By Institution

Over 15 institutions across the globe collaborate on COSI. The people working on the project are listed below, arranged by institution.

UC Berkeley Space Sciences Laboratory

• Management (WBS1)
  • Joel Krajewski (Project Manager), Ellen Taylor (Deputy PM), Mary Ann Young, Sharmin Hossainy, Erica Hissom
• Systems Engineering (WBS2)
  • Ellen Taylor (Project Systems Engineer), Anna Butterworth, Sasha Courtade
• Safety & Mission Assurance (WBS3)
  • John Grinold (Mission Assurance Manager), John McBride, Ruth Borrud
• Science (WBS4)
  • John Tomsick (Principal Investigator), Andreas Zoglauer (Project Scientist), Field Rogers, Robin Anthony-Petersen, Samer Al Nussirat, Nicole Rodriguez Cavero, Felix Hagemann
• Payload (WBS5.1)
  • Hannah Goldberg (Payload Manager)
• Payload Systems (WBS5.2)
  • Greg Dalton, Alex Lowell (Instrument System Engineer)
• Detectors (WBS5.3)
• Front-End Electronics (WBS5.4)
  • Chris Perkins
• Cryostat (WBS5.5)
  • Chris Smith, Brad Pafchek, Matt Rubly, Hilary Brunner, Van Shourt
• Electronics/Flight Software (WBS5.7 and WBS5.8)
  • Dave Curtis, Josh Forgione, Sophia Brunner, Ben Chainey, Matt Fraysse, Fernando Padilla, Ian Heetderks, Rachel Hochman, Neli Montalvo, Aldo Aguilar, Matt Dexter
• Integration & Testing (WBS5.12)
  • Brent Mochizuki, Caytyn Abono, Alex Bixler, Scott Candey, Chris Moeckel
• Mission Operations (WBS7)
  • John McDonald, Abhi Tripathi, Dan Cosgrove, Bryce Roberts, Mark Lewis, Erik Castellanos-Vasquez, Ben Bresler, Warren Rexroad, Sathya Selvam
• Ground Systems (WBS9)
  • Tori Fae, Wing Yeung Ma
• Technicians
  • Yvette Irwin, David Gallegos, Leia McQueen, Kevin Zamani
• Student Collaboration
  • Juan Carlos Martinez Oliveros, Hannah Gulick, Shunsaku Nagasawa, Chris Moeckel, Matt Dexter
• Science Enhancement Option
  • Pascal Saint-Hilaire
• Alumni (as of 7/5/26): Pooneh Zehtabfard, Matt Lassiter, Sharon Jelinsky, David Sundqvist, Morgan Burks, Will Rachelson, Amanda Slagle, Peter Berg, Bill Gies, Irene Rosen

Naval Research Laboratory

• Front End Electronics (WBS5.4) and Anticoincidence Subsystem (WBS5.6)
  • Eric Wulf (NRL PI), Sheleen Spencer (NRL PM), Clio Sleator (Lead Scientist – FEE), Lee Mitchell (Lead Scientist – ACS), Alena Thompson, Mary Johnson-Rambert, Thuy Dao, Nestor Arellano, Kwok Cheung, John Walnut, Gianluigi De Geronimo, Jake Levinrad, Alexis Lane, Patrick Daniels, Harry Armstrong, Devin Ridge, Hunter Anderer, Yandrie Oyarzabal, Eric Tiraco, Dallas Zurcher, Isabella Chavis, Karla Onate Melecio
• Alumni (as of 7/5/26): Cosimos Cendos

Goddard Space Flight Center

• Cryostat Heat Removal Subsystem (WBS5.10)
  • Albert Shih (GSFC PI), Sergey Semenov, Stuart Banks, Hak Seung Lee
• Science Pipeline and Archiving (WBS4 and WBS9)
  • Carolyn Kierans (Pipeline co-lead and Positron subgroup lead), Toni Venters (Mission Scientist) Chris Karwin, Eliza Neights (also George Washington University), Haocheng Zhang, Israel Martinez Castellanos, Maíra Dutra, Tyler Parsotan, Zorawar Wadiasingh, Sujay Mate, George Younes, Nicolas Lopez (also George Washington University)

Northrop Grumman

• Spacecraft (WBS6)
  • Management (WBS 6.1)
    • Anjali Mehra (Spacecraft Manager), Claudia Proctor, Avelina De La Rosa, Kim Lohmann, Gary Duchnowski, Stephen Lee, Ash Madan, Michele Popaden
  • Systems Engineering (WBS 6.2)
    • Ryan Tyler, Jon Williams, Alex Morrissey
  • Safety & Mission Assurance (WBS 6.3)
    • Mike Curtis, Mike Miller, Olivia Ragland, Elizabeth Hartmann, Joe Taylor
  • Mechanical System (WBS 6.4)
    • Mark Siembab, Steven Brown, Kevin Moreno, Gordon McAlpine
  • Thermal System (WBS 6.5)
    • Kyle Mason, Neal Ericksen
  • Power System (WBS 6.6)
    • Pawel Tlomak, Jeff Evans, Matt Mahan, Charles Zhu, Justin Argauer, Michelle Prisbe, Christopher Bryan
  • Harness (WBS 6.7)
    • Eric Hinton, Joseph Andreen
  • Command & Data Handling System (WBS 6.8)
    • Angelo Espiritu, Lynne Cannon
  • Telecommunications System (WBS 6.9)
    • Andrew Bazergui
  • Attitude Control and Determination System (WBS 6.10)
    • Jeff Perez, Caswell Bennett, Colin Driscoll
  • Flight Software (WBS 6.11)
    • Ruyi Sun, John Hueber
  • Simulation/Test Beds (WBS 6.12)
    • Holly Bayne (Flatsat), John Schappe (Simulation), Eric Meinecke, Anthony Rodriguez, Trevor Dawideit
  • Integration & Test (WBS 6.14, WBS 10)
    • Tim Wiegand (I&T Manager)
  • Manufacturing Oversight
    • Kristin Kong
  • Alumni (as of 7/5/26): Grant Roth
• Structures (WBS5.9)
  • Rich Rynders

Space Dynamics Laboratory

• Scheduling and Earned Value Management (WBS1)
  • Deseree Wyatt
• Electronics and Payload I&T (WBS5.8 and WBS5.12)
  • Curtis Bingham, Mike Watson, James Cook (DCB), Billy Hatch (PSM), Dana Sorensen (FPGA), Camille Tischner (FPGA), Karl Hunter (Mechanical Design)

University of California, San Diego

• Science Pipeline and Calibration (WBS4)
  • Steven Boggs (Deputy PI and Calibration Lead), Jarred Roberts, Gabriel Bridges, Sophia Haight, Aravind Valluvan, Julian Gerber, Emily Broadbent

Italian Space Agency (ASI) and INAF

• Malindi Ground Station and Science Pipeline
  • Elisabetta Cavazzuti, Andrea Bulgarelli, Fabrizio Tavecchio, Valentina Fioretti, Giancarlo Ghirlanda, Francesco Fenu, Alex Ciabattoni, Gabriele Panebianco, Lara Di Gesu, Nicolò Parmiggiani, Valerio D’Elia, Sara Cutini, Stefano Germani

Launch Planning and Implementation

• NASA Launch Services: Jen Nufer, Stephen Way
• SpaceX: Matt Constantino, Logan Lewis
• Launch Site: Donnie Gates

Clemson University

• Science Team
  • Dieter Hartmann, Mark Leising, Marco Ajello (Extragalactic subgroup lead), Yong Sheng, Dhruv Bal, Hugh Bates, Nikita Khatiya, Srinadh Bhavanam, Parshad Patel

Louisiana State University

• Science Team
  • Eric Burns (GRB subgroup lead), Michela Negro, Catherine Deibel, David Palmore, Garrett Latiolais, Emily Reiley

Lawrence Berkeley National Lab

• Germanium Detectors (WBS5.3)
  • Joanna Szornel, Nowzesh Hasan, Victor Negut, Adan Esparza

JMU/Würzburg and JGU/Mainz, Germany

• Science Team and Science Pipeline
  • Thomas Siegert (Nucleosynthesis subgroup lead), Uwe Oberlack, Hiroki Yoneda, Jan Lommler, Laura Eisenberger, Saruabh Mittal, Savitri Gallego, Pascal Janowski, Haoyu “Jack” Xie, Rudi Reinhardt

IRAP, France

• Science Team and ACS consulting
  • Pierre Jean, Peter von Ballmoos, Julien Malzac (Galactic subgroup lead), Jürgen Knödlseder

Kavli IPMU and Nagoya University, Japan

• Science Team and Student Collaboration
  • Tadayuki Takahashi (Dark Matter subgroup lead), Kazuhiro Nakazawa, Shigeki Matsumoto, Tom Melia, Aya Bamba, Keigo Okuma, Yu Watanabe, Satoshi Takashima

NTHU, Taiwan

• Science Team
  • Hsiang-Kuang Chang, Chien-You “Jason” Huang, Kaustubha Sen, Koothodil Abhijith “Abhi” Augustine

Science Team Members at Other Institutions

• Alan Marscher, Argen Detoito, Ben Safdi, Chris Fryer, Hadar Lazar, Hamta Farrokhi, Henric Krawczynski, Igor Moskalenko, Krishna Vedula, Kun Hu, Lea Marcotulli, Peter Veres, Tiffany Lewis, Chris Done, Francesca Calore, Haoyu “Jack” Xie, Hester Schutte, Ivan Agudo, Jorge Otero Santos, Katarzyna Nowak, Lente Dreyer, Maria Ravasio, Markus Ackermann, Markus Böttcher, Martin Krause, Pascal Serpico, Sara Buson, Svetlana Jorstad, Che-Yen “Jimmy” Chu, Aaron Trigg, Niccolò di Lalla, Nicola Omodei, Tulun Ergin
• Alumni: Jacob Smith

Photos