Past Events and Workshops
Basic Tree Appraisal Workshop
Arcadia, CA, March 19, 2016
Walnut Creek, CA, March 25, 2016
San Diego, CA, June 10, 2016
Philadelphia, PA, Morris Arboretum, June 30, 2016
Kaneohe, HI, September 1, 2016
Boise, ID, PNW-ISA Annual Conference
September 16, 2016
Burlington, ON, May 1, 2017
Oregon City, OR, January 22, 2018
Seattle, WA, January 24, 2018
Columbia, MO, MCFC Annual Conference
March 12-13, 2018
Richmond Hill, ON, March 19, 2018
Pittsburgh, PA, April 18, 2018
Philadelphia, PA, April 19, 2018
Seattle, WA, March 7, 2019
Richmond Hill, ON, April 29, 2019
Surrey, BC, May 22, 2019
Boise, ID, December 2, 2019
Coeur d'Alene, ID, October 1, 2022
Oregon City, OR, July 10, 2023
Surrey, BC, July 13, 2023
Advanced Tree Appraisal Workshop
Arcadia, CA, December 10th, 2016
Walnut Creek, CA, March 17th, 2017
Burlington, ON, May 2, 2017
Kaneohe, HI, September 1, 2017
Oregon City, OR, January 23, 2018
Seattle, WA, January 25, 2018
Seattle, WA, March 8, 2019
Surrey, BC, May 23, 2019
Boise ID, December 3, 2019
Oregon City, OR, July 11, 2023
Surrey, BC, July 14, 2023
Tacoma, WA, October 1, 2023
Tree Risk Assessment Qualification (TRAQ)
Los Angeles, CA, November 13-15, 2024
Jurupa Valley, CA, October 22-24, 2024
Bakersfield, CA, August 28-30, 2024
Torrance, CA, May 22-24, 2024
Co-taught with Lisa Smith
Jurupa Valley, CA, March 19-21, 2024
Los Angeles, CA, January 23-25, 2024
Hamilton, ON, November 6-9, 2023
Los Angeles, CA, October 18-20, 2023
San Diego, August 28-30, 2023
Los Angeles, CA, June 20-22, 2023
Jurupa Valley, CA, April 25-28, 2023
Mississauga, ON, April 18-21, 2023
Los Angeles, CA, February 22-24, 2023
Co-taught with Lisa Smith
Los Angeles, CA, September 20-22, 2022
Co-taught with Lisa Smith
Los Angeles, CA, July 11-13, 2022
Oakville, ON, April 5-8, 2022
Los Angeles, CA, March 7-9, 2022
Jurupa Valley, CA, March 2-4, 2022
Costa Mesa, CA, June 21-24, 2021
Jurupa Valley, CA, April 27-30, 2021
Roseville, CA, March 2-5, 2021
Roseville, CA, January 19-21, 2021
Jurupa Valley, CA, November 3-5, 2020
Sacramento, CA, October 20-22, 2020
Roseville, CA, September 1-3, 2020
Los Angeles, CA, October 28-30, 2019
Lakewood, CA, July 29-Aug 1, 2019
Livermore, CA July 22-24, 2019
Richmond Hill, ON, April 30-May3, 2019
Roseville, CA, June 12-15, 2018
Co-taught with Jim Flott
Palo Alto, CA, June 11, 2018
Palm Desert, CA, June 4-7, 2018
Whitby, ON, May 30-June 1, 2018
Edmonton, AB, April 25-27, 2018
Newmarket, ON, March 20-23, 2018
Sacramento, CA, December 11-13, 2017
Anaheim, CA, December 6-8, 2017
Okotoks, AB, September 6-8, 2017
Folsom, CA, August 7-9, 2017
Oakville, ON, May 3-5, 2017
Whitby, ON, April 19-21, 2017
Oregon City, OR, November 28th-30th, 2016
Co-taught with Terry Flanagan
Encinitas, CA, July 18-20, 2016
Co-taught with Kevin Eckert
St. Louis, MO, May 31-June 2, 2016
Co-taught with Skip Kincaid
Tree Appraisal Presentations
University of Pennsylvania Webinar: Trunk Formula Method Tree Appraisal Basics
April, 19, 2016
Street Tree Seminar 2016 Summer: Trunk Formula Method Tree Appraisal
Pomona, CA, July 21, 2016
ISA Annual Conference: What Happens When 14 Arborists Appraise the Same 10 Trees?
Fort Worth, TX, August 17, 2016
Desert Green Conference: Basics of TFM Appraisal
Las Vegas, NV, October 21, 2016
ASCA Annual Conference: Appraisal Case Capsules
Boston, MA, Saturday, December 3, 2016
Midwest Chapter ISA Conference: Tree Appraisal Trunk Formula Method Basics
Frontenac, MO, Friday, February 3rd, 2017
Ontario Chapter ISA Conference: Tree Appraisal Trunk Formula Method Basics
Niagara Falls, ON, Thursday, February 23rd, 2017
PennDel Chapter ISA Conference: What Happens When 14 Arborists Appraise the Same 10 Trees?
Lancaster, PA, Wednesday, March 8, 2017
ISA Annual Conference: Tree Covenants as an Asset Class
Washington, D.C., August 1, 2017
Landscape Alberta: What Happens When 14 Arborists Appraise the Same 10 Trees?
Calgary, AB, November 16, 2017
ASCA Annual Conference: Appraisal Case Capsules
Stevenson, WA, Dec 2, 2017
Idaho Horticulture Expo: What Happens When 14 Arborists Appraise the Same 10 Trees?
Boise, ID, January 16, 2018
MCFC Conference: What Happens When 14 Arborists Appraise the Same 10 Trees?
Columbia, MO, March 13, 2018
ISA Annual Conference: White Hat Hacking the TRAQ Methodology
Columbus, OH August 6, 2018
ISA Annual Conference: How Nursery Stock Unit Cost Affects Trunk Formula Technique Appraisals
Knoxville, TN, August 13, 2019
Tree Talks ISA Ontario Webinar Series: 10th Edition Updates to the CTLA Guide for Plant Appraisal
ISAO Chapter, Online,July 10, 2020
PNWISA Annual Training Conference 2022: What Happens When 14 Arborists Appraise the Same 10 Trees?
Coeur d'Alene, ID, October 4, 2022
Idaho Horticulture Expo: Tree Appraisal Basics
Boise, ID, January 19, 2023
Dakota ISA Conference: Tree Appraisal: A New Look
Aberdeen, SD, January 24, 2023
ISA Annual Conference: Tree Appraisal and the Principle of Substitution
Albuquerque, NM, August 16, 2023
ProGreen Expo: Tree Appraisal and the Principle of Substitution
Denver, CO, January 30, 2024
ISA Texas: Advanced Tree Appraisal Master Class
San Antonio, TX, Jan 31 - Feb 1, 2024
Shade Tree Short Course: Tree Appraisal and the Principle of Substitution
Ames, IA, February 21, 2024
WCISA Conference: Case Illustrations in Valuing Tree Losses
San Diego, CA, May 1, 2024
Michigan ISA Webinar: Tree Appraisal and the Principle of Substitution
Online, June 19, 2024
General Interest
Tree Risk and HOAs
Seal Beach, CA, Leisure World Garden Club , January 18, 2016
Tree Inspections and Real Estate
Glendale, CA, Glendale Association of Realtors, April 29, 2016
Tree Inspections and Real Estate
Santa Clarita, CA, Southland Association of Realtors, August 3, 2016
Tree Inspections and Real Estate
Van Nuys, CA, Southland Association of Realtors, August 18, 2016
Combined Claims Conference: Adjusting for Trees
Garden Grove, CA, March 6, 2018
ISA Annual Conference: Wielding the A300 Standards: The Shield and the Sword
Online, December 7-11, 2020
Street Tree Seminar: Wielding the A300 Standards: The Shield and the Sword
Online, May 20, 2021
Professional Tree Care Association - Annual Seminar and Field Day: White Hat Hacking the TRAQ Methodology
San Diego, CA, August 20-21, 2021
Desert Green: White Hat Hacking the TRAQ Methodology
Wielding the A300 Standards: The Shield and the Sword
Las Vegas, NV, September 30-October 1, 2021
PNWISA Annual Training Conference 2021: Wielding the A300 Standards: The Shield and the Sword
Online, October 7, 2021
PNWISA Annual Training Conference 2021: Machine-Generated Report Writing
Online, October 20, 2021
TCIA Expo: Wielding the A300 Standards: The Shield and the Sword
Indianapolis, IN, November 6, 2021
ISA Annual Conference: Machine-Generated Risk Assessment Reports
Online, Asynchronous, December 13-16, 2021
ISA Ontario Virtual Conference: White-Hat Hacking the TRAQ Methodology
Online, Asynchronous, March 3, 2022
PNWISA Arbor Chat: Wielding the A300 Standards: The Shield and the Sword
Online, June 17, 2022
PNWISA Annual Training Conference 2022: Wielding the A300 Standards: The Shield and the Sword
Coeur d'Alene, ID, October 3, 2022
ASCA Annual Conference: HUD Regs vs. Local Ordinance: A Case of Federal Tree-emption?
Louisville, KY, December 2, 2022
MWISA Annual Conference: White Hat Hacking the TRAQ Methodology
Wielding the A300 Standards: The Shield and the Sword
Tulsa, OK, January 26, 2023
ASCA Consulting Academy: The Consultant’s Role in Contentious Situations
Palm Springs, CA, February 7-10, 2023
WCISA Conference 2023: Digging Into Tree Losses for Insurance Reporting
Olympic Valley, CA, May 10, 2023
Michigan ISA Webinar: Wielding the A300 Standards: The Shield and the Sword
Online, May 24, 2023
ASCA Webinar: Who Owns a Boundary Tree?
Online, June 8, 2023
PNWISA Annual Training Conference 2023: Managerial Accounting for Arborists
Tacoma, WA, October 3, 2023
ASCA Annual Conference: Unintended Consequences of a Fixed-Fine Ordinance
Renton, WA, December 5, 2023
Nebraska Arborist Association Conference: Tree Risk Assessment and Legal Liability in Nebraska
Lincoln, NE, January 17, 2024
Kansas Shade Tree Conference: Case Illustrations from Kansas Tree Law
Wielding the A300 Standards: The Shield and the Sword
White Hat Hacking the TRAQ Methodology
Manhattan, KS, January 17-19, 2024
ProGreen Expo: Who Owns a Boundary Tree?
Denver, CO, January 30, 2024
Shade Tree Short Course: Wielding the A300 Standards: The Shield and the Sword
Ames, IA, February 22, 2024
ASCA Consulting Academy: The Consultant’s Role in Contentious Situations
San Antonio, TX, February 12-16, 2024
Garden State Conference: Valuing Trees in New Jersey: Selections from Case Law
Wielding the A300 Standards: The Shield and the Sword
Who Owns a Boundary Tree?
Atlantic City, NJ, March 1, 2024
ASCA Webinar: Competing Interests In Street Trees
Online, March 28, 2024
WCISA Conference: Is Your Tree Protection Ordinance Constitutional?
San Diego, CA, May 1, 2024
Street Tree Seminar: Competing Interests In Street Trees
San Marino, CA , June 20, 2024
Michigan ISA Webinar: Competing Interests in Street Trees
Online, July 10, 2024
ISA Annual Conference: Restatement of Torts §929: A Legal Perspective on Valuing Tree Losses
Atlanta, GA, August 14, 2024
Michigan ISA Webinar: Appraising Tree Losses for Insurance Adjusters
Online, August 20, 2024
UCFS Webinar: Is Your Tree Protection Ordinance Constitutional?
Online, September 19, 2024
ISA Texas Conference: Competing Interests In Street Trees
Waco, TX, September 27, 2024
Desert Green: Who Owns a Boundary Tree?
Is Your Tree Protection Ordinance Constitutional?
Las Vegas, NV, October 17, 2024
Nebraska Arborist Association: Who Owns a Boundary Tree?
Online, October 18, 2024