THE CHAIR’S AWARD
Congratulations to Mark Chisholm, CTSP
2025 Chair’s Award Recipient!
Third-generation ISA-certified arborist Mark Chisholm, of Aspen Tree Expert Company, was honored for his outstanding leadership, global impact and service to the industry. His expertise has made him a sought-after consultant and spokesperson who travels worldwide to collaborate with arborist associations, conduct educational sessions and strengthen professional standards.
Congratulations to Mark Chisholm, CTSP – 2025 Chair’s Award Recipient!
Third-generation ISA-certified arborist Mark Chisholm, of Aspen Tree Expert Company, was honored for his outstanding leadership, global impact and service to the industry. His expertise has made him a sought-after consultant and spokesperson who travels worldwide to collaborate with arborist associations, conduct educational sessions and strengthen professional standards.
2025 Winner is Mark Chisholm, CTSP
Past winners
- 2025 Mark Chisholm, CTSP
- 2024 Dave Scharfenberger
- 2023 Robert Bartlett Jr.
- 2020 Kevin Caldwell
- 2019 Peter Sortwell
- 2018 Saluting Branches
- 2017 Bill Weber
- 2016 Walter Money
- 2015 Peter Becker
- 2014 Chris Frank
- 2013 Howard Eckel
- 2012 Mark Garvin
- 2011 Terrill Collier
- 2010 Tony Gann
- 2009 Dr. Michael Raupp
- 2008 Bob Rouse
- 2007 Dave Zerfoss
- 2006 Penny Judd
- 2005 Cynthia Mills
- 2004 Jerry Morey
- 2003 Tom Tolkacz
- 2002 NAA Staff
- 2001 Robert A. Bartlett, Jr.
- 2000 Pat Felix and Peter Gerstenberger
- 1998 50-Year Member Companies: Alpine the Care of Trees, Inc.; Forest City Tree Protection Co., Inc.; Gustin Gardens Tree Service, Inc.; H. A. Morrison, Arborist; Ira Wickes / Arborists; K. P. Soergel & Associates, Inc.; Neville Landscape & Tree Service; Swingle Tree Company; Walgren Tree Experts, Inc.
- 1997 Peter Sortwell
- 1996 NAA Board
- 1995 Rusty Girouard
- 1994 NAA Staff