Brie Hensold is an urban planner, co-founder and principal of Agency Landscape + Planning. With a passion for understanding and improving communities and places, Brie brings a systems-based approach that celebrates diverse perspectives. She has extensive experience developing creative and meaningful community engagement processes. Brie’s work encompasses multiple scales, from downtown plans to citywide park systems to resilience strategies. Her work has received awards from the American Society of Landscape Architects, the American Planning Association and the American Institute of Architects, among others. She is a Design Critic in the Department of Urban Planning and Design at the Harvard Graduate School of Design where she also leads an executive education class in resilient cities. Download CV. 

Kate Tooke, a landscape architect and principal of Agency Landscape + Planning, has focused her career on the intersection of community and public space. She leverages a diverse background as an educator, an engineer and a landscape architect into a practice unabashedly passionate about connecting people to the urban environment. Kate’s listening-oriented approach to project leadership as well as her strategic thinking, design eye, and technical acumen have been instrumental in the success of diverse projects ranging from master planning to site-scale work and extending coast to coast. She is a prominent national voice in the movement towards contextual adventure playgrounds.

Jill Allen Dixon is a planner with a focus on the intersection of park/landscape planning, climate resilience, and public engagement. She has a passion for collaborating with communities to implement strategies that increase equitable access to parks and that grow greener, more resilient cities. Common to her work is a focus on bringing together diverse constituents to identify shared visions for places and open spaces. Jill believes that asking meaningful questions, providing accessible information, and listening carefully to responses will lead to creative ideas that advance multiple objectives.

Radhika Mahan is a landscape architect and project manager with a passion for bridging the gap between design and implementation to achieve high quality craftsmanship in her built work. She is experienced in managing projects from strong initial design ideas through to excellence in detailing, through all phases of design and construction. Radhika's work has spanned complex built landscapes and significant large-scale master planning projects, both national and international.

Xi Yang is a landscape architect with experience designing urban landscapes at multiple scales. A firm believer in the influences our built environment has on society and the individual psyche, Xi strives to create ecologically sensitive design that enhances physical and mental well-being, flexibility and diversity of uses. She’s also passionate about promoting equality in access to public landscapes across social subgroups and future generations. Originally from China, Xi holds a Master of Landscape Architecture degree from RISD and spends her free time reading about psychology and space.

Justina Cheng is an urban planner specializing in spatial data analysis and technical communication. Holding a Bachelor of Science in Environmental Engineering and a Master of Science in Sustainability, both from Tufts University, she is passionate about exploring the power of data to tell human stories that help solve urban and environmental problems. Justina strives to make technical information accessible to non-expert, and believes that relationship-building across disciplines and communities is key to inclusive and equitable planning. When Justina isn't fiddling with maps or coding in Python, she loves crafting, photography, and spending time outside.

Jackson Plumlee is a Philadelphia-based landscape designer and urban planner dedicated to advancing climate and housing justice through public design, planning, and policy. He supports clients, communities, and grassroots movements to envision and build their future. A determined activist and community organizer, Jackson also volunteers with local organizations, advocating for public funding and legislation to create a more equitable, resilient, and restorative built environment. Jackson holds Master of Landscape Architecture and Master of City Planning degrees from the University of Pennsylvania Weitzman School of Design. He can be found cooking, hiking, or plein air painting on the weekends.

Elsa Mark-Ng is the studio manager at Agency and an honors graduate of Oberlin College's Environmental Studies program. At Oberlin College, Elsa did research on how public environmental art can increase a community’s sense of place. At Agency, she supports the studio with marketing, business, and graphic design and leads communication and social media. Elsa enjoys crafting unique proposals that speak to the communities and clients that Agency aims to work for. She has also served as the communications lead for WxLA, an advocacy initiative for gender justice in landscape architecture. In her free time, you can find her making art, reading about trees, and biking around Cambridge.

Phoebe (Xiao) Cheng is a landscape architect drawn to the quiet magics embedded in a place. With a deep sensitivity in cultural relevance and equitable design, she advocates for thoughtfully curated public spaces that shape people’s perception and memory in urban environments, through establishing relationships between human beings, materials, and other inhabitants of nature. Phoebe holds a Master of Landscape Architecture from the University of Texas at Austin and is fluent in both English and Mandarin. In her spare time, she is an avid cinephile, enjoys hiking in the woods, and cherishes cozy times with her cat, Mono.

Mufeng Yu is an urban planner specializing in GIS data analysis, with a background in urban planning and design. She leverages urban design and data as an opportunity to promote social justice and ecological resilience. Dedicated to sustainability, Mufeng is passionate about creating spaces that foster strong connections between ecosystems and local communities. Her fascination with observing the ongoing dynamics of cities provides her with valuable insights to tackle complex urban challenges and inform decision-making processes. Mufeng holds a Master of Urban Design from UC Berkeley. In her leisure time, Mufeng enjoys cooking, photography, exploring cities, and spending time with adorable animals.

Arisa Shibusawa Lohmeier is a landscape designer who believes public space can help us deepen our personal and collective kinship with nature. Growing up between Chicago, Boston, Honolulu, and Providence, Arisa is passionate about the power of design to nurture one's sense of belonging to place and community. Arisa holds a Master of Landscape Architecture from the University of Pennsylvania and a Bachelor of Science in Environmental Science from Brown University. Outside of work, Arisa enjoys learning Chinese, eating ice cream, and spending time on the couch with her cat Mabel.

Yiyang Li is a landscape/urban designer passionate about the social and political dynamics in urban space. Before Agency, she had a brief adventure in property development and strategic consulting to disentangle how urban development reproduces or dismantles inequities. She is glad to join a team that shares her belief in inclusive planning and thoughtful design. Yiyang recently graduated with a Master in Landscape Architecture from Harvard Graduate School of Design. Originally from China, she enjoys spicy food and great films, and can be found relaxing near the water during her spare time.

Siqiao Zhao is a landscape designer passionate about celebrating the intersection of design and memory. Originally from Beijing, she earned her Bachelor of Arts in Environmental Design before moving to New England, where she completed her Master of Landscape Architecture at the Rhode Island School of Design. With an international background, Siqiao believes thoughtful design has the power to heal landscapes that are sensitive ecologically and culturally. She strives to be a good listener, embracing diverse perspectives to create spaces that are inclusive, safe, and responsive to the unique needs and voices of the communities she works with. In her free time, Siqiao enjoys spending time outdoors, crafting, and collecting frog art.

Eleanor Ryan is a graphic designer and graduate of Rhode Island School of Design where they majored in graphic design and minored in Nature, Culture, and Sustainability Studies. Their degree project at RISD focused on wetland environments of Rhode Island and creating a safeguard against rising water levels in a shifting climate. Eleanor’s nature-inspired and engagement-centered design work addresses community needs through the lens of sustainable land use and stewardship. In their free time, they enjoy painting and sewing, and they often can be seen scootering around the streets of Boston.

Yuhan Su-Reilly is a landscape designer with a Master of Landscape Architecture from the Rhode Island School of Design and dual Bachelor’s degrees in Environmental Design from Huazhong University of Science and Technology and Landscape Gardening from Huazhong Agricultural University. She received the 2023 ASLA Merit Award and ASLA Honor Award for her collaborative project “PLAY WITH DIRT,” which explored playful, interactive ways for children to benefit from the soil’s microbiome. Her work focuses on reawakening people’s sensory connection to nature through artful landscapes, with a keen interest in plant aesthetics. Outside the studio, Su enjoys tending to houseplants, painting, cooking, and watching cat videos.

Hannah Ahlborn is an urban planner who believes that the public realm has a duty to support health, happiness, and justice for all people. Growing up in a rare walkable pocket of an LA suburb influenced her understanding of places’ ability to foster independence, accessibility, enrichment, and quality of life. Hannah is passionate about creative and engaging planning processes that welcome underrepresented perspectives. She holds a Bachelor of Science in Urban Ecology from the University of Utah and has worked on comprehensive planning, trails and open space plans, and development code projects in rural and gateway communities throughout the Western US. Outside of the office, you can find Hannah drinking coffee with friends, perusing Haymarket, or pickling something.

Mia Abulaf is an administrative assistant who thrives behind the scenes, keeping operations organized and running smoothly. With a background in project management across fields like political science and information technology, she brings a versatile skill set to support the team in a variety of ways. Outside the office, she enjoys going on long scenic hikes, trying out new recipes, and talking about the Tour de France. She can often be found deep in reality TV marathons or crafting vision boards to map out her next big idea.

Kelvin Vu is a summer landscape designer interested in the intersection of the performing arts and built environments. He is a recent graduate of the architecture and landscape architecture programs at the University of Pennsylvania, where his work included running up and down piles of trash, dancing over fallen trees, and reenacting the historic workshops of Lawrence and Anna Halprin. His background includes an undergraduate degree in Environmental Studies from Yale, training at the San Francisco Conservatory of Dance, and experience as a professional dancer. Outside of the office, you can find Kelvin dancing, ice skating, climbing, or searching for new adventures.

Wallace Cotton is a summer urban planner and interdisciplinary professional interested in the nexus of urban planning, design, and behavioral psychology. He is passionate about making refuge easily accessible in cities and believes in supporting public life, collective agency, non-human ecologies, and the embedded history of places to do so. Originally from New York City, Wallace also brings UX, content strategy, and research to his spatial practice. He recently completed his Master in Urban Planning at the Harvard Graduate School of Design. After work, you can find him biking, plane-spotting, or finding awe—from solo hikes to humble neighborhood strolls.

Overseeing Omnes’ operations, Sheila M. Fuentes is a researcher, writer, and strategic organizer with a perspective centered in understanding the lived experiences of individuals and communities. She is a leader in planning and publication work, informing projects through skilled research, public engagement, and thoughtful analysis. Sheila comes from a background in academic publishing and non-profit development, having won and managed major grants and funding awards from a diversity of foundations and government agencies. Prior to joining Omnes, she also led the launch and curation of a gallery featuring artworks concerning land and landscape in Philadelphia’s Old City design district. She holds a Master of Fine Arts in Nonfiction Writing from Hunter College, City University of New York.

Sara Harmon is a landscape designer based in the Philadelphia area whose practice is rooted in a desire to bring light into the lives of others. A plant and history nerd, she revels in the details that bring spaces to life. Her experience ranges from small-scale courtyards to a regional vision of the future of Appalachia under the Green New Deal, and she has worked on public and private projects through all phases of design on both coasts. Sara believes a designer’s most important contribution is the creation with communities of beautiful, functional spaces that help address socio-economic issues while providing moments of joy to those who experience them. She holds a Bachelor of Arts in Landscape Architecture from the University of California, Berkeley, a Master of Landscape Architecture from the University of Pennsylvania, and is certified as a Certified Playground Safety Inspector. Outside of work, Sara enjoys doing DIY projects around the house, going for walks in cemeteries, and gardening.