Board of Directors

Matt DeVoll, Board Chair

Matt is president and CEO of Verticalive, an early-stage technology company involved in cloud computing. He previously served as vice president and general manager of a legal software division at Thomson Reuters.  Matt enjoys backpacking, alpine and nordic skiing, fly-fishing, and weekly hikes in the San Gabriel mountains.

Tim Wendler, Vice Chair

Tim is a professional environmental engineer, and is currently managing a national program of projects for an international petroleum client. He is the former chair of both the Hahamongna Watershed Park Advisory Committee and the Pasadena Recreation and Parks Commission. He is also an Advisory Committee member for the Santa Monica Mountains Conservancy. He lives in Pasadena.

Jim Osterling, Treasurer

A lifelong outdoorsman, Jim serves AFC as a land transaction advisor. He is involved in several local open space efforts, working on a project to provide trail access and a community garden on land he owns near Debs Park in Los Angeles, and on another project to create a park in Pasadena that would also serve as a memorial to the victims of the 9-11 terrorist attacks. Jim is an Eagle Scout, and a member of two local hiking clubs. He has worked in the field of real estate finance for 33 years.

Laura Garrett, Secretary

A lifelong environmentalist, Laura is Conservation Chair for the Pasadena Audubon Society, having served on its board since 2002. As a member of the City of Pasadena’s Open Space and Conservation Advisory Committee, she helped author the natural open space element of the city’s general plan. Laura teaches Rhetoric and Composition at Cal State L.A. She lives in Pasadena.

Don Hall

Don Hall has been a resident of Pasadena for over 30 years.  Each Sunday his hiking group ascends up a trail in the San Gabriel mountains to engage in nature.  Over the years he has served on several non-profit boards, including Pasadena Heritage.  Currently he is a financial advisor at Hall Capital, which he founded.

Katie Poole

Katie Poole is a devoted member of the “Coffee Hikers,” and wants to work to protect open space in the San Gabriel Valley.  Katie is also the proud leader of 6 backpacking, Gold Award Girl Scouts. Katie joined the Descanso Gardens Guild Board after 15 years at Walt Disney Imagineering’s Research and Development, where she directed software prototyping teams, pre-ceded by 10 years in technology companies.  After years in planning and tech, Katie immersed herself into creating and applying Descanso’s long term plan over 9 years.  Now Katie joins the AFC board aiming to contribute her professional planning background and UCLA MBA to the conservancy effort.  When not hiking, Katie chairs the Pasadena Festival of Women Authors.

Anthony Portantino

Anthony represented California’s 44th Assembly District from 2006 through 2012, when he termed-out. He has championed environmental causes for years, receiving special recognition from the Angeles Chapter of the Sierra Club for his environmental advocacy and his work in preserving wilderness areas. Anthony has served as a member of the advisory committee to the Santa Monica Mountains Conservancy, and played an instrumental role in the Arroyos & Foothills Conservancy’s acquisition of Rubio Canyon. Prior to his time in the Assembly, Anthony served for eight years on the La Cañada-Flintridge City Council, including two years as mayor. He lives in La Cañada-Flintridge.

Frank Simpson

Frank has lived in Southern California for the past twenty-five years. His work as a landscape consultant and educator reflects his keen interest in California native landscapes. His past work with the Rivers and Mountains Conservancy included numerous land conservation projects in the San Gabriel foothills. He currently works as a landscape consultant on water-conserving landscapes in partnership with Rancho Santa Ana Botanic Garden and the Council for Watershed Health.


George Abdo

George retired in 2011 as Vice President for Advancement for the Huntington Library, Art Collections and Botanical Gardens, upon completion of a campaign that raised $244 million. In his 9 years the Advancement office raised over $500 million. He previously served 24 years in the senior administration at USC, focusing on fundraising.  Earlier in his career he organized what is now known as the Southern California Grantmakers, and also worked on the staff of the Norton Simon Foundation. Holding a Ph.D. in religion and social ethics, he is a scholar in the field of philanthropy, with particular expertise about the responsibilities of nonprofit trustees.  He is also a Presbyterian minister. A 35-year resident of Pasadena, George grew up roaming the wilds of the Hollywood Hills, summering in the San Bernardino Mountains, and skiing and backpacking in the High Sierra.  In retirement George enjoys advising nonprofits on organizational strategy, board development and fundraising.

Thomas Juhasz

Thomas is an endangered species biologist and environmental planner. His work on environmental issues has led him through California to Hawaii, the Caribbean, and the Indian Ocean. He currently serves as an environmental project manager for AECOM, working as coordinator for the California High-Speed Rail project. In his spare time Thomas enjoys horseback riding, and is working to earn a falconry permit.

Roger Klemm

Roger Klemm is a software enginner at the Jet propulsion Laboratory, and has been involved with various community goups promoting conservation and environmentally sensible landscaping for over 20 years.  He has renovated community and school gardens, planted trees in local parks, and is introducing native plants on the campus where he works ("guerilla gardening").  He is involved with the eradication of invasive exotic plants in the Angeles National Forest and at the Rosemont Preseve, and is spearheading the renovation of a community entrance garden at Sunland Boulevard and the 210 freeway in Sunland.  Roger has a wealth of real-life knowledge of native plants, both where and how they grow in the wild, and how they can grace our cultivated landscapes.

Mickey Long

Mickey retired in 2011 from his position as natural areas administrator for the Los Angeles County Department of Parks and Recreation, having spent 39 years working in the county's Natural Areas Division. As administrator, Mickey operated the Eaton Canyon Nature Center in Altadena, along with 18 other natural areas. He has taught college environmental biology and human ecology courses, and currently teaches bird identification, botany and ecology classes for the county's nature centers. Mickey is vice president and rare plant chair for the San Gabriel Mountains Chapter of the California Native Plant Society, as well as a past president of the Pasadena Audubon Society. He advises AFC in habitat evaluation and restoration and assists with public education.

John Lynch

John has worked as a consulting arborist and landscape manager in the Los Angeles area for the last 20 years specializing in urban forestry and restoration ecology. He managed the nursery and grounds at Treepeople’s center for community forestry where he studied arboriculture. He also served as the resident caretaker at the Theodore Payne Foundation where a deep appreciation of the California landscape was reinforced. He is currently spearheading the Altadena Community Garden revitalization project which will showcase local native and useful Mediterranean plants. He first fell in love with his wife and Millard canyon when they hiked to the waterfall there on their first date. They now live near the mouth of the canyon and have been committed to restoring and protecting it as an important watershed and wildlife corridor.

E.J. Remson

E. J. Remson, Senior Program Manager for The Nature Conservancy in California, supervises both the L.A.–Ventura Project and the Tehachapi Project. He joined The Nature Conservancy in 2000 as director of the L.A.–Ventura Project after working in the fields of urban planning and commercial real estate development for 24 years. Mr. Remson’s planning career spanned 12 years, much of it as planning administrator for the City of Pasadena. He began his career in commercial real estate development, working on retail, industrial, office, and hotel projects throughout southern California. His interest in the preservation of natural lands led him to specialize in planning for growing communities without contributing to urban sprawl. With The Nature Conservancy he has acquired 33 properties for conservation totaling over 47,000 acres and has worked with local government agencies to protect open space, promote green infrastructure and on water policy . He has a bachelor’s degree in urban planning from California State Polytechnic University, and a master’s degree in real estate development from the University of Southern California.

Nancy Steele

Nancy co-founded the Arroyos & Foothills Conservancy and served as president from its inception in 2000 until 2011. She is the executive director of the Los Angeles-based Council for Watershed Health, a center for watershed research and analysis. In her career she has held a variety of positions in California state government related to environmental protection. She has also served on the Santa Monica Mountains Conservancy Advisory Committee. In 2010 she received a Women in  Business award from State Senator Carol Liu and State Assemblyman Anthony Portantino. Nancy lives in Altadena.

Marc Stirdivant

Marc is a senior administrative analyst for the City of Glendale's Community Services and Parks Department, where he serves as grants administrator and supervises trails and open space programs for the city's 5,000-plus acres of open space. Marc represents Glendale on the advisory committee to the Santa Monica Mountains Conservancy. He is chairman of VOICE (Volunteers Organized in Conserving the Environment), a Glendale-based open-space and environmental advocacy organization. He is a former board member of the Arroyos & Foothills Conservancy.

Rich Toyon

A 14th generation Native Californian and La Crescenta native, Rich Toyon is a cinematic production designer by profession, conservationist by heart.  He is active in Boy Scouts, local politics, and in representing the Tongva Nation for various environmental and public issues and serves on the board of directors for the Haramokngna American Indian Cultural Center.  Rich has been the guiding hand for many boy scout eagle projects on AFC properties.  He is the president of V.O.I.C.E., Volunteers Organized In Conserving the Environment and current member of the Friends of the Rosemont Preserve.

John Wros

John is an M.S. and M.P.A candidate at the University of Washington where he studies spatial ecology and wild-lands management. Having earned a B.A. in geology from nearby Occidental College, John has since worked in environmental geology and conservation from California to Alaska. Principally using geospatial tools for habitat prioritization and monitoring, his contributions to conservation include identification and stewardship of single land owner conservation easements, agricultural easements, and private and public acquisitions in excess of 40,000 acres. Currently away from California, John uses mapping and cartography to help inform AFC's conservation strategy and to visually tell the story of our lands.

Friends Groups

Friends of Cottonwood Canyon

Friends of Millard Canyon

Friends of Rosemont Preserve

Friends of Rubio Canyon


John Howell, Chief Executive and General Counsel

John became AFC's first Executive Director in July, 2010, having served before that on the board of directors. He is also a practicing attorney specializing in real estate, business, and contract law. John represented The Nature Conservancy in acquiring 14 open-space properties, and the Trust for Public Land in acquiring three. He was a founding member of Open Space Now, an advocacy group for natural open space in Pasadena, and is a member of the Arlington Garden Advisory Committee. John is a lifelong Pasadena resident.

Barbara Goto, Director of Operations

Barbara grew up hiking and skiing in the mountains of the Sierra Nevada.  An avid volunteer, Barbara joined forces with AFC when she discovered them raising funds to acquire the Rosemont Preserve, adjacent to her backyard.  A published author with degrees in Journalism and Law, Barbara writes and administers AFC’s grants and annual reports.   She works hard to facilitate new and stronger relations with local schools in the AFC service area and is a champion of our "Friends of" model of property management.

Tim Martinez, Program Administrator

Tim Martinez graduated from Cal State University, Northridge with a degree in Urban Planning, and is an environmental leader. He serves as the outreach coordinator for the Arroyo Seco Foundation, leading hikes and trash cleanups, and lecturing on the history and traditional uses of the native plants of the Arroyo Seco. Tim is also an active member of the sustainability club at Pasadena City College. A lifelong Pasadena resident, Tim is passionate about preserving native habitat and creating a world free of plastic pollution.

Jennifer Taylor, Donor Administrator

Jennifer came to AFC following a 20 year career with a statewide non-profit organization, where she was responsible for fundraising for 50 different health charities. During that time she worked side by side with environmental groups and often spoke in the community to raise money for them, too. Working with AFC today is a natural expansion of that work. She is happy to be working with the local land conservancy in her backyard and to know the generous volunteers that keep AFC's heart beating.