GREENBANK - Key Persons


Kenneth Philp

Job Titles:
  • Architect

Leonardo Tamayo

Job Titles:
  • Superintendent

Marcy Ghan

Job Titles:
  • Controller
Marcy, like John, joined the Peace Corps as an agro-forester extensionist, living in Paraguay for two and a half years. After a career in forestry she switched her focus to accounting. At Greenbank she has paired her position with her passion for landscaping.

Mark Kihlstrom - VP

Job Titles:
  • Vice President
Mark has been in the construction business for 22 years specializing in high-end residential landscape construction. He has worked as both an arborist and horticulturalist and has experience procuring plants, sourcing exotic plant material, and propagating plants. Mark has managed landscape construction projects from a small front yard re-do to 12 acre estates. Mark's expertise includes all facets of landscape construction including earthwork, drainage, masonry, carpentry, irrigation, low-voltage lighting, planting design, transplanting large trees, and installation of pools, spas, ponds, and water features. Mark lives in Kenmore.

Samantha Idle - VP

Job Titles:
  • Vice President
Samantha Idle holds an Associate's Degree in Landscape Contracting from the State University of New York at Delhi. She is also a certified Organic Lawn Care Accredited Professional (OLCAP). She was born and raised on Long Island, NY, but has lived in Washington since 1998. Samantha has been working in the landscaping industry for over 30 years and has been with Greenbank since its inception in 2004. She began her career as a teenager in her family's landscaping business and as a designer in the family flower shop. With Samantha's many years of experience and as a former arborist, she has a broad knowledge of proper pruning techniques, lawn maintenance and restoration, and perennial and shrub care. Her passion and specialty is designing and installing seasonal color plantings that provide year-round interest. Samantha resides with her husband and their three children on their acreage in the outskirts of Monroe.