Membership
GSA Honors these 25-Year Members
NOTE: List shows only members reaching their anniversary this year (2009).
Fellows are shown in bold.
| Jonathan M. Achuff | David D. Adams | Antenor M. Aleman | Clark R. Alexander |
| E. Calvin Alexander, Jr. | James F. Allan | Sungat Troy Altis | Lee Amoroso |
| Thomas M. Anderson | Eve M. Arnold | James C. Ashleman | James K. Ashworth |
| Whitney J. Autin | Hannia Azuola Valls | Valerian Bachtadse | Dr. Jay L. Banner |
| Mary Jane Bartholomew | James S. Beard | Mark S. Beaufait | John W. Beck |
| Paul E. Belanger | Harvey E. Belkin | Jonathan H. Berg | Glenn W. Berger |
| Jack D. Beuthin | Marcia G. Bjornerud | Bruce N. Bjornstad | Timothy J. Bralower |
| Wendy D. Brindle | Daniel T. Britt | James G. Brophy | John P. Buchanan |
| Alan J. Busacca | Thomas A. Bush | Brian F. Butler | John O.D. Byrd |
| Thomas J. Calabrese | Debra S. Carey | Deborah J. Caskey | Sambhu Chaudhuri |
| Douglas S. Cherkauer | V. Collins Chew | Yee-Ping Chia | B. Neil Church |
| Diane Clemens-Knott | Ronald J. Clendening | Mark Cloos | Walter K. Conrad |
| Brian J. Cooper | Bruce H. Corliss | Bert N. Corwin | Nicholas C. Crawford |
| David L. Cremeens | James H. Cullen | Donald W. Curran | John S. Davis |
| Paul L. Decker | James M. DeGraff | Richard J. Diecchio | Craig Dietsch |
| Robert J. Dineen | Joseph A. DiPietro | Patrick F. Dobson | Allan Donaldson |
| Arthur D. Donovan | R. Nowell Donovan | Ronald I. Dorn | Russell F. Dubiel |
| Ernest M. Duebendorfer | Steven R. Dunn | Christopher J. Eastoe | James O. Eckert |
| Maya Elrick | Ronald L. Erickson | Roy E. Ervin | Douglas H. Erwin |
| Steven P. Esling | James E. Evans | Timothy J. Fagan | Mark D. Feigenson |
| Jonathan D. Fernald | Benjamin A. Ferrill | David A. Ferrill | Richard H. Fifarek |
| Robert P. Fillmore | Carol Finn | Lydia K. Fox | Mark W. Frye |
| Lisa R. Gaddis | Susan Garcia | Anne F. Gardulski | John I. Garver |
| Susan L. Gawarecki | Frank T. Gay | Terrence M. Gerlach | James A. Gibbs |
| John W. Gibson | Thomas E. Gill | Alan R. Gillespie | Ronald J. Goble |
| Steven A. Goldberg | Pamela J.W. Gore | John A. Grant | Garland A. Gray |
| Benjamin B. Greeley | John C. Greer | Jeffrey A. Grover | Thomas E. Guensburg |
| Edward A. Guinness | James W. Haggart | Debra L Hanneman | Jerome B. Hansen |
| Kenneth C. Hardcastle | Jennifer W. Harden | Anthony L. Harris | Joseph H. Hartman |
| David M. Harwood | Terrance Haviland | Frederick R. Heck | Jean T. Heinecke |
| Janet S. Herman | James P. Hibbard | John J. Hickey | John C. Hilburn |
| Christopher L. Hill | Mary Louise Hill | Nils G. Holm | Norman B. Holst |
| Susan D. Hovorka | Curtis M. Hudak | Neil F. Hurley | Gino A. Irdi |
| Solomon A. Isiorho | Robert C. Jachens | Martin P. A. Jackson | David K. Jacobs |
| Claudia C. Johnson | Arthur H. Johnson | Robert J. Kalin | Robert E. Kell |
| Keith I. Kelson | Jeffrey A. Kirtland | Kenneth P. Kodama | Mary J. Kraus |
| Charles W. Kreitler | Joseph M. Kruger | Kenneth W. Kuehn | Diane E. Lane |
| Vincent T. Larsen | Thomas S. Latham | Daniel E. Lawson | Jeffrey Lee |
| Maureen P. Leshendok | Gordon S. Lister | Juan M. Lorenzo | John N. Louie |
| Frederick K. Lutgens | Matthew A. Mabey | Jerry F. Magloughlin | Cathryn Allen Manduca |
| Margaret T. Mangan | Randall Marrett | Brian D. Marshall | Jonathan B. Martin |
| Steven R. May | Elizabeth A. McClellan | Michael McCurry | David L. McGee |
| E. Donald McKay | Donald F. McNeill | Jeff Meyer | M. Meghan Miller |
| Kula C. Misra | Gautam Mitra | Jeffrey M. Moore | Willard S. Moore |
| John W. Morse | Robert J. Moye | Emiliano Mutti | John E. Mylroie |
| H.S. Nance | Jay C. Nania | Wayne Narr | Peter G. Naumoff |
| Jay R. Neuhaus | Shlomo P. Neuman | Sandra G. Neuzil | Helen M. Nuckolls |
| Curtis Obi | Sharon B. OLoughlin | Erik E. Olsborg | Steven F. Olson |
| David A. Osleger | Don R. Owens | Elaine R. Padovani | Chris Paola |
| Randall W. Parkinson, PG | Larry Parmelee | Scott F. Perkins | William L. Power |
| Ricardo D. Presnell | Wayne D. R. Ranney | Michael G. Rasmussen | Anne Raymond |
| Michael J. Retelle | Stephen G. Reuter | Robert E. Reynolds | William B. Rhoad |
| Thomas L. Rice | Scott Rice-Snow | Stephen M. Richard | Hugh J. Rieck |
| Arthur C. Riese | Patrick P. Riley | Sue M. Rimmer | James M. Robertson |
| Scott E. Robinson | Cyril G. Rodrigues | Edward Rogers | Andrew H. Rorick |
| Gar W. Rothwell | John Rowland | Leigh H. Royden | Cassandra Runyon |
| Jeffrey G. Ryan | Masakatsu Sasada | Elizabeth R. Schermer | Jill S. Schneiderman |
| Christopher R. Scotese | Richard L. Sedlock | Bruce W. Selleck | Christine H. Siddoway |
| Donald I. Siegel | Stuart F. Simmons | Edward L. Simpson | Diana N. Solie |
| John F. Stamm | Jaye R. Stanley | Sigurdur Steinthorsson | George E. Stewart |
| Gary E. Strathearn | Danny F. Stropes | Sally J. Sutton | Stephen T. Sutton |
| Samuel E. Swanson | David R. Swenson | Dennis A. Sylvia | John P. Szabo |
| Edward J. Tarbuck | Richard W. Teixeira | Ellen Thomas | Joel B. Thompson |
| John N. Thompson | Robert C. Thunell | Terry L. Tolan | Jonathan L. Tso |
| Alistair R. Turner | Joanne C. Turner | Takashi Uchida | Johan C. Varekamp |
| Ana G. Vargo | Jeffrey David Vervoort | Roland Vinx | Peter J. Vrolijk |
| Richard J. Walker | John S. Warren | Ronald J. Wasowski | David K. Watkins |
| Robert H. Webb | Steven I. Weiss | James T. Wells | Michael L. Wells |
| Thomas N. Westervelt | Lisa D. White | Pamela A. K. Wilkinson | Dale A. Winkler |
| Michael C. Wizevich | Alan B. Woodland | Sarah R. Volungis Woodland | Grant R. Woodwell |
| Richard M. Wooten | Tad B. Yancheski | Sung-Hyo Yun |
For further information please contact GSA Sales and Service at gsaservice@geosociety.org, or call +1.888.443.4472.