About Us


DF ZorroDavid Franklin is a nationwide presenter, international consultant and award-winning landscape professional with over 35 years experience in the Green Industry, including 20 years in the erosion control and water quality sectors. He has worked on stormwater issues as a consultant, specifier, SWPPP writer/manager, contractor and inspector on projects including vineyards, mines & quarries, river restoration, freeway & railroad and home construction.

As a two term CPESC Regional Representative and an Approved Instructor and Proctor for 14 years for the CPESC Review Course and Exam, Mr. Franklin helped organize CPESC events for groups and individuals in western states and also delivered the CESSWI Review Course and Exam from 2009-2014. As the CPESC Technical Vice-Chair he made updates to the Study Guide, Presentation and Exam.

Mr. Franklin has developed and delivered numerous stormwater classes to the public and private sector including Caltrans (California Department of Transportation) personnel in Design, Construction and Landscape Architecture divisions, the 24hr Caltrans stormwater course to contractors working on Caltrans’ projects as well as courses for California’s new Construction General Permit.


  • Past CPESC Technical Vice Chair, 2 term CPESC Council Member and Regional Representative
  • Past Chapter President of the California Landscape Contractors Association
  • Past Executive Officer for the Western Chapter of the International Erosion Control Association.
  • Instructor for 8 years for the California Department of Transportation Stormwater Management and Landscape Architecture Courses throughout California.
  • Approved Instructor for the first CPESC Exam Review Course in a non-English language (Spanish).
  • Various articles published on topics ranging from erosion control to native grass establishment.
  • Volunteered on an organic coffee plantation in the Galapagos; planted the at-risk Scalesia tree as a sustainable shade source.
  • Community volunteer and ecological trainee in the Amazon

David’s personal hobbies and interests include organic vegetable gardening, honeybees, playing handball like a maniac and songwriting competitions. His band is available for events throughout California.