The LAMBDA has evolved over the years. The following people have left the team, though in some cases they continue to contribute.
| Paul Butterworth | Archival data scientist (2002-2012) |
| David Chuss | Science lead (2011-2015) |
| Gary Hinshaw | Science lead (2002-2011) |
| David Larson | Archival data scientist (2007-2015) |
| Nils Odegard | Archival data scientist (2002-2022); In Memoriam |
| Eric Switzer | Science lead (2015-2022) |