Expert Details
Plant Sciences: Botany, Weed Science, Poisonous & Invasive Plants, and Biological Sciences
ID: 730640
California, USA
In addition to his academic responsibilities, Expert has held leadership positions in several scientific organizations. He has served as President of the Weed Science Society of America, the Western Society of Weed Science, and the California Invasive Plant Council. Expert’s expertise has also been sought in national advisory roles, including three terms on the National Invasive Species Advisory Committee, where he advised the U.S. Secretaries of Agriculture, Interior, and Commerce on invasive species policies. His leadership and expertise in weed science have earned him numerous awards, including the Lifetime Achievement Award from the California Invasive Plant Council and multiple research and extension awards from the Weed Science Society of America.
Expert is an accomplished author, with an impressive portfolio of publications, including several books and over 250 extension publications aimed at supporting land managers, policymakers, and the public. His published works reflect his commitment to advancing weed science and promoting sustainable land management practices. An active speaker at national and international conferences, Expert has presented over 900 extension presentations, solidifying his status as a leading voice in the fight against invasive species and the promotion of biodiversity.
Education
| Year | Degree | Subject | Institution |
|---|---|---|---|
| Year: 1986 | Degree: PhD | Subject: Botany/Weed Science | Institution: University of California, Davis |
| Year: 1981 | Degree: MS | Subject: Biological Sciences | Institution: Humboldt State University |
| Year: 1978 | Degree: BS | Subject: Wildlife and Fisheries Biology | Institution: University of California, Davis |
Work History
| Years | Employer | Title | Department |
|---|---|---|---|
| Years: 2017 to Present | Employer: Undisclosed | Title: Cooperative Extension Weed Specialist and Professor Emeritus | Department: Plant Sciences |
Responsibilities:Professor and Weed Specialist at the College of Agricultural and Environmental Sciences. |
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| Years | Employer | Title | Department |
| Years: 1995 to 2017 | Employer: University of California, Davis | Title: Cooperative Extension Weed Specialist and Professor | Department: Plant Sciences |
Responsibilities:Conducted outreach education programs on the management of invasive species and conducted research on the biology, ecology, and management of invasive plants of natural areas. |
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| Years | Employer | Title | Department |
| Years: 1987 to 1994 | Employer: Cornell University | Title: Assistant and Associate Professor | Department: Soil, Crop and Atmospheric Sciences |
Responsibilities:Taught all the Weed Science courses and conducted research on the physiology of herbicide action in plants. |
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Career Accomplishments
| Associations / Societies |
|---|
| • Aquatic Plant Management Society • Western Chapter of Aquatic Plant Management Society • Western Society of Weed Science • Weed Science Society of America • California Invasive Plant Council • California Botanical Society • USDA-NRI panel, Invasive Species • Program Council, UC Agricultural and Natural Resources Division • Deans Council, College of Agricultural and Natural Resources |
| Licenses / Certifications |
|---|
| Qualified Applicators Certificate for applying herbicides |
| Professional Appointments |
|---|
| • Interim Chair, Department of Plant Sciences, UC Davis, 2016-2017 • Past-President, President Elect, & VP, Weed Science Society of America, 2012-2016 • Appointed to three terms on the National Invasive Species Advisory Committee (ISAC), 2008-2015 • Vice Chair, Crop and Ecosystem Sciences section of the Department of Plant Sciences, 2005-2010 and 2013-present • Associate Editor, California Agriculture, 2012-present • Editor, Invasive Plant Science and Management journal of the Weed Science Society of America, 2007-2015 • Acting Chair, Department of Plant Sciences, UC Davis, 2008 and 2014 • Appointed to the California Invasive Species Advisory Committee (Cal-ISAC), 2009-2014 • President, Vice-President and Past President, Davis Botanical Society, 2012-2014 • President, Western Society of Weed Science, 2010-2011 • Chair, Cooperative Specialists Advisory Committee (elected position), 2009-2010 • Member of the Board of Directors, Tamarisk Coalition Board, 2005-present • Elected Chair of the Research Section and member of the Board of the Western Society of Weed Science, 2005-2006 • Past President, California Invasive Plant Council, 2004 and 2005 • President, California Exotic Pest Plant Council, 2002 and 2003 • Sierra Cascade Intensive Vegetation Management Cooperative- Co-founder and board member- 2000- 2004 • North America Center for Invasive Plant Management Science (CIPM) Advisory Council – 2001-2004 |
| Awards / Recognition |
|---|
| • Outstanding Research Award by the Weed Science Society of America • UC Davis, James H. Meyer Distinguished Achievement Award • Selected as Fellow of the Western Society of Weed Science • Lifetime Achievement Award for Vision and Dedicated Service awarded by the California Invasive Plant Council (Cal-IPC) • Selected as Fellow of the Weed Science Society of America • Outstanding Extension Award by the Weed Science Society of America • Gold Award by the Association for Communication Excellence for his two volume book • Outstanding Weed Scientist, Public Sector, Western Society of Weed Science • Award of Excellence, California Weed Science Society • Distinguished Service Award, DANR, Outstanding Research-Specialist • American Society for Horticultural Science, Extension Division Educational Materials Award for Commercial Ornamentals, Floriculture and Turf, Weeds of the Northeast |
| Publications and Patents Summary |
|---|
| • Published Books or Monographs: 9 • Peer-Reviewed Publications & Book Chapters: 175 • Extension Presentations: 900+ |
Additional Experience
| Expert Witness Experience |
|---|
| Expert has been involved in a number of cases and has taken the stand on three occasions, including once in Federal Court, and has been deposed about 6 times. |
| Training / Seminars |
|---|
| Expert has developed over 50 courses, symposia, short courses, etc. on aspects related to Weed Science. |
Fields of Expertise
aquatic macrophyte, aquatic plant, herbicide, nonwoody plant, triclopyr, weed, weed control, weedicide, paraquat, plant (botanical), poisonous plant, vine, biological control, poison ivy, mustard plant, dichlorophenoxyacetic-acid ester, dichlorophenoxyacetic acid, picloram, dicamba, tree, grass, flora, botany