More information about ISA’s Awards Program is available here.
- 1998 — Robert W. Miller
- 1999 — Kim Coder
- 2000 — Bonnie Lee Appleton
- 2001 — J. James Kielbaso
- 2002 — H. Dennis P. Ryan, III
- 2003 — Ed Gilman
- 2004 — Alicia Chacalo-Hilu
- 2005 — Harvey Holt
- 2006 — Gary Johnson
- 2007 — Nelda Matheny, James R. Clark
- 2008 — Sharon J. Lilly
- 2009 — Lawrence Costello
- 2010 — John Ball
- 2011 — Thomas Green
- 2012 — Susan M. Murray, Tom Smiley
- 2013 — Mark Johnston
- 2014 — Brian Kane, Cathie Lavis
- 2015 — Nina Bassuk
- 2016 — Eric Wiseman
- 2017 — Zhu H. Ning
- 2018 — Ken Palmer and Rip Tompkins
- 2019 — Les Werner
- 2020 — František Smýkal
- 2021 — Chris Carlson
- 2022 — Laurie Newsham
- 2023 — Richard Hauer, Ph.D
- 2010 — Susan Day
- 2011 — Brian Kane
- 2012 — P. Eric Wiseman
- 2013 — Bryant Scharenbroch
- 2014 — Alessio Fini
- 2015 — Greg Dahle, Andrew Koeser
- 2016 — Tomas Martinez-Trinidad, Justin Morgenroth
- 2017 — Anders Busse Nielsen
- 2018 — Jess Vogt
- 2019 — Richard Harper
- 2020 — Lara Roman, Ph.D
- 2021 — Eric North
- 2022 — Andrew Loyd
- 2023 — Asia Dowtin, Ph.D
- Richard E. Abbott
- David R. Ahlum
- Lana J. Ahlum
- Scott Baker
- Colin Bashford
- Robert A. Bartlett, Jr.
- Robert N. Berlin
- Donald F. Blair
- Paul G. Blumhardt
- Denice F. Britton
- James Carse
- E. Caleb Bundy
- Barbara A. Chadwick
- James Chatfield
- Alan J. Cherry
- James R. Clark
- Kim D. Coder
- Terrill Collier
- Ralph H. Condy
- Alan D. Cook
- Yves Desmarais
- David F. DeVoto
- Daniel Diodati
- Julian Dunster
- Kevin K. Eckert
- Kenneth E. Finch
- Terrence P. Flanagan
- Yvon Fournier
- Timothy W. Gamma
- Steven D. Geist
- Laurence R. Hall
- Donald L. Ham
- Richard W. Harris
- Paul Harter
- David R. Hayner
- John R. Hendricksen
- Eugene B. Himelick
- Philip J. Hoefer
- George Hood
- Bailey O. Hudson
- Carl J.C. Jorgensen
- Steve Ketner
- J. James Kielbaso
- Gordon S. King
- Stephen A. King
- Paul Kobold
- William P. Kruidenier
- Lauren S. Lanphear
- Marc A. Laurin
- Sharon J. Lilly
- de Gourét Litchfield
- Lawrence R. Lose
- Charles L. Mathias
- William E. Matthews
- Robert C. McConnell
- Liam P. McKeown
- Mel Melnike
- Kenneth D. Meyer
- Frederick R. Micha
- Robert Miller
- Jerri Moorman
- John T. Moran
- Alexander C. Morris
- Ron A. Morrow
- Don Mueller
- Tom Mugridge
- Gary R. Mullane
- Dan Neely
- David G. Nielsen
- Dealga P. O’Callaghan
- Kenneth A. Ottman
- Robert E. Pletcher
- John Pronos
- Richard B. Rideout
- Bruce R. Roberts
- Mark Roberts
- Neil Rothenberg
- H. Dennis P. Ryan, III
- Julianne T. Schieffer
- Ralph C. Sievert, Jr.
- Alan R. Siewert
- Kenneth C. Simons
- John O. Smith
- Robert L. Tate
- Michael J. Walterscheidt
- Gary W. Watson
- Thomas J. Wiens
- Richard H. Yahner
- James W. Zampini
- John Signorini
- Steve Cothrel
- Lee Huss
- Tom Smiley
- Erik Swan
- 1975 — Bruce Roberts
- 1976 — T.T. Kozlowski
- 1977 — Brian R. Payne
- 1979 — Hugh Thompson
- 1980 — Clark O. Eads
- 1982 — Alden M. Townsend
- 1983 — Eugene B. Himelick, Dan Neely
- 1984 — J. James Kielbaso
- 1985 — Philip M. Wargo
- 1986 — David G. Nielsen
- 1987 — Frank S. Santamour
- 1988 — Elton M. Smith, Jr.
- 1989 — Whitney Cranshaw
- 1990 — Donald F. Schoenweiss
- 1991 — R.J. Stipes
- 1992 — Larry R. Schreiber
- 1993 — Gary W. Watson
- 1994 — Alex Shigo
- 1995 — Philip A. Barker
- 1996 — Richard W. Harris
- 1997 — James E. Klett
- 1998 — Claus Mattheck
- 1999 — Nina Bassuk
- 2000 — Gregory McPherson
- 2001 — Dirk Dujesiefken
- 2002 — Lawrence Costello
- 2003 — William Bramble, William Byrnes
- 2004 — Hartmut Balder
- 2005 — E. Thomas Smiley, Bruce R. Fraedrich
- 2007 — Ed Gilman
- 2008 — George H. Ware
- 2009 — Dan Struve
- 2010 — Francesco Ferrini
- 2011 — Ken James
- 2012 — Jason C. Grabosky
- 2013 — Cecil Konijnendijk
- 2014 — C.Y. Jim
- 2015 — David Nowak
- 2016 — Jennifer Juzwik
- 2017 — Susan Day
- 2018 — Richard Hauer
- 2019 — Daniel Herms
- 2020 — Glynn Percival, Ph.D
- 2021 — Anand Persad
- 2022 — Brian Kane
- 2023 — Andrew Koeser, Ph.D
- 2008 — Donald F. Blair
- 2009 — Rip Tompkins
- 2012 — Tobe Sherrill
- 2013 — Mark Chisholm, Peter Gerstenberger
- 2014 — Bruce Smith
- 2015 — Mark Bridge
- 2016 — Melissa LeVangie
- 2017 — de Gourét Litchfield
- 2018 — Samuel Ma
- 2019 — Dwayne Neustaeter
- 2020 — August Hoppe, Randy Krouse, Ben Reince, Jon Welch
- 2021 — Alexander Martin
- 2022 — Tim Bushnell
- 2023 — Eduardo Medina, John Coles
- 1987 — Jerri L. Moorman
- 1988 — Emile Desbiens
- 1989 — Kenneth A. Ottman, Betty Nelson
- 1991 — Robert Bartlett, Sr.
- 1992 — Sharon J. Lilly
- 1993 — Hyland R. Johns, Tom Smith
- 1994 — Dan Neely
- 1995 — William P. Kruidenier
- 1996 — Linda Meyer
- 1997 — Herschel Hale
- 1998 — John B. Ward
- 1999 — Eugene B. Himelick
- 2000 — George H. Ware, Virgil K. Howe
- 2001 — John C. Britton
- 2002 — Donald L. Ham
- 2003 — ISA Staff
- 2004 — Kenneth Carvell
- 2005 — AZ Public Service Forestry Team
- 2006 — Bob Haines
- 2007 — Western Chapter
- 2008 — Edwin E. Irish
- 2009 — Susan, Will, and Clare Lanphear
- 2010 — Frank Gamma
- 2011 — Tom Gamma
- 2012 — Nelda Matheny
- 2013 — ISA Staff
- 2014 — Julien Dunster, Sharon Lilly, Nelda Matheny, and Tom Smiley
- 2015 — David James
- 2016 — Adolfo Sánchez García and Ana Cristina Cuervo Ramírez
- 2017 — All ISA Volunteers
- 2018 — Owen Croy
- 2019 — Brian Kane
- 2020 — Rebecca Johnson
- 1963 — P.P. Pirone, Cynthia Westcott, Fred R. Kilner, Joseph F. Williamson, Donald Wyman
- 1964 — Donald S. Welch, Richard Fenska, Thomas Stevenson
- 1965 — Lois Wilson, Ralph D. Cornell, Mrs. John L. Faust
- 1966 — Rush P. Marshall, Clarence E. Lewis, Maunsell Van Rensselaer
- 1967 — Spencer H. Davis, Jr., Curtis May
- 1968 — Paul E. Tilford, L.C. Chadwick, Ray R. Hirt, Noel Wysong, H. Gleason Matton
- 1969 — Fred C. Galle, George W. Kelley, Mildred E. Mathias, Elizabeth McClintok, Rene Pomerleau, Victor H. Ries
- 1970 — Albert E. Dimond, Erik Jorgensen, Edward H. Scanlon
- 1971 — T.T. Kozlowski, J. Cedric Carter
- 1972 — George H. Hepting, Leslie L. Laking
- 1973 — William B. Becker, Will Beittel
- 1974 — Dan Neely
- 1975 — Richard J. Campana, Hugh Johnson
- 1977 — Malcolm C. Shurtleff
- 1978 — Richard W. Harris, John W. Andresen
- 1979 — Eugene B. Himelick, J. James Kielbaso
- 1980 — Francis W. Holmes, Frank S. Santamour, Lester P. Nichols
- 1981 — James Rocca, Bruce Roberts, Arthur R. Buckley
- 1982 — Elton M. Smith, Jr., Clifford S. Chater
- 1983 — Larry R. Schreiber, John F. Anderson, Terry A. Tattar
- 1984 — Douglas Chapman
- 1988 — Harry J. Banker
- 1989 — Barrie Coate
- 1990 — Gary Moll
- 1991 — Warren T. Johnson
- 1992 — Charles Powell
- 1993 — Wayne Sinclair
- 1995 — Robert W. Miller
- 1996 — William Chaney
- 1997 — James R. Fazio
- 1998 — Nelda Matheny, James R. Clark
- 1999 — Ed Gilman
- 2000 — E. Thomas Smiley
- 2001 — Donald F. Blair
- 2002 — Gary W. Watson
- 2003 — Christian Tomiczek
- 2004 — Sharon J. Lilly
- 2005 — Randall H. Miller
- 2006 — George Hudler
- 2007 — Kim Coder
- 2008 — Harvey Holt
- 2010 — Don Hodel
- 2011 — Dave Nowak
- 2012 — Michael J. Raupp
- 2013 — Daniel Herms
- 2014 — Michael Dirr
- 2015 — Chris Luley
- 2016 — David Lonsdale
- 2017 — Andrew Koeser
- 2018 — A. James Downer
- 2019 — Julian Dunster
- 2020 — Linda Chalker-Scott, Ph.D
- 2021 — Tomas Martinez-Trinidad
- 2022 — Mark Johnston
- 2023 — Nancy Sonti, Ph.D
- 1994 — Niels Hvass
- 1995 — Roger Garrigue
- 1996 — Sharon J. Lilly
- 1997 — Eric Ulrich
- 1998 — Larry Holkenborg, Pat Mahoney
- 1999 — Genni Cross
- 2000 — Luis Moreno
- 2001 — Timothy M. Walsh
- 2002 — Karl Parker
- 2003 — Hyland R. Johns
- 2004 — Richard E. Abbott
- 2005 — Pavel Svihra
- 2006 — Bryan Kotwica
- 2007 — Richard Herfurth
- 2008 — Derek Vannice
- 2009 — Kim Coder
- 2011 — Lauren Lanphear
- 2012 — Pedro Mendes Castro
- 2013 — James Urban
- 2014 — Scott Prophett
- 2015 — Richard Harper
- 2016 — George Gonzalez
- 2017 — Y. Star Huang
- 2018 — Melinda Jones
- 2019 — Jim Clark
- 2020 — Norm Easey
- 2021 — Cecil Konijinendijk van den Bosch
- 2023 — Andres Ochoa, John Giedraitis
- 1963 — Paul E. Tilford, Rush P. Marshall, L.C. Chadwick, Norman Armstrong, Charles F. Irish
- 1964 — Homer L. Jacobs
- 1965 — Donald S. Welch
- 1966 — Ray R. Hirt
- 1967 — Hon. Harold E. Hughes, Lady Bird Johnson
- 1968 — F. Earle Martin, Spencer H. Davis, Jr., C. Elmer Lee
- 1969 — Hackett C. Wilson, Olaf J. Anderson, Mrs. Valley M. Knudsen
- 1970 — Edward P. Cliff, Pres. Richard M. Nixon, John C. Swartley
- 1971 — Noel Wysong, Clarence E. Lewis, John P. Hansel, J. Irwin Miller
- 1972 — Harry J. Banker, John Z. Duling, Herman S. Porter
- 1973 — Albert W. Meserve, Keith L. Davey, H. Neil Engledow
- 1974 — Richard W. Harris
- 1975 — Gordon S. King
- 1976 — Edgar G. Rex
- 1977 — Alex Shigo
- 1978 — William J. Griffin
- 1979 — Wilfred Wheeler, Jr.
- 1980 — P.P. Pirone
- 1981 — Leonard Hammerstone, Roy M. Nordine
- 1983 — Richard P. White
- 1984 — Jack A. Kimmel
- 1985 — Malcolm McKenzie
- 1986 — Yvon Fournier
- 1987 — T.T. Kozlowski
- 1988 — Oscar P. Stone
- 1989 — Eugene B. Himelick
- 1990 — Robert W. Skiera
- 1991 — John Weidhaas
- 1992 — Michael J. Walterscheidt
- 1993 — Francis W. Holmes
- 1994 — Donald L. Ham
- 1995 — Robert N. Berlin
- 1996 — Robert C. McConnell
- 1997 — Robert Felix
- 1998 — Niels Hvass
- 1999 — Kenneth D. Meyer
- 2000 — Nelda Matheny
- 2001 — Robert W. Miller
- 2002 — Laurence R. Hall
- 2003 — Kenneth A. Ottman
- 2004 — Dwayne M. Carter
- 2005 — Eugene B. Eyerly
- 2006 — James B. Ingram
- 2007 — James Rocca
- 2008 — Allan West
- 2009 — Mark Johnston
- 2010 — Richard B. Rideout
- 2011 — Mark Hartley
- 2012 — H. Dennis P. Ryan III
- 2013 — Gregory Daniels
- 2014 — Kim Coder
- 2015 — Daniele Zanzi
- 2016 — Ed Gilman, Sharon Lilly
- 2017 — Rex Bastian
- 2018 — Bruce Fraedrich
- 2019 — Francesco Ferrini
- 2020 — Gary Watson, Ph.D
- 2021 — Tom Smiley
- 2022 — James Clark
- 2023 — Steven Geist
- 2009 — Sandy Clark, Gerard Fournier, Edward Hopkins, Dave Leonard, Harold Spiegel, Dennis Swartzell, Philip van Wassenaer
- 2010 — Bill Fountain, Steve Geist, Tanja Grmovsek, Scott Prophett, Mike Robinson
- 2011 — Richard Adkins, Gordan Mann, Carl Mellinger, Casey Combs, Mike Galvin, Tim Womick, William Spradley
- 2012 — Tim Kastning, Bruce Kreitler, William Logan, Donald Picker, Robert Springer
- 2013 — Terrill Collier, Richard Herfurth, Scott Liudahl, James McCready, Edward Milhous
- 2014 — Chris Ahlum, Andrew Dahl, Richard Gibney, Mark Hoenigman, Steve Nimz
- 2015 — James Allen, Paul Revell, Ernest Rezents
- 2016 — Carlos Roberto Anaya, Mark Duntemann, Kevin Eckert, Paul Johnson, Robert Reid, Dave Scharfenberger, Gregg Staniforth, Dave Story
- 2017 — Scott Altenhoff, Ken Almstead, Jim Barborinas, Joel Greifenberger, Terry Flanagan
- 2018 — Nate Faris, Linden Lampman, Bob Redman, Frances Reidy, Angela Margarita Villademoros
- 2019 — Rob Calley, Ann Koenig, Mark Roberts, Gilbert and Lesley Smith, Andrew Trotter
- 2020 — Iris Magaly Zayas, Jim Cortese, Natalie McNeill, Timothy Zastrow, Trevor Hall
- 2021 — Arnold Brodbeck, Michael Neal, Todd Reese, Kingsley Choi, Bradley Petree, Rachel Barker
- 2022 — Carmine Serpe, Allen Taylor, Amory Ngan, Deborah Green
- 2023 — Carlos Llanos-Rojas, Elden LeBrun, Lola Lewis, Mike Gorham, Tom Franek
- 1976 — Tom Gosnell, Western (US)
- 1977 — Tom Smith, Western (US)
- 1978 — Sam Noonan, Western (US)
- 1979 — Sam Noonan, Western (US)
- 1980 — Paul Harlow, New England (US)
- 1981 — Bob Hunter, Western (US)
- 1982 — Bob Hunter, Western (US)
- 1983 — Bob Maltby, New England (US)
- 1984 — Rick Husband, Texas (US)
- 1985 — Steve Bannan, Penn-Del (US)
- 1986 — Craig Cutler, New Jersey (US)
- 1989 — Bob Weber, Penn-Del (US)
- 1990 — Greg Clemens, Ohio (US)
- 1991 — Ken Palmer, New England (US)
- 1992 — Bob Weber, Penn-Del (US)
- 1993 — Ken Palmer, New England (US)
- 1994 — Jim Harris, Pacific Northwest (US)
- 1995 — Ken Palmer, New England (US)
- 1996 — Rip Tompkins, New England (US)
- 1997 — Mark Chisholm, New Jersey (US)
- 1998 — Michael Cotter, Mid-Atlantic (US)
- 1999 — Bernd Strasser, Germany/Austria
- 2000 — Bernd Strasser, Germany/Austria
- 2001 — Mark Chisholm, New Jersey (US); Christina Engel, Germany/Austria
- 2002 — Bernd Strasser, Germany; Wenda Li, Ontario (Canada)
- 2003 — Bernd Strasser, Germany; Kiah Martin, Australia
- 2004 — Bernd Strasser, Germany; Kathy Holzer, Pacific Northwest (US)
- 2005 — Dan Kraus, Pacific Northwest (US); Chrissy Spence, New Zealand
- 2006 — Bernd Strasser, Germany; Eléna O’Neill, New Zealand
- 2007 — Bernd Strasser, Germany; Chrissy Spence, New Zealand
- 2008 — Bernd Strasser, Germany; Josephine Hedger, UK/ Ireland
- 2009 — Jared Abrojena, Western (US); Anja Erni, Switzerland
- 2010 — Mark Chisholm, New Jersey (US); Josephine Hedger, UK/ Ireland
- 2011 — Scott Forrest, New Zealand; Chrissy Spence, New Zealand
- 2012 — Bernd “Beddes” Strasser, Germany; Veronika Ericsson, Sweden
- 2013 — Scott Forrest, New Zealand; Nicala Ward-Allen, New Zealand
- 2014 — Scott Forrest, New Zealand; Josephine Hedger, UK/Ireland
- 2015 — James Earhart, Mid-Atlantic (US); Jamilee Kempton, Western (US)
- 2016 — James Kilpatrick, New Zealand; Chrissy Spence, New Zealand
- 2017 — James Kilpatrick, New Zealand; Chrissy Spence, New Zealand
- 2018 — James Kilpatrick, New Zealand; Krista Strating, Ontario
- 2019 — Scott Forrest, New Zealand; Josephine Hedger, UK/Ireland
- 2022 — Barton Allen-Hall, Australia; Josephine Hedger, UK/Ireland
- 2023 — Barton Allen-Hall, Australia; Josephine Hedger, UK/Ireland