David Rain Ortiz has been a Bay Area contractor for the past twenty years. He is a Quality Water Efficient Landscaper (QWEL) qualified instructor and a pioneer in the movement to address the needs of local communities through innovative rainwater harvesting and graywater garden systems. He reports to the International Indian Water Working Group (IWWG) and helped plan the first Indian Tribal Water Summit with the Department of Water Resources. He is an active participant at the Sonoma County Water Coalition and a stakeholder in the State Housing and Community Development Department (HCD) Graywater Code Summit 2009 and contributed to the final version of Chapter 16 (California graywater code).

He was recently invited to attend Homeland Security's flood management meetings and the Building Standard Commission's dual plumbing system meetings. He is also a contributor to the Sonoma County Department of Agriculture's official rain harvesting manual and Montgomery High School's new Green Building Academy program.

David is an experienced educator and storyteller who brings to life Native American tales combined with traditional music to inspire and teach water conservation, land stewardship and respect for nature's ways to children, community groups, businesses and schools.