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CTSP

  • August 15, 2026

    CTSP Profile: A Mission Rooted in Safety

    By Tracey Miller

    Pope teaching an advanced climbing class with student Hector Herrera, an arborist for the Nambe Pueblo reservation in New Mexico. Photo courtesy of Brian Pope. A U.S. Air Force veteran and native Floridian, Brian Pope began his career [...]

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  • April 15, 2026

    Twenty Years of CTSP: Leadership, Legacy and What Comes Next

    By Timothy M. Walsh, CTSP

    Timothy M. Walsh, CTSP. Like most of us, I didn’t enter arboriculture chasing credentials. I entered because I loved the work: the pace, the responsibility, the crews and the satisfaction of doing difficult work well. But over time, [...]

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  • “At first, it was a challenge that they were even going to listen to me,” Carl Calfo says of the crews when he first started training. All photos courtesy of Carl Calfo.
    September 1, 2024

    Carl Calfo Maintains Credential to Stay Prepared

    By Tamsin Venn

    As the former manager/lead trainer for K.W. Reese – a TCIA-accredited utility contractor and a 17-year TCIA member company based in Mercersburg, Pennsylvania – Carl Calfo took on Electrical Hazards Awareness Program (EHAP) training as a pet project when the [...]

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