Kendra has been a North Coast resident since 2007, and obtained her engineering degree from Humboldt State University in 2011. She has worked as a consulting engineer for 5 years in Humboldt County.  She specializes in water and wastewater treatment, permitting documents of all types, and civil design.  She holds a California Water Operator license, as well as a license in Civil Engineering.  She brings to her work a deep love of the natural world, and a desire to help her clients with permitting and construction of engineered works, so that they can focus on what they do best.

Kendra is proud to be a woman engineer and the idea of Mother Earth Engineering came to her as a way to give Mother Earth a seat at the engineering table.  She has always been very active in civic organizations such as the American Society of Civil Engineers, the Society of Women Engineers, and the California Water Environment Association, of which she is currently President of the North Coast Section.  Kendra is excited to be partnering with her long-time friend and colleague, Patricia Lai, as they strive to create a new paradigm in civil and environmental engineering, while always delivering quality, on-time work to the North Coast community.

B.S. Environmental Resources Engineering, Humboldt State University

California Licensed Professional Engineer, #C 84860

California Water Operator Grade T2 #34795


Patricia grew up in a family of engineers, but first started off traveling and learning languages as an undergrad at UC Berkeley. After completing her degree, she worked in coffee- managing a cafe and doing high-end espresso catering. After a brief stint as an engineering technician for a niche manufacturing firm, she then moved into the real estate industry. First, as an executive assistant for a broker in the Bay Area, then as the Director of Development + Acquisitions for a real estate developer in Los Angeles. She then took a break and became a mother.

Patricia’s first stint in the North Coast was in the summer of 2002 as a Corps-member for the California Conservation Corps in Klamath, CA. She loved it so much, she moved permanently to the Arcata area in 2006. After the birth of her son, she decided to pursue a degree in engineering in order to gain technical skills so she could better serve the environment and community. She worked for the Schatz Energy Research Center at Humboldt State University on the Quality Assurance team consulting for the World Bank’s Lighting Global Program. While on this team, she helped develop the international standard testing methods for small off-grid solar lights (“picoPV”), and this work took her to Kenya and Senegal.

Since 2014 Patricia has been a freelance technical consultant on a wide variety of projects including off-grid solar, algaculture, aquaponics, integrated waste management, biological remediation, and bio-integrated systems. She also got involved in prescribed burning as a best forest management practice and has firefighter type 2 certification. She is ecstatic to be partners with her good friend, Kendra, and thankful for the amazing opportunity to bring Mother Earth Engineering to fruition.

B.A. International Development Studies, University of California at Berkeley

B.S. Environmental Resources Engineering, Humboldt State University

M.S. Environmental Systems (pending), Humboldt State University

Respect the mother, Respect each other



Craig is a proud father of two wonderful children and a fervent enthusiast of the natural environment. Craig was a machinist apprentice in Southern California who felt his talents would be better served in the engineering field. In 1995 he moved moved to Humboldt County to find fulfillment in Northern California. He enjoys hiking, playing music, painting and coaching kids sports. As a member of this community for more than 20 years, Craig is compelled to protect the welfare of the North Coast.

Craig coordinated the mathematics laboratory while earning his A.S. at College of the Redwoods. He received his E.I.T. certification in January 2010 and graduated from the Environmental Resources Engineering Program at Humboldt State University in May 2013. After working for the County of Humboldt, Craig decided to apply his skill-set in the private sector of civil engineering.

Craig feels it is our duty as engineers to protect the public and the environment while aiding in the progression of a healthy society. He is interested in developing responsible engineering solutions to problems associated with fundamental resources and civil engineering projects.

Mother Earth Engineering Cassie Brilbeck .jpg


Cassie is a long time resident of Humboldt County. Her goal is to develop long-term relationships as a result of solving problems and creating solutions.

She strives to provide excellent customer service to each individual she gets the opportunity to work with. She is proud to work for such an amazing business and diverse group of clients.


Phil Zerkel was born and raised in the Pacific Northwest. He was raised in a family passionate about the exploration and understanding of the outdoors. His mother is an avid gardener and naturalist who taught him about flora and fauna - his father is a carpenter cum civil engineer. These influenced his path into environmental engineering and rural site construction.

Before coming to Mother Earth Engineering Phil developed off the grid homesteads throughout Sonoma and Mendocino Counties – designing and building roads, cabins, irrigation systems, off-grid energy and solar systems. Additionally, he has done conventional commercial build outs and home remodels throughout Northern California.

Phil’s current interests are in watershed stewardship, low impact development, riding his bike, making music, and having fun in the sun.

B.S. Environmental Resources Engineering, Humboldt State University

EIT, California State Board of Registration

Water Treatment Operator T2, California State Water Resources Control Board