IPUMS Staff

IPUMS is made possible through the collaboration of many talented and dedicated people. This listing includes current full-time research and IT/technical staff members. IPUMS also receives support from the ISRDI administrative team. For more comprehensive listings, including principal investigators, faculty researchers, advisory boards, student research assistants, and former staff, please see individual project staff pages.

Primary Contacts

Questions about IPUMS data and documentation should be directed to IPUMS User Support. Ideas for potential collaborations or other project-level questions may be directed to the project contacts.

IPUMS User Support: 

[email protected]

Director of IPUMS: 

Steve Ruggles ([email protected])

U.S. Microdata Projects

USA: Sarah Flood ([email protected])

CPS: Sara Flood ([email protected])

Time Use: Sarah Flood ([email protected])

NHIS and MEPS: Julia Rivera Drew ([email protected])

Higher Ed: Devon Kristiansen ([email protected])

International Microdata Projects

International: Lara Cleveland ([email protected])

Global Health: Devon Kristiansen ([email protected])

DHS: Miriam King ([email protected])

MICS: Anna Bolgrien ([email protected])

PMA: Etienne Breton ([email protected])

Aggregate-Spatial Projects

NHGIS: Jonathan Schroeder ([email protected])

IHGIS and Terra: Tracy Kugler ([email protected])

GeoMarker: David Van Riper ([email protected])

Links on each project name will take you to the more comprehensive project-specific staff page.

Research Staff

Daniel Backman, U.S. Microdata
Anna Bolgrien, International Microdata
Etienne Breton, U.S. Microdata
Derek Burk, International Microdata
Lara Cleveland, International Microdata
Grace Cooper, Sr. U.S. Microdata
Gretchen Corcoran, International Microdata
Julia Rivera Drew, U.S. Microdata
Daniel Ehrlich, International Microdata
Catherine Fitch, U.S. Microdata
Sarah Flood, U.S. Microdata
Amy Grotsun, User support
Miriam King, International Microdata
Katherine Knowles, Aggregate-Spatial
Devon Kristiansen, International Microdata
Tracy Kugler, Aggregate-Spatial
Jane Lee, International Microdata
Cheyenne Lonobile, U.S. Microdata
Rodrigo Lovaton Davila, International Microdata
Diana Magnuson, Curator and Historian
Nate Merrill, International Microdata
Mehr Munir, International Microdata
Matthew Nelson, U.S. Microdata
Nesile Ozder, U.S. Microdata
Stephanie Richards, U.S. Microdata
Finn Roberts, Aggregate-Spatial
Renae Rodgers, U.S. Microdata
Sula Sarkar, International Microdata
Jonathan Schroeder, Aggregate-Spatial & U.S. Microdata
Matthew Sobek, US & International Microdata
David Van Riper, Aggregate-Spatial
Kari Williams, User support 
Tsu Zhu,  Aggregate-Spatial
 

IT and Technical Staff

Poornendu Attupurath Narayanan, Data Team
Li Dai, IT Operations Team

Colin Davis, Data Team

Daniel Elbert, Product Team

Fran Fabrizio, IT Director

Phaedrus Goray, Product Team

Josiah Grover, Data Team
Riley Harper, Data Team

Kevin Horne, Data Team

Lap Huynh, Historical U.S. Census Team

Willy Lee, IT Operations Team Lead

Alex McWhinnie, Product Team Lead
Nikita Narendra Nayak, Data Team

Marcus Peterson, Product Team
Natalie Prittinen, Data Team Manager  

Casey Sass, Web Product Team

Kyohei Yazawa, Product Team