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Roberta Catalinotto


Vice President, Development

During her 25+ years in the field, Roberta has led development programs for a broad range of nonprofits, including community-based, national and international organizations, and museums such as the Smithsonian Institution. When she became VP for Development at Friends of the Urban Forest in 2018, she felt that she had finally “come home,” because Friends of the Urban Forest’s mission combines her passions for the environment, social justice, and urban planning. Roberta is a life-long student, a political activist, and a serious hiking enthusiast.


Dr. Bunny McFadden


Community Workforce Development Director

Dr. Bunny McFadden (she/they) grew up reading books in the crook of a crabapple tree. With over ten years of experience in education and workforce development and a doctorate in education from the University of South Carolina, Bunny is committed to growing deep roots and building community in the Bay Area. Outside of work, Bunny can be found playing with ink in some form or another.

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Brian Wiedenmeier


Executive Director

Brian brings over 15 years of nonprofit management, public policy, and fundraising experience to his role as Executive Director of Friends of Urban Forest. Brian joined the organization in 2021 after serving as Executive Director of the San Francisco Bicycle Coalition. He is thrilled to lead a talented and passionate team in ensuring that all San Franciscans benefit from a robust urban canopy and neighborhood green space. Brian can often be spotted riding to Hawk Hill and he indeed appreciates that our office in the Presidio falls on his bike route.

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Jennifer Kim


Human Resources

Jennifer is a nonprofit management consultant who has been working with Friends of the Urban Forest for several years on human resources and contracts administration. Before starting her consulting practice, she had a career in nonprofit fund development, management, and philanthropic services. While she currently resides in Denver, Jennifer is dedicated to the Bay Area where she lived for 30 years and now visits as much as she can.


Jim Rogers


Finance and Contracts Director

As Friends of the Urban Forest’s Finance and Contracts Director, Jim brings 10+ years of nonprofit management, accounting, and information systems experience to the role. Prior to this role, Jim held the positions of Controller at Spirit Rock Meditation Center and Finance Manager at Greater Farallones Association. Jim enjoys running and hiking near his home in Woodacre, and he can also be found backpacking or backcountry skiing in the Sierra Nevada range.

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Paawan Kothari


Marketing and Communications Director

Paawan joined Friends of the Urban Forest in February as its first Marketing and Communications Director, a role newly created this year. She brings 15+ years of marketing experience from a range of organizations and thrives on building/elevating brands and people through storytelling. Paawan is an avid hiker, and her latest hobby is to count the Friends of the Urban Forest signs during her urban hikes in the city, a skill she has yet to master (there are so many, she loses count!).

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Mike Yarak


Program Director

ISA Certified Arborist WE-11781A

Mike joined Friends of the Urban Forest as an intern in 2015, right after graduating from San Francisco State University with a degree in Environmental Studies. What brought him to Friends of the Urban Forest was his love for trees. What has kept him here since then is the community engagement and participation to get more trees planted. Outside his interest in all things related to trees, Mike enjoys skateboarding and camping in the wilderness.

Board of Directors


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Josh Bagley


Neighborhood: Outer Richmond

Josh is the Deputy Chief Business Officer for the Presidio Trust, helping to transform the historic Presidio into America’s first financially self-sufficient national park site and ensuring that the Presidio will be visited and loved by all forever. Josh believes in the power of trees to improve personal health, mitigate climate change, and increase economic stability. He lives in San Francisco with his wife and two children, and they enjoy reading books, exploring parks, taking hikes, little league baseball, and youth soccer (for which Josh is a volunteer coach). He earned a BS in Urban Planning from the University of Southern California. 


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SaraT (ST) Mayer


Vice Chair

Chair, Finance and Audit Committee

Neighborhood: St. Mary’s Park

ST has experience working inside and outside government to advance equity. She most recently worked as the Chief Program Officer at Code for America, and before that as the Director of Public Health, Policy, and Planning for the San Mateo County Health Department. She has served on the Community Advisory Board for the Bay Area Air Quality Management District, as Board Chair at Human Impact Partners, and as a Board Member for the Housing Leadership Council. She joined the FUF Board because she loves walking and biking the city streets. She believes FUF is a part of making our public spaces healthy, green, and enjoyable for everyone. 



Victor Ruiz-Cornejo


Neighborhood: Mission District

Victor Ruiz-Cornejo serves as a policy advisor to San Francisco Mayor London N. Breed, with a focus on small business, economic recovery, arts & culture, cannabis, entertainment & tourism, and LGBTQ policy. Previously, Victor was Communications Director for Senator Scott Wiener. He joined the Friends of the Urban Forest board in 2022. Throughout his life Victor has had a love of plants and nature. Growing up he learned to garden with his mom, and believes everyone benefits from being surrounded by nature. Victor received a degree in International Relations from Stanford University. He was born and raised in Sonora Mexico, before immigrating to the United States at 8 years old.



Lara Hitchcock


Neighborhood: Sunset District

Lara is the Associate Vice President of People Strategy for the YMCA of San Francisco, focusing on culture, employee experience, organizational decision making, and internal communications. Prior to her current role, Hitchcock served as the Executive Director for two YMCAs in the GGNRA, working with partners across government, non-profit, foundation, and corporate functions to provide community programs in healthy living, youth development, and social responsibility. Hitchcock holds a BS from Boston College and loves hiking in her neighborhood and in the Golden Gate National Recreation Area with her husband and teen sons.

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Shaila Parikh


Neighborhood: Bernal Heights

Shaila fell in love with the trees of San Francisco over 10 years ago, walking along tree-lined Folsom Street in the Mission District. She believes a vibrant urban tree canopy is critical for physical and mental well-being and vital in addressing climate change. She is thrilled to be serving on the board. For the last 10 years, Shaila has helped build and scale fast-growing companies in healthcare and tech. Before that, she worked with communities in developing countries addressing issues of health, education, and economics. You can often find Shaila wandering the narrow, mulched pathways of the San Francisco Botanical Garden with her son and husband. 



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Ray Schreiber



Chair, People and Operations Committee

Neighborhood: Potrero Hill

Ray joined FUF’s Board in 2020 after having been a Volunteer Planting Leader since 2018. The longtime San Francisco resident believes in the power of trees to improve lives, fight climate change, and make everyone smile. He is committed to restoring and establishing a healthy, thriving tree canopy, especially in underserved neighborhoods. Ray has worked in leadership roles within enterprise software and technology firms for more than 20 years. His technology interests and experience range from supply chain and logistics solutions, wireless networks, and IoT technologies to data analytics. Ray has a BS and MS in Electrical Engineering from the University of Michigan and an MBA from Cornell University. 


Katie McCloskey John


Neighborhood: Russian Hill

Katie is a Director at PricewaterhouseCoopers (PwC), focusing on technology-driven transformation with expertise in carbon accounting and Environmental, Social, and Governance (ESG) initiatives. Her passion for sustainability was sparked during her college years when she studied abroad in Northern Europe, with a focus on landscape architecture, sustainable transit and waste management. Originally from the Bay Area, Katie holds a degree in Geography from the University of California, Berkeley. She enjoys exploring the outdoors, travel and photography.


Lindy Patterson


Neighborhood: Mission District

Lindy brings to the board more than fifteen years’ experience as a brand strategist and creative director, focused on helping mission-driven companies and nonprofits build powerful brands and influence positive change. A long-time San Franciscan and environmental justice advocate, Lindy believes deeply in the importance of urban green space and is dedicated to forwarding the role it plays in making our city healthier, happier, and more beautiful. She also loves biking, reading, disc golf, and growing things.

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Alison Torbitt


Lives in: East Bay

Alison is an Energy and Environment partner at Nixon Peabody, helping clients find sustainable solutions to environmental problems, looking for ways to mitigate risk while reducing pollution. She’s the co-chair of Nixon Peabody’s Legally Green Initiative, overseeing a $2M biennial pro bono commitment. Previously she worked as an aquatic toxicologist, utilizing her BS in Aquatic Biology from UC Santa Barbara. She received her JD from the University of Oregon, graduating first in her class. An avid scuba diver since age 15, Alison has been on 300+ dives around the world. Alison joins the Board to help improve San Francisco’s urban environment, increasing tree equity and pushing back against the devastating impacts of climate change. 

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