](/aps/sites/default/files/styles/large_square_thumbnail/public/people/placeholder_0.jpg?itok=tDVKZgtP)
Chloë Benton
GEM PhD Fellow
![Sarah Bruce](/aps/sites/default/files/styles/large_square_thumbnail/public/people/sarah_bruce.jpg?itok=zDKzixdh)
Sarah Bruce
George Ellery Hale Fellow
![Imogen Immie Cresswell](/aps/sites/default/files/styles/large_square_thumbnail/public/people/imogen_cresswell.jpg?itok=d1HtP_i2)
Imogen Cresswell
George Ellery Hale Fellow
![JC](/aps/sites/default/files/styles/large_square_thumbnail/public/people/april21_cropped_-_james_crowley.png?itok=Vg1CbH4h)
James Crowley
George Ellery Hale Fellow
![EF](/aps/sites/default/files/styles/large_square_thumbnail/public/people/psx_20200711_190340_-_emily_farr.jpg?itok=zil2-i8w)
Emily Farr
NASA FINESST Fellow
![angie](/aps/sites/default/files/styles/large_square_thumbnail/public/people/angelina_harke-hosemann_0.jpg?itok=YvUx7zzd)
Angi Harke-Hosemann
NSF Graduate Research Fellow
![WP](/aps/sites/default/files/styles/large_square_thumbnail/public/people/pxl_20211112_193506648_-_whitney_powers.jpg?itok=TXSuIdkv)
Whitney Powers
Hale Fellow • NASA FINESST Fellow
![asdsd](/aps/sites/default/files/styles/large_square_thumbnail/public/people/jorge.jpg?itok=yn1jQvIq)
Jorge Romero Minaya
George Ellery Hale Fellow
![Garyfallia "Lily" Kromyda](/aps/sites/default/files/styles/large_square_thumbnail/public/people/lily_kromyda.jpg?itok=7KXkQH9N)
Lily Strus
Hale Fellowship, John T. Gosling Endowed Fellowship
![CT](/aps/sites/default/files/styles/large_square_thumbnail/public/people/cole_tamburri_headshot.jpg?itok=fKR8w5A2)
Cole Tamburri
George Ellery Hale Fellow
![DT](/aps/sites/default/files/styles/large_square_thumbnail/public/people/pxl_20220810_165812601.mp_.jpg?itok=Kj4ciF2u)
Dennis Tilipman
NASA FINESST Fellow
![AZ](/aps/sites/default/files/styles/large_square_thumbnail/public/people/cropped_headshot_-_anna_zuckerman.jpg?itok=0dClulWU)
Anna Zuckerman
NSF Graduate Research Fellowship
Faculty
![Daniel Dan Baker](/aps/sites/default/files/styles/large_square_thumbnail/public/people/baker_daniel.jpeg?itok=JwaCRqIl)
Daniel Baker
LASP
![MB](/aps/sites/default/files/styles/large_square_thumbnail/public/people/capture1.jpg?itok=ko8ELwmd)
Mitchell Begelman
JILA
![Lauren Blum](/aps/sites/default/files/styles/large_square_thumbnail/public/people/lauren_blum.png?itok=szgKDxxb)
Lauren Blum
LASP
![Andrew Hamilton](/aps/sites/default/files/styles/large_square_thumbnail/public/people/andrew_hamilton_2016_web.jpg?itok=AzcJ0qSr)
Andrew Hamilton
JILA
![Seth Hornstein](/aps/sites/default/files/styles/large_square_thumbnail/public/people/hornstein_seth.jpg?itok=S3W-xMMb)
Seth Hornstein
Observatory Director
![John Keller](/aps/sites/default/files/styles/large_square_thumbnail/public/people/keller_photo_1.jpg?itok=fX0hnm5D)
John Keller
Planetarium Director
![David Malaspina](/aps/sites/default/files/styles/large_square_thumbnail/public/people/dmm_headshot_crop_01.jpg?itok=FQM_6se2)
David Malaspina
Honors Thesis Advising
Research Faculty
Senior Research Associates
Emeritus Faculty
Post-Doctoral Researchers
![RF](/aps/sites/default/files/styles/large_square_thumbnail/public/people/ryan_french.jpeg?itok=lbwhyOPB)
Ryan French
Brinson Prize Postdoctoral Fellow
![EF](/aps/sites/default/files/styles/large_square_thumbnail/public/people/emily_griffith.jpg?itok=1j5Tzhm2)
Emily Griffith
NSF post-doctoral fellow
![CM](/aps/sites/default/files/styles/large_square_thumbnail/public/people/tennis_-_catriona_murray.jpg?itok=s1aXURxI)
Catriona Murray
CASA