 
	The Evolution of Structure and AGN populations SWG will be responsible for identifying outstanding science questions concerning statistical studies of AGN populations, galaxy evolution and galaxy clusters, developing a compelling science case, and aiding the STDT with producing a mission concept that best addresses these questions.
| Science Working Group Co-Chairs:: | ||
| Steve Allen | Stanford University | |
| Ryan Hickox | Dartmouth Collge | |
| Tesla Jeltema | UC Santa Cruz | |
| Daniel Stern | Jet Propulsion Laboratory | |
| Science Working Group Members: | ||
| James Aird | Institute of Astronomy, University of Cambridge | |
| Felipe Andrade-Santos | Harvard-Smithsonian Center for Astrophysics | |
| Camille Avestruz | University of Chicago | |
| David Ballantyne | Georgia Institute of Technology | |
| Elizabeth Blanton | Boston University | |
| Becky Canning | KIPAC/Stanford University | |
| Chien-Ting Chen | The Pennsylvania State University | |
| Francesca Civano | SAO | |
| Ashkbiz Danehkar | Harvard-Smithsonian Center for Astrophysics | |
| Abe Falcone | Penn State University | |
| Francesca Fornasini | Harvard-Smithsonian Center for Astrophysics | |
| Elena Gallo | University of Michigan | |
| Danielle Gurgew | University of Alabama Huntsville | |
| Demosthenes Kazanas | NASA/GSFC | |
| Michael Koss | Eureka Scientific | |
| Erwin Lau | Yale University | |
| Adam Mantz | Stanford University | |
| Kyoko Matsushita | Tokyo University of Science | |
| Michael McDonald | MIT | |
| Beatriz Mingo | The Open University | |
| Takamitsu Miyaji | Universidad Nacional Autonoma de Mexico | |
| Daisuke Nagai | Yale University | |
| Ming Sun | University of Alabama in Huntsville | |
| Benny Trakhtenbrot | ETH Zurich | |
| Sara Turriziani | RIKEN, Japan | |
| Panayiotis Tzanavaris | NASA/GSFC-UMBC | |
| Stephen Walker | NASA/GSFC | |
| Reinout van Weeren | Harvard-Smithsonian Center for Astrophysics | |
| Cristian Vignali | University of Bologna | |