Over the years, Liz has continued to meet this commitment with Green Valley's involvement in the communities throughout the North Bay with projects such as the Laguna Force Main Rehabilitation for the City of Sebastopol; Mendocino Avenue Sewer and Water Reconstruction and Pierson Reach Bike Path for the City of Santa Rosa; Pomo Bluffs Coastal Park and the Downtown Streetscape and Improvement projects for the City of Fort Bragg; and Riverfront Regional Park for the Sonoma County Regional Parks Department.

Liz has repeatedly been recognized for her engineering excellence with the 2009, 2007, 2005, and 2003 ACEC/CELSOC Engineering Excellence Awards, the 2005 ASCE Environmental Engineering Project of the Year Award, and has been honored by her community with the 2007 Women in Business Award from the North Bay Business Journal. She is highly respected by her contemporaries and has presented her work to the American Society of Civil Engineers (ASCE) annual conference and American Water Works Association conference, in addition to being published in numerous trade journals.

In addition to her award-winning work, Liz is active in a number of professional and civic organizations. She received her Bachelor of Science in Civil Engineering from San Francisco State in 1990. In her spare time she can often be found working in her gardens and spending time with her family, including her dog Matilda.

Joe Gaffney, Project Manager 
Joe Gaffney has over thirty years of municipal engineering experience. Prior to joining Green Valley he served as Associate Civil Engineer and City Engineer for the City of Rohnert Park for fifteen years. During that time Joe was responsible for the formulation, design, permitting, financing, and management of a wide variety of capital projects for the City.

Today, Joe works closely with Green Valley's municipal clients such as the City of Santa Rosa and the City of Sebastopol. He specializes in infill and capital improvement projects and is known for working effectively with elected and community representatives to address issues and resolve problems in a positive and rewarding manner.

Joe is currently the President of the ASCE Redwood Empire Chapter. He lives in Rohnert Park and in his free time he enjoys traveling with his wife Stephanie.

Michael Grimes, Project Manager 
At Green Valley, Michael's primary focus is to work closely with private developers, land owners, architects, and other visionaries assisting them with their project and bring realization to their ambitions. Along with his support, he is responsible for the preparation and delivery of construction documents for single-and multi-family residential developments, master planned communities and commercial and municipality development projects. Michael incorporates current storm water mitigation procedures to conform to Federal, State, and Local water quality regulations and implements flood control structures when appropriate for client projects. In addition, Michael is highly skilled at conducting the analyses needed to complete individual or master design reports including storm water hydrology, hydraulics, and water quality (CEQA), potable water (both domestic and fire), wastewater, general utility reports and cost analysis for projects. Michael has been certified as a Pervious Concrete Technician lending to Low Impact Development and LEED requirements for his clients projects. In addition, he also has experience navigating FEMA, Army Corp. of Engineers (ACoE), Fish & Game, Regional Water Board and other authorizing agency's permitting and regulatory procedures.

Michael relocated from Arizona to California in May 2006 with his wife Karen and their two Cavalier King Charles Spaniels, Honey Bear and Charles. Soon, they will all be celebrating their daughter's first birthday. When Michael is not helping with family duties, he can be found teeing it up at the local golf course or relaxing and enjoying the sounds of a local band. He also enjoys SCUBA diving, basketball, working on the family homestead, or watching a college football or basketball game.