Board of Directors

Susan Ellis, Chair, is a retired software engineer who worked for Silicon Graphics, Inc. and Amdahl Corp. She currently serves on two committees of the Pajaro Dunes Homeowners Association: Seawall Advisory and Landscaping. A life long plant lover, she includes landscape design, investing, and fabric dyeing among her hobbies. Susan is a resident of Menlo Park.

Susan Rosenberg, Vice-Chair, was raised in a small town in central California that boasted more oak trees than people. She co-founded and successfully concluded Palo Alto’s Trees for El Camino Project. She is also a founding board member of Canopy.

Marilyn Keller, Secretary, was elected to the Canopy Board in October 2011. Formerly a biologist working on health, environmental and safety issues associated with utilities at PG&E, Marilyn now devotes a lot of her time to working in the community. She was appointed to the The City of Palo Alto Utilities Advisory Commission in October 2005. She is an active member of the Palo Alto Unified School District Sustainable Schools Committee.

Beth Lim, Treasurer, is a finance and program management professional. She serves as the Director of Practice Development for CLASS Consulting Group, and mentors/volunteers with Girl Ventures in San Francisco. She spends her spare time rock climbing, mountain biking, hiking, and generally enjoying the great outdoors. Beth is a resident of Palo Alto.

David Collins is a risk management and treasury professional who works for a life science equipment manufacturer in Palo Alto. David has a B.A. from the University of Georgia and an MBA from Rice University. Having grown up in Montana, David enjoys the outdoors; his hobbies include skiing, gardening, and biking. David relocated to California in 2006 and now resides in Palo Alto.

Mark McInerney is an I.T. professional with a finance background who specializes in the implementation and management of enterprise systems. Growing up in the Bay Area, his deep appreciation for natural environments comes from the countless camping and day trips to California parks to hike, bike and surf. His passion for the beauty and importance of healthy forests grew even stronger while taking ecology classes in college. Mark has been a volunteer soccer coach for many years and enjoys biking, hiking, and scuba diving. Mark lives in Emerald Hills with his wife and two sons.

Sairus Patel has a passion for trees and ornamental gardening, and for how both contribute to a neighborhood. Bark, fall color, eucalypts, and eucalyptus-like trees are his current points of interest. He has volunteered for Canopy for several years, most recently as a contributing photographer for the online Tree Library. Canopy’s tree walks, Ron Bracewell’s Trees of Stanford and Environs, and, more recently, Matt Ritter’s A Californian’s Guide to the Trees among Us have been particular inspirations. He also serves on the board of Pacific Horticulture. He works in font technology, and lives in College Terrace with his partner and their Melaleuca quinquenervia.

Wen Shu Tang is a software engineer working in a technology startup company in Palo Alto. Previously, he was a software engineer in Cisco Systems for four years. He volunteered as a project lead in a nonprofit consulting organization where he helped several bay area organizations achieve sustainability. Wen Shu has an M.S. in Electrical and Computer Engineering from Carnegie Mellon University. In his spare time, he enjoys a wide range of activities from tennis, running, biking, traveling to reading and learning about biodiversity and environmental sustainability. In the summer time, he enjoys hiking and exploring the high Sierra of California. Wen Shu is a resident of Mountain View.

“Canopy meshes strategic vision and planning, technical know-how, volunteer and community partnering, educational outreach, and STILL manages to plant and care for thousands of trees on our streets and neighborhoods.”

~ Susan Rosenberg,
Canopy Co-Founder and Former Board Chair