Staff

Project Managers & Designers

John Willey

General Manager


John has been working in landscaping and heavy construction since 1984. He has been with Gail Willey Landscaping for over 30 years and since 2015, has been the General Manager of the company. John is the CMS qualifier for Gail Willey Landscaping, with classifications in: A-12 Excavating, Grading, Trenching and Surfacing, A-15 Sewers, Drains and Pipes, A-19 Pipeline and Conduits, A-21 Fencing and Guardrails, A-22 Rockery Walls and Engineered Water Features, and C18 Masonry.

Thomas Sloniker

Designer & Project Manager


Thomas has been involved in design & landscaping services for 30 years. He has designed and installed several projects throughout the Tri-Valley (Bay Area) and the San Joaquín Valley (Tracy, Manteca, Modesto, Stockton) for twenty of the thirty years. He has been a designer and project manager since April 3, 2007 and currently holds a Ca. C-27 landscape construction license for Gail Willey Landscaping.

Brian Dean

Designer, Project Manager, & Resident Arborist


Brian has been in the landscaping industry since 1977. He earned his Bachelor of Science in Entomology and Plant Pathology from Colorado State University. In the past, Brian has served as chair of the Reno Urban Forestry Commission and President of the Nevada Landscape Association. In 2014, he joined the Gail Willey Landscaping team as a Designer, Project Manager, and Resident Arborist. Brian is currently the Director of the Nevada Landscape Association and a certified ISA arborist. His awards include the 1994 Nevada Landscape Association Ambassadors’ Award and the 2012 Nevada Landscape Association Life Time Achievement Award.

Greg Berg

Designer & Project Manager


Greg has been working for Gail Willey Landscaping since March of 2017. He has over 30 years’ experience in landscape design and has worked all over the U.S, reaching from the Midwest to the West Coast. Throughout his career, his designs have received several awards, including from the Wisconsin Landscape Association and the Nevada Landscape Association. Greg draws inspiration from his travels throughout the United States and the world.

Andrew Morris

Designer & Project Manager


Andrew has been working for Gail Willey Landscaping since the Spring of 2018. He received his Bachelor of Science degree in Landscape Architecture and Planning from the University of Nevada, Las Vegas. Andrew has over 11 years of landscape design experience, as well as an additional 5 years in landscape maintenance. Several of his designs have earned 1st place awards from the Nevada Landscape Association and the Builders Association of Northern Nevada.

Severo Mejia

Chief Estimator & Project Manager


Severo has been with Gail Willey Landscaping since June of 1997. For over 15 years, he worked in the field as a laborer, Foreman, and eventually Superintendent. For the last 7 years, Severo has held the role of Estimator, working closely with the Project Managers and pricing jobs. He also works with the field superintendents and foreman to ensure all jobs are executed accordingly.