President Elect:
Randy Cook (515) 281-5600
Randy.Cook@dnr.state.ia.us

Past President:
John Walkowiak (515)242-5966 
john.walkowiak@dnr.state.ia.us

Secretary:
Mark Dungan (515) 252-0684 
mldungan@mchsi.com

Treasurer:
Terry Griffith (319) 927-2151 
tgriffith@prosourceone.com

ISA Liaison:
Jeff Iles  (515) 294-0029 
iles@iastate.edu

Northwest Representative:
Greg Thede (515) 432-6454 
gthede@city.boone.ia.us

Northeast Representative:
Andy Dahl  (319) 653-6328 
andrew-dahl@uiowa.edu

Southwest Representative:
Jay Coons (515) 285-7200 
jay@jctrees.com

Southeast Representative:
Mark Vitosh (319) 358-0888
mark.vitosh@dnr.state.ia.us

Representative at Large:
Guy Gibson 319-828-4220 
gibson1865@juno.com

Representative at Large:
Larry Anderson (712)246-2226 
arbor@heartland.net

The purpose of the I.A.A. shall be to foster an appreciation for the 
Iowa tree community, to increase interest in planting and caring for 
shade and ornamental trees, to promote the science and practice of 
professional arboriculture and to encourage public education.