Save Mount Diablo is staffed by a small, hard-working team who are passionate about conservation and the outdoors. Learn more about our board of directors, leadership, and staff below.

For information about opportunities with Save Mount Diablo, please head to our careers page. We’re also always looking for volunteers!


Edward Sortwell Clement, Jr.
Executive Director
T: (925) 947-3535

Ted has been studying and working in the conservation field for over 30 years. He was an environmental studies major at the University of Vermont, and later received his Juris Doctor degree from Vermont Law School where he focused on land conservation law. Early on, Ted worked for the Outward Bound School and then for the Peace Corps national park program in Thailand. Then for years he worked for the Vermont Land Trust, Aquidneck Land Trust in Rhode Island, and Hawaiian Islands Land Trust—the latter two which he served as an Executive Director for. He started work for Save Mount Diablo in November 2015. Ted is passionate about his family, time outdoors, and working with others to create lasting public good by protecting and connecting people to the land which sustains us.

Seth Adams
Land Conservation Director
T: (925) 947-3535

Seth M. Adams is Land Conservation Director for Save Mount Diablo. In 1988 he was the East Bay organization’s first staff. He focuses on advanced policy, land use, and advocacy; government relations; acquisition projects; and educational and media programs. Among his accomplishments are participation in preservation of tens of thousands of acres; creation of Urban Limit Lines; aid in development of hundreds of millions of dollars of conservation funding; the East Contra Costa County Habitat Conservation Plan and the Concord Naval Weapons Station Reuse Plan; new recreational trails such as the 30-mile Diablo Trail; and reintroduction of endangered peregrine falcons to Mt. Diablo. He has been involved in many political campaigns throughout Contra Costa County and the East Bay. An avid hiker and weight lifter, he is also an amateur historian. He attended Michigan State University and the University of California – Berkeley. He lives in Martinez, California.

Karen Ferriere
Karen Ferriere
Development Director
(925) 947-3535 x18

Karen joined the staff in 2016 as Assistant Development Director and was promoted in 2019 to Development Director. After several years as a law librarian, she left the legal publishing field to pursue her passion for nonprofit fundraising and the preservation of public spaces. She also worked as a fundraiser and board member at The Ruth Bancroft Garden in Walnut Creek. She developed her love of our spectacular western parklands as a student at the University of Montana, where she received a Bachelor of Arts. She also holds a Masters in Library Science from St. John’s University. Karen maintains a diverse collection of cacti and succulents and lives with her husband in Danville. You can often find them hiking and biking in Mount Diablo State Park.

Monica Oei
Finance & Administration Director
T: (925) 947-3535 x14

Monica was hired in 2006. She currently provides leadership to the organization’s finance and administrative functions. She and her husband enjoy sharing their appreciation of nature and open space with their daughter through camping, fishing, and kayaking.


Caleb Castle
Communications Manager

A seasoned Marketing & Communications Manager, Caleb is a professional “jack-of-all” trades in digital media marketing and design. He brings 8 years of experience working across traditional and new media channels–including print, web, ux, social media, email and video. Originally from Upstate NY, Caleb moved to Western MA in 2005, where he earned a BA from Smith College in Visual Art & Design. Caleb now calls Oakland his home. He made the leap to the East Bay in 2015 and was thrilled to explore the Bay Area’s wild landscapes. In June 2016, Caleb was given an opportunity to pursue one of his passions–advocating for the preservation of our natural environment–and joined Save Mount Diablo as Communications Manager. He enjoys spreading his passion for water, natural landscapes and wildlife to others.

Denise Castro
Stewardship & Outreach Associate

Denise joined the staff in 2018. As the Stewardship & Outreach Associate, Denise works closely with the Land Stewardship Associate and helps coordinate fieldwork, outreach events, volunteer programs, hike programs, and colloquiums. She received her B.S. from UC Davis in Environmental Horticulture & Urban Forestry with emphases in Ecological Restoration and Biodiversity. Born in Argentina and raised in the deserts of southern California, Denise is a strong advocate for natural land restoration and conservation. She likes to spend her free time hiking, going on long backpacking trips, and buying more plants than she has room for.

Hidemi Crosse
Senior Accountant

Hidemi was hired to assist the Finance Director with Save Mount Diablo’s accounting, starting as the organization’s bookkeeper and has since been promoted to Senior Accountant. She has more than 10 years of experience in accounting. Hidemi loves to hike, camp and fish with her husband, two children, and their dog Sugar. She grew up in Japan and now lives in Pittsburg where she enjoys the beautiful weather and the beauty of nature.

Juan Pablo Galvan
Land Use Manager

Juan Pablo joined the staff as the new Land Use Planner in 2013. He grew up in Benicia, but since high school has lived and worked in Costa Rica, Mexico, Washington D.C. and different parts of California. Juan Pablo has always loved animals and been interested in learning about and protecting them and the habitats they live in – even since kindergarten when he brought an octopus in for show and tell. Juan Pablo graduated from the University of California, San Diego with a B.S. in Ecology, Behavior and Evolution and a minor in Political Science. Then after working in Mexico for a year, he pursued an M.S. in Sustainable Development and Conservation Biology at the University of Maryland, College Park. Juan Pablo’s work experience ranges from bird and marine mammal researcher, environmental educator and environmental consultant on NCCP/HCP projects. He now comes to Save Mount Diablo to help protect the area that has provided him with so many great hiking and birding experiences over the years.

Shannon Grover
Senior Development Associate & Event Manager

Shannon was hired in 2011. In addition to handling senior level administrative duties, she assists the Executive Director. Shannon holds a B.S. in Business Administration from St. Mary’s College and has several years of office manager expertise. Neighbor to the mountain with her family, she is a dedicated hiker embracing the peaceful escape of Diablo’s slopes and foothills.

Dana Halpin
General Office Manager

Dana was hired in 2011. She works at the front desk handling emails, phones, and processing donations while also assisting staff with various projects and events. Dana holds a B.A. in Exercise Science from U.C. Davis and has 5 years of administrative assistant experience, having worked at both Stanford University and U.C. Berkeley. Dana grew up in the East Bay enjoying Mount Diablo. She continues to enjoy being outdoors with her husband and two children and treasures her beautiful view of Mount Diablo from her home in Walnut Creek.

Katie Lopez
Katie Lopez
Accounting & Administrative Associate

Katie is our Accounting & Administration Associate; she joined the staff in March of 2017.  She brings almost a decade of accounting experience, along with some administration experience to Save Mount Diablo.  She grew up in the beautiful state of NM, from there moved to AZ, and most recently moved to Northern California about 3 ½ years ago with her husband & two dogs.  She loves to explore the beautiful landscapes of the Bay Area by hiking, mountain biking, and snowboarding.  Katie is very passionate about preserving our natural lands and is excited to help fulfill the mission of Saving Mount Diablo.

Roxana Lucero
Land Stewardship Associate

Roxana began as an intern in 2016 and joined our staff permanently in 2017. As our Land Stewardship Associate, Roxana supports programmatic elements, events, outreach and fieldwork within Stewardship. She also maintains the mapping program for Save Mount Diablo. She attended San Francisco State and earned her B.S. in Environmental Studies with a concentration in Natural Resource Management and Conservation. As a student, she gained valuable experience with the Golden Gate National Recreation Area, and the San Francisco based non-profit, Nature In the City. Roxana is from Bay Point where she currently lives and is passionate about preserving the lands she grew up with.

Joanne McCluhan
Joanne McCluhan
Executive Assistant

Joanne joined the staff in 2017. She is a lifetime Bay Area resident and earned her Bachelor’s degree from San Francisco State. For several years, she organized the activities for Walnut Creek Warrior Lacrosse Club and most recently provided administrative support to the East Bay Regional Park District. Joanne takes pride in serving her local community and supporting families in their efforts to be active. She considers Mount Diablo her home. You will often find her out in her wild ‘backy