East Bay Branch

9350 Viking Place, Roseville CA 95747

Main: 916-784-7666

Toll Free: 866-296-8175

Fax: 916-784-7733

Robert JackmanRegional Operations Manager

Robert Jackman


Robert has worked in the landscape industry for over thirty-eight years where he began in commercial landscape construction working as a laborer, then heavy equipment operator, Journeyman Plumber and Project Superintendent before ultimately moving into landscape management where he worked as an Account, Operations, Branch, and Regional Manager for several award winning firms. A native of the San Francisco Bay Area, Robert was very active in the California Landscape Contractors Association where he served as Technical Advisor and Judge for the Certification program. Robert is Triple-Certified as a Landscape Technician in Landscape Maintenance, Irrigation, as well as Construction. He has a degree in Ornamental Horticulture with extensive course study in Landscape Design and Construction Management.

• California Landscape Contractors Association Member (1994-2003)

• Journeyman Plumber, Union Local 444, San Leandro,CA (1983-1990)

• CLCA Certified Landscape Technician of Irrigation (#95548)

• CLCA Certified Landscape Technician of Maintenance (#95523)

• Technical Advisor/Field Judge: CLCA CLT Program

• Red Cross Certified in CPR and First Aid

Jacob McNamaraAccount Manager

Jacob McNamara

Over 14 years of experience in Customer Service, Construction Management, Sales, and Landscape Maintenance

  • Extensive experience in Water Management, Commercial Property Management and Construction Project Management
  • Employed nearly a decade in the Landscape/Green Industry
  • Interned and studied over 6 years’ under the current JLS Regional Manager, Robert Jackman
  • Employed 6 years’ by State Of California as Services and Accounts Management
  • Past Owner- Infinity Insurance Specialists LLC
  • Completed numerous Industry Training, Certifications, and accreditations in water management
  • Red Cross Certified in CPR and First Aid

Richard LeavyOperations Supervisor

Richard Leavy 

Richard has over 25 years of experience in the green industry, including five years in the wholesale nursery and two years in retail nursery sales.

• 1978 B.S., Ornamental Horticulture, California State Polytechnic University

• C-27 Landscape Contractor License #594254

• State of CA Department of Food & Agriculture Qualified Applicator License #102373

• Red Cross Certified in CPR and First Aid

• 2003 -Regional Water Quality Board for South Bay Water Recycling-Recycled Water Site Supervisor Training Certificate #0588

• 2008 Bay-Friendly Qualified Landscape Maintenance Professional

• Red Cross Certified in CPR and First Aid

James Van SlykeAccount Manager

James Van Slyke

James has over 25 years of experience in the landscape field and has managed teams overseeing some of the highest profile clients in the Bay Area.

Qualified Applicators License #127073

  • Bay-Friendly Landscape Maintenance Certified
  • University of Minnesota Landscape Arboretum Instructor
  • Red Cross Certified in CPR and First Aid

Martin GomezOperations Supervisor

Martin Gomez 

• Irrigation specialist since 1991.

• Special studies in hydraulics in the landscape arena

• Electrical, irrigation technician, plumbing, valve specialist, controller specialist, Landscaping and Athletic field maintenance.

• 5 years as a Maintenance Operations Supervisor • Red Cross Certified in CPR and First Aid