View Committee | American Society of Agronomy Skip to main content


Members & Certified Professionals: Log in to view email addresses of committee members

2026

A - Texas CCA Board


Past Chair
Overstreet, Kaj Erik
Term: Jan 01, 2024 - Dec 31, 2026
Send message to Kaj Erik Overstreet


2025

A - Texas CCA Board


Past Chair
Overstreet, Kaj Erik
Term: Jan 01, 2024 - Dec 31, 2026
Send message to Kaj Erik Overstreet

Chair
Schuster, Greta
Term: Jan 01, 2024 - Dec 31, 2025
Send message to Greta Schuster

Member
Baughman, Todd A.
Term: Jan 01, 2023 - Dec 31, 2025
Send message to Todd Baughman

Member
Mock, Greg A.
Term: Jan 01, 2023 - Dec 31, 2025
Send message to Greg Mock

Member
Townsend, Matthew R.
Term: Jan 01, 2023 - Dec 31, 2025
Send message to Matthew Townsend

Member, Ex Officio
Dippel, Donnie
Term: Jan 01, 2006 - Dec 22, 2025
Send message to Donnie Dippel


2024

A - Texas CCA Board


Past Chair
Overstreet, Kaj Erik
Term: Jan 01, 2024 - Dec 31, 2026
Send message to Kaj Erik Overstreet

Chair
Schuster, Greta
Term: Jan 01, 2024 - Dec 31, 2025
Send message to Greta Schuster

Member
Baughman, Todd A.
Term: Jan 01, 2023 - Dec 31, 2025
Send message to Todd Baughman

Member
Mock, Greg A.
Term: Jan 01, 2023 - Dec 31, 2025
Send message to Greg Mock

Member
Townsend, Matthew R.
Term: Jan 01, 2023 - Dec 31, 2025
Send message to Matthew Townsend

Member, Ex Officio
Dippel, Donnie
Term: Jan 01, 2006 - Dec 22, 2025
Send message to Donnie Dippel


2023

A - Texas CCA Board


Member
McVane, Jodie M.
Term: Jan 01, 2023 - Apr 01, 2023
Send message to Jodie McVane

Member
Baughman, Todd A.
Term: Jan 01, 2023 - Dec 31, 2025
Send message to Todd Baughman

Member
Mock, Greg A.
Term: Jan 01, 2023 - Dec 31, 2025
Send message to Greg Mock

Member
Townsend, Matthew R.
Term: Jan 01, 2023 - Dec 31, 2025
Send message to Matthew Townsend

Chair
Overstreet, Kaj Erik
Term: Jan 01, 2020 - Dec 31, 2023
Send message to Kaj Erik Overstreet

Member, Ex Officio
Dippel, Donnie
Term: Jan 01, 2006 - Dec 22, 2025
Send message to Donnie Dippel


2022

A - Texas CCA Board


Chair
Overstreet, Kaj Erik
Term: Jan 01, 2020 - Dec 31, 2023
Send message to Kaj Erik Overstreet

Vice Chair
McVane, Jodie M.
Term: Jan 01, 2020 - Dec 31, 2022
Send message to Jodie McVane

Member
Engelke, Tom
Term: Jan 01, 2020 - Dec 31, 2022
Send message to Tom Engelke

Member, Ex Officio
Dippel, Donnie
Term: Jan 01, 2006 - Dec 22, 2025
Send message to Donnie Dippel


2021

A - Texas CCA Board


Chair
Overstreet, Kaj Erik
Term: Jan 01, 2020 - Dec 31, 2023
Send message to Kaj Erik Overstreet

Vice Chair
McVane, Jodie M.
Term: Jan 01, 2020 - Dec 31, 2022
Send message to Jodie McVane

Member
Engelke, Tom
Term: Jan 01, 2020 - Dec 31, 2022
Send message to Tom Engelke

Member
Dozier, Monty
Term: Jan 01, 2019 - Dec 31, 2021
Send message to Monty Dozier

Member, Ex Officio
Dippel, Donnie
Term: Jan 01, 2006 - Dec 22, 2025
Send message to Donnie Dippel


2020

A - Texas CCA Board


Chair
Overstreet, Kaj Erik
Term: Jan 01, 2020 - Dec 31, 2023
Send message to Kaj Erik Overstreet

Vice Chair
McVane, Jodie M.
Term: Jan 01, 2020 - Dec 31, 2022
Send message to Jodie McVane

Member
Engelke, Tom
Term: Jan 01, 2020 - Dec 31, 2022
Send message to Tom Engelke

Member
Dozier, Monty
Term: Jan 01, 2019 - Dec 31, 2021
Send message to Monty Dozier

Member, Ex Officio
Dippel, Donnie
Term: Jan 01, 2006 - Dec 22, 2025
Send message to Donnie Dippel


2019

A - Texas CCA Board


Member
Dozier, Monty
Term: Jan 01, 2019 - Dec 31, 2021
Send message to Monty Dozier

Chair
Hebert, Mark Thomas
Term: Jan 01, 2017 - Dec 31, 2019

Member, Ex Officio
Dippel, Donnie
Term: Jan 01, 2006 - Dec 22, 2025
Send message to Donnie Dippel


2018

A - Texas CCA Board


Chair
Hebert, Mark Thomas
Term: Jan 01, 2017 - Dec 31, 2019

Member
Durham, William Hal
Term: Jan 01, 2014 - Dec 31, 2018
Send message to William Durham

Member
Overstreet, Kaj Erik
Term: Jan 01, 2014 - Dec 31, 2018
Send message to Kaj Erik Overstreet

Member, Ex Officio
Dippel, Donnie
Term: Jan 01, 2006 - Dec 22, 2025
Send message to Donnie Dippel


2017

A - Texas CCA Board


Chair
Hebert, Mark Thomas
Term: Jan 01, 2017 - Dec 31, 2019

Member
Durham, William Hal
Term: Jan 01, 2014 - Dec 31, 2018
Send message to William Durham

Member
Overstreet, Kaj Erik
Term: Jan 01, 2014 - Dec 31, 2018
Send message to Kaj Erik Overstreet

Member
Dozier, Monty
Term: Jan 01, 2014 - Dec 31, 2017
Send message to Monty Dozier

Member
Engelke, Tom
Term: Jan 01, 2014 - Dec 31, 2017
Send message to Tom Engelke

Member
Hyman, Bill
Term: Jan 01, 2014 - Dec 31, 2017
Send message to Bill Hyman

Member
Martin, Larry Dale
Term: Jan 01, 2014 - Dec 31, 2017
Send message to Larry Martin

Member
Schuster, Greta
Term: Jan 01, 2014 - Dec 31, 2017
Send message to Greta Schuster

Member, Ex Officio
Dippel, Donnie
Term: Jan 01, 2006 - Dec 22, 2025
Send message to Donnie Dippel


2016

A - Texas CCA Board


Member
Durham, William Hal
Term: Jan 01, 2014 - Dec 31, 2018
Send message to William Durham

Member
Overstreet, Kaj Erik
Term: Jan 01, 2014 - Dec 31, 2018
Send message to Kaj Erik Overstreet

Member
Dozier, Monty
Term: Jan 01, 2014 - Dec 31, 2017
Send message to Monty Dozier

Member
Engelke, Tom
Term: Jan 01, 2014 - Dec 31, 2017
Send message to Tom Engelke

Member
Hyman, Bill
Term: Jan 01, 2014 - Dec 31, 2017
Send message to Bill Hyman

Member
Martin, Larry Dale
Term: Jan 01, 2014 - Dec 31, 2017
Send message to Larry Martin

Member
Schuster, Greta
Term: Jan 01, 2014 - Dec 31, 2017
Send message to Greta Schuster

Chair
Hebert, Mark Thomas
Term: Jan 01, 2014 - Dec 31, 2016

Member, Ex Officio
Dippel, Donnie
Term: Jan 01, 2006 - Dec 22, 2025
Send message to Donnie Dippel


2015

A - Texas CCA Board


Member
Durham, William Hal
Term: Jan 01, 2014 - Dec 31, 2018
Send message to William Durham

Member
Overstreet, Kaj Erik
Term: Jan 01, 2014 - Dec 31, 2018
Send message to Kaj Erik Overstreet

Member
Dozier, Monty
Term: Jan 01, 2014 - Dec 31, 2017
Send message to Monty Dozier

Member
Engelke, Tom
Term: Jan 01, 2014 - Dec 31, 2017
Send message to Tom Engelke

Member
Hyman, Bill
Term: Jan 01, 2014 - Dec 31, 2017
Send message to Bill Hyman

Member
Martin, Larry Dale
Term: Jan 01, 2014 - Dec 31, 2017
Send message to Larry Martin

Member
Schuster, Greta
Term: Jan 01, 2014 - Dec 31, 2017
Send message to Greta Schuster

Chair
Hebert, Mark Thomas
Term: Jan 01, 2014 - Dec 31, 2016

Member
Griffin, John R.
Term: Jan 01, 2012 - Dec 31, 2015
Send message to John Griffin

Member, Ex Officio
Dippel, Donnie
Term: Jan 01, 2006 - Dec 22, 2025
Send message to Donnie Dippel


2014

A - Texas CCA Board


Member
Durham, William Hal
Term: Jan 01, 2014 - Dec 31, 2018
Send message to William Durham

Member
Overstreet, Kaj Erik
Term: Jan 01, 2014 - Dec 31, 2018
Send message to Kaj Erik Overstreet

Member
Dozier, Monty
Term: Jan 01, 2014 - Dec 31, 2017
Send message to Monty Dozier

Member
Engelke, Tom
Term: Jan 01, 2014 - Dec 31, 2017
Send message to Tom Engelke

Member
Hyman, Bill
Term: Jan 01, 2014 - Dec 31, 2017
Send message to Bill Hyman

Member
Martin, Larry Dale
Term: Jan 01, 2014 - Dec 31, 2017
Send message to Larry Martin

Member
Schuster, Greta
Term: Jan 01, 2014 - Dec 31, 2017
Send message to Greta Schuster

Chair
Hebert, Mark Thomas
Term: Jan 01, 2014 - Dec 31, 2016

Member
Kreig, Dan
Term: Jan 01, 2014 - Dec 31, 2014

Member
Rivera, Randy
Term: Jan 01, 2014 - Dec 31, 2014
Send message to Randy Rivera

Member
Griffin, John R.
Term: Jan 01, 2012 - Dec 31, 2015
Send message to John Griffin

Member, Ex Officio
Dippel, Donnie
Term: Jan 01, 2006 - Dec 22, 2025
Send message to Donnie Dippel


2013

A - Texas CCA Board


Member
Griffin, John R.
Term: Jan 01, 2012 - Dec 31, 2015
Send message to John Griffin

Member, Ex Officio
Dippel, Donnie
Term: Jan 01, 2006 - Dec 22, 2025
Send message to Donnie Dippel


2012

A - Texas CCA Board


Member
Griffin, John R.
Term: Jan 01, 2012 - Dec 31, 2015
Send message to John Griffin

Member, Ex Officio
Dippel, Donnie
Term: Jan 01, 2006 - Dec 22, 2025
Send message to Donnie Dippel


2011

A - Texas CCA Board


Member, Ex Officio
Dippel, Donnie
Term: Jan 01, 2006 - Dec 22, 2025
Send message to Donnie Dippel


2010

A - Texas CCA Board


Member, Ex Officio
Dippel, Donnie
Term: Jan 01, 2006 - Dec 22, 2025
Send message to Donnie Dippel


2009

A - Texas CCA Board


Member
Foster, John D.
Term: Jan 01, 2007 - Dec 31, 2009
Send message to John Foster

Member
Frazier, Stephen Wayne
Term: Jan 01, 2007 - Dec 31, 2009
Send message to Stephen Frazier

Member
Martin, Larry Dale
Term: Jan 01, 2007 - Dec 31, 2009
Send message to Larry Martin

Member
Schuster, Greta
Term: Jan 01, 2007 - Dec 31, 2009
Send message to Greta Schuster

Member
Ziehr, Lori Lynn
Term: Jan 01, 2007 - Dec 31, 2009
Send message to Lori Ziehr

Member, Ex Officio
Dippel, Donnie
Term: Jan 01, 2006 - Dec 22, 2025
Send message to Donnie Dippel


2008

A - Texas CCA Board


Member
Foster, John D.
Term: Jan 01, 2007 - Dec 31, 2009
Send message to John Foster

Member
Frazier, Stephen Wayne
Term: Jan 01, 2007 - Dec 31, 2009
Send message to Stephen Frazier

Member
Martin, Larry Dale
Term: Jan 01, 2007 - Dec 31, 2009
Send message to Larry Martin

Member
Schuster, Greta
Term: Jan 01, 2007 - Dec 31, 2009
Send message to Greta Schuster

Member
Ziehr, Lori Lynn
Term: Jan 01, 2007 - Dec 31, 2009
Send message to Lori Ziehr

Member, Ex Officio
Dippel, Donnie
Term: Jan 01, 2006 - Dec 22, 2025
Send message to Donnie Dippel

Vice Chair
Hebert, Mark Thomas
Term: Jan 01, 2006 - Dec 31, 2008

Member
Jeffcoat, Geron Keith
Term: Jan 01, 2006 - Dec 31, 2008
Send message to Geron Jeffcoat

Chair
Weinheimer, Benjamin Todd
Term: Jan 01, 2005 - Dec 31, 2008
Send message to Benjamin Weinheimer


2007

A - Texas CCA Board


Member
Foster, John D.
Term: Jan 01, 2007 - Dec 31, 2009
Send message to John Foster

Member
Frazier, Stephen Wayne
Term: Jan 01, 2007 - Dec 31, 2009
Send message to Stephen Frazier

Member
Martin, Larry Dale
Term: Jan 01, 2007 - Dec 31, 2009
Send message to Larry Martin

Member
Schuster, Greta
Term: Jan 01, 2007 - Dec 31, 2009
Send message to Greta Schuster

Member
Ziehr, Lori Lynn
Term: Jan 01, 2007 - Dec 31, 2009
Send message to Lori Ziehr

Member, Ex Officio
Dippel, Donnie
Term: Jan 01, 2006 - Dec 22, 2025
Send message to Donnie Dippel

Vice Chair
Hebert, Mark Thomas
Term: Jan 01, 2006 - Dec 31, 2008

Member
Jeffcoat, Geron Keith
Term: Jan 01, 2006 - Dec 31, 2008
Send message to Geron Jeffcoat

Member
Engelke, Tom
Term: Jan 01, 2006 - Dec 31, 2007
Send message to Tom Engelke

Member
Green, Cary J.
Term: Jan 01, 2006 - Dec 31, 2007
Send message to Cary Green

Chair
Weinheimer, Benjamin Todd
Term: Jan 01, 2005 - Dec 31, 2008
Send message to Benjamin Weinheimer

Member
Miller, Travis D.
Term: Jan 01, 2005 - Dec 31, 2007
Send message to Travis Miller

Member
Rivera, Randy
Term: Jan 01, 2005 - Dec 31, 2007
Send message to Randy Rivera


2006

A - Texas CCA Board


Member, Ex Officio
Dippel, Donnie
Term: Jan 01, 2006 - Dec 22, 2025
Send message to Donnie Dippel

Vice Chair
Hebert, Mark Thomas
Term: Jan 01, 2006 - Dec 31, 2008

Member
Jeffcoat, Geron Keith
Term: Jan 01, 2006 - Dec 31, 2008
Send message to Geron Jeffcoat

Member
Engelke, Tom
Term: Jan 01, 2006 - Dec 31, 2007
Send message to Tom Engelke

Member
Green, Cary J.
Term: Jan 01, 2006 - Dec 31, 2007
Send message to Cary Green

Chair
Green, Cary J.
Term: Jan 01, 2006 - Dec 31, 2006
Send message to Cary Green

Member
Auld, Dick L.
Term: Jan 01, 2006 - Dec 31, 2006

Member
Clarke, Denise
Term: Jan 01, 2006 - Dec 31, 2006

Member
Dollar, Leonard Lamont
Term: Jan 01, 2006 - Dec 31, 2006
Send message to Leonard Dollar

Member
Frazier, Stephen Wayne
Term: Jan 01, 2006 - Dec 31, 2006
Send message to Stephen Frazier

Member
Kowis, James
Term: Jan 01, 2006 - Dec 31, 2006

Member
McGee, Kenneth Ray
Term: Jan 01, 2006 - Dec 31, 2006
Send message to Kenneth McGee

Member
Mitchell, George F.
Term: Jan 01, 2006 - Dec 31, 2006
Send message to George Mitchell

Member
Moore, James F.
Term: Jan 01, 2006 - Dec 31, 2006
Send message to James Moore

Member
Runge, Edward C. A.
Term: Jan 01, 2006 - Dec 31, 2006

Member
Young, J. Leon
Term: Jan 01, 2006 - Dec 31, 2006

Chair
Weinheimer, Benjamin Todd
Term: Jan 01, 2005 - Dec 31, 2008
Send message to Benjamin Weinheimer

Member
Miller, Travis D.
Term: Jan 01, 2005 - Dec 31, 2007
Send message to Travis Miller

Member
Rivera, Randy
Term: Jan 01, 2005 - Dec 31, 2007
Send message to Randy Rivera


2005

A - Texas CCA Board


Chair
Weinheimer, Benjamin Todd
Term: Jan 01, 2005 - Dec 31, 2008
Send message to Benjamin Weinheimer

Member
Miller, Travis D.
Term: Jan 01, 2005 - Dec 31, 2007
Send message to Travis Miller

Member
Rivera, Randy
Term: Jan 01, 2005 - Dec 31, 2007
Send message to Randy Rivera


2003

A - Texas CCA Board


Member, Ex Officio
Miller, Patrick T.
Term: Jan 01, 2003 - Dec 31, 2003
Send message to Patrick Miller


2000

A - Texas CCA Board


Chair
Coker, Kim Kelly
Term: Jan 01, 2000 - Dec 31, 2000
Send message to Kim Coker


1997

A - Texas CCA Board


Member
Bade, Norman
Term: Jan 01, 1997 - Dec 31, 1997
Send message to Norman Bade

Member
Bade, Norman
Term: Jan 01, 1997 - Dec 31, 1997
Send message to Norman Bade