Photo by Troy Dean

Photo by Troy Dean

Amber Hasselbring, Executive Director 

Amber is also an artist, naturalist, educator, and founder of Art Ecology (a regional art practice and habitat garden business). Her work samples surrounding ecosystems to create public art and living spaces. Amber's artworks have included: Art on BART, Angel Island Art & Ecology Festival, the Mission Greenbelt Project, Tigers on Market Street, and various pop-up nature parks, performances, and exhibitions in San Francisco, Chicago, and Kansas City. 

Board of Advisors 

Bill Brick, Strategy & Corporate Sponsorship

Senior Business Development Executive with a background in solar energy, corporate finance, information technology and social enterprise sectors

Photo by Troy Dean

Photo by Troy Dean

Laura Castellini, Board Chair

Sustainability Coordinator at the National Park Service and the Golden Gate National Recreation Area. Laura has been involved with Nature in the City since its beginning in 2005. She has a background in aquatic and wetland ecology and is slowly learning her dune plants by participating in the Backyard Natives Nursery Network.

Marcus Griswold, Science Advisory & Fundraising 

Associate at Skeo and Entomologist. Marcus is an Associate at Skeo, a national consulting firm focused on embedding equity and social justice into decisions made in and adjacent to environmental justice communities. He received a Ph.D. in Environmental Engineering Sciences, where he has since utilized his background in, and love of nature, to manage climate change and environmental education programs and to develop advocacy messages for non-profits. Before moving to the west coast, he was a founding board member of Blue Water Baltimore and the Maryland Climate Communications Consortium, where he led efforts to communicate complex scientific issues to lay audiences.

Fritha Knudsen, Corporate Sponsorship & Events

Executive Producer and Creative Director. Fritha is a creative force in corporate events production, and her clients include: Virgin Galactic Spaceport America,, Cisco, and the Olympic Games of 1996 and 2010. She lives in San Francisco and loves preserving its natural magic.

Photo by Troy Dean

Photo by Troy Dean

Paisley Schade, Membership, Marketing & Events

Creative Director and Writer. Paisley has worked at Landor Associates, Ogilvy, WineBid, and Peloton Imports, among other agencies, and her awards include One Show and Cannes Gold Lion. She is a Board Member of San Francisco Classical Voice.

Paisley has spent her career in branding and advertising. She is also a specialist in digital communication and strategy, but she has a knack with caterpillars too. 

Kirstin Weeks, Corporate Sponsorship & Sustainability

Senior Building Ecology Specialist at Arup. Kirstin works with architectural teams to produce projects that are sustainable and net positive for energy, water, health, and ecosystems. Kirstin joined Nature in the City’s Board in 2015, and acts as design community liaison, helping to raise awareness of the opportunities for biophilic design and integration of ecological function in the built environment.

Nature in the City is seeking new Board members. We value diversity and seek to create a strong board reflective of San Francisco's multicultural and economically diverse communities. 

If you are interested, please email us at info[at]