Our People: Experts in Action
Working to create lasting solutions in Pennsylvania, Delaware and around the world.
Our Offices: Visit the chapter's Contact Us page for information about our office locations in Pennsylvania and Delaware.
Media Inquiries: To schedule an interview with a member of our science, conservation or policy staff please contact Kathleen McFadden, Media Relations Manager, at k.mcfadden@tnc.org.
Leadership Team
Lori Brennan, Executive Director
Lori’s responsibilities include implementing TNC’s ambitious conservation agenda that benefits both people and nature. She leads a team of more than forty across Pennsylvania and Delaware. Lori also works with other state chapters of The Nature Conservancy and external partners across the region to build cross-boundary approaches to ensure effective conservation in the face of large-scale threats like climate change and biodiversity loss.
“My work is personally fulfilling because I know that I am working to make the world a better place—I am a part of the solution to fight climate change and positively impact the planet. It’s important to me to create a positive and lasting impact for my daughter and for future generations.”
Donna Bowers, Deputy Executive Director
email: dbowers@tnc.org
Donna’s work is focused on fundraising and growing a network of supporters, building and strengthening our Board of Trustees and overall Chapter operations.
“I enjoy meeting and sharing experiences in nature with our donors, volunteers, and supporters. I enjoy collaborating and working alongside our incredibly talented and committed staff across The Nature Conservancy to achieve our critical conservation mission.”
Tammy Bean, Director of People & Culture
email: tammy.bean@tnc.org
Tammy coordinates the people and operational needs of the PA & DE offices by overseeing day-to-day tasks and managing the administrative responsibilities related to human resources, office administration, and facilities.
“I enjoy working in my role as Director of People and Operations because it provides me the opportunity to put my values into action. Two of my core values are relationship building and implementation and this position has me living out these two values every day.”
Evan Endres, Pennsylvania Director of Government Relations and Policy
email: evan.endres@tnc.org
Evan works to help Pennsylvania achieve reduction of the emissions that cause climate change. He works with constituencies, regulators and elected leaders to build Pennsylvania climate leadership and pass policies that contribute to healthy climate future for nature and people.
“I enjoy building a better climate future and helping people make the connection between their love of nature and our need to take action on climate.”
Keith Fisher, Director of Conservation Programs
email: keith_fisher@tnc.org
Keith leads a team of very talented conservation professionals focused on achieving The Nature Conservancy’s conservation goals and outcomes in Pennsylvania and Delaware.
“I enjoy my work because it is challenging, diverse, and focused on meaningful outcomes that make a difference for the future.”
Emily Knearl, Delaware Director of Government Relations & External Affairs
email: emily.knearl@tnc.org
Emily serves as TNC’s outward-facing representative of The Nature Conservancy's priorities, projects and accomplishments in Delaware. In coordination with Executive Director Lori Brennan, chapter staff, Delaware trustees and volunteers, she plans, implements and coordinates efforts to further TNC's mission and goals in the First State.
“All my life I have loved public policy because it’s about people coming together to make the world a better place. I enjoy working with people, developing legislative strategy and communications, and that it all has a higher purpose—to protect the Earth.”
Trent Knoss, Director of Communications & Marketing
email: trent.knoss@tnc.org
Trent manages our print, web, video and social media communications channels in order to tell compelling conservation stories and boost TNC’s reputation as a leader in science-based management.
“Communications is mission-driven work for me, and I enjoy being part of an organization that is in the field making a real difference on today’s most pressing environmental challenges.”
Tim Thiess, Director of Finance & Operations
Email: tim.thiess@tnc.org
Tim oversees all fiscal operations functions within the Pennsylvania/Delaware chapter.
“I enjoy being able to utilize my expertise in financial management to aid in driving towards the accomplishment of such well-intentioned and impactful organizational goals.”
PA/DE Staff
Molly Anderson, Volunteer & Member Engagement Program Manager
email: molly_anderson@tnc.org
Molly oversees the coordination, management and recognition of the PA/DE volunteer network as well as engaging partners, members and the general public for the advancement of conservation strategies across Pennsylvania and Delaware.
“I most enjoy connecting with staff, volunteers, partners and members who are passionate about conservation and want to do more to make a difference. Promoting TNC’s work, inspiring others to connect with nature and join the effort provides continuous motivation and enthusiasm.”
Chris Arnott, Freshwater Project Manager
email: christine.arnott@tnc.org
Chris works on a variety of projects aimed at protecting, restoring, and managing our freshwater resources in the Chesapeake and Delaware River Watersheds. She helps manage various collaborative partnerships aimed at restoring and reconnecting rivers, improving stream resilience, managing dam releases for ecological flows and reducing nutrient runoff from agricultural lands.
“I enjoy my work because I am a mission driven person and TNC’s mission aligns with my passion for protecting natural resources and clean water. TNC’s conservation strategies are grounded in science and partnership, and I strongly believe that science-based decision making will ultimately be the most successful.”
Lucas Bolno, Chesapeake Bay Agroforestry Specialist
Email: lucas.bolno@tnc.org
Lucas supports TNC’s national Expanding Agroforestry Project by developing and implementing strategies to accelerate the widespread, market-driven adoption of agroforestry in the Chesapeake Bay Watershed.
“I enjoy working on what I am passionate about – employing ecological principles on farms to contribute to the development of resilient and regenerative food systems and the creation of healthier communities and ecosystems. I love getting to work with farmers one-on-one to understand their relationship with their land and help address their needs.”
Gary Boswell, IT Manager
Email: gary.boswell@tnc.org
Gary handles computer and technical needs for TNC staff who live or work in Pennsylvania or Delaware.
“It’s great to be working with such a diverse group of people who are all trying to improve the planet we all live on and have to share.”
Amanda Bunn, Applied Agricultural Conservationist
Email: amanda.bunn@tnc.org
Amanda works collaboratively with partners on agricultural conservation efforts that result in the reduction of nutrients and sediment reaching streams from agricultural sources, improving the resilience and sustainability of agricultural systems.
“I enjoy working with the agricultural community to find conservation solutions that are beneficial for the environment as well as for our region’s farmers. My work is rewarding because can use my skills and experience to have a positive impact on people and the environment as part of an organization with a strong foundation in science.”
Kelsey Cannon, Associate Director of Development
email: kcannon@tnc.org
Kelsey strives to build lasting relationships with supporters who are committed to preserving our natural world—both now and for future generations to come.
“I enjoy engaging with dedicated supporters to help further their connection to the inspiring work they are most passionate about.”
Michael Cantwell, Development Coordinator
email: Michael.cantwell@tnc.org
Michael ensures proper management of our donor database and supports development staff with constituent management and research.
“I enjoy my work because it supports a cause I genuinely support and allows me to make an impact where I previously could not apply my relevant experience.”
David Cavanaugh, Pennsylvania Fire Program Lead
Email: David.cavanaugh@tnc.org
David works to strengthen TNC’s relationships with our partners across the state of Pennsylvania and to advance the role of prescribed fire on our landscapes. He assists our partners’ fire management programs, including training, planning, implementing, and monitoring.
“I enjoy collaborating with TNC employees and our partners with the shared goal of increasing our forests’ resiliency using prescribed fire. Each day brings a unique and rewarding challenge.”
Ben Chase, Conservation Forester
Email: ben.chase@tnc.org
Ben’s work focuses on increasing forest health and resiliency on TNC preserves and Working Woodland sites. He also collaborates with partner organizations to support climate-forward forest management.
“I enjoy the fact that this work takes such a long view of environmental health. In making management decisions, we have to think about how that ecosystem will look and function in one year, 30 years, 100 years, and 200 years. Managing for resilience means responding to current threats to an ecosystem, but also preparing to respond to unknown threats in the future.”
Mari-Beth Delucia, Director of Land Protection
email: mdelucia@tnc.org
Mari-Beth leads our Kittatinny Ridge Initiative to accelerate the pace of land protection along the ridge, a critical climate corridor. She also leads our migratory fish conservation and restoration work.
“I enjoy working with partners and being able to leverage TNC expertise and resources.”
Lyndon DeSalvo, Urban Conservation Program Manager
email: Lyndon.desalvo@tnc.org
Lyndon manages a portfolio of multi-scale urban conservation projects that focus on research, planning, and implementation of nature-based solutions with a wide and diverse set of partners across Pennsylvania and Delaware. Much of his work with TNC to date has focused on advancing green stormwater infrastructure (GSI) through direct implementation of on-the-ground projects with community partners and managing broader research and policy efforts that demonstrate the impacts of these innovative nature-based approaches.
“I enjoy collaborating with a range of partners and stakeholders to identify creative nature-based solutions to already complex issues, which will further compounded due to climate change.”
Jennifer Drass, Donor Relations Manager
Email: Jennifer.drass@tnc.org
Jennifer identifies, cultivates, and stewards donors utilizing donor engagement strategies including special events and programs, tailored communications, and individual outreach.
“It is rewarding to help our donors realize the impact of their gifts and how their generosity helps to advance TNC’s conservation efforts. I enjoy the growth mindset of our staff as well as our supporters and I can’t imagine a more relevant, urgent mission to support.”
Su Fanok, Director of Freshwater Conservation
email: sfanok@tnc.org
Su is the creative lead of a team of freshwater practitioners working in the waters of Pennsylvania and Delaware to ensure the health, sustainability, and resilience of freshwater ecosystems.
“I enjoy learning about the charismatic diversity of life that inhabits the rivers and streams of Pennsylvania and Delaware and working hand in hand with people and communities to conserve them.”
Tyler Fisk, Land Protection Program Specialist
email: tyler.fisk@tnc.org
Tyler coordinates project approvals and legal reviews of real estate acquisition projects, including maintaining and updating conservation land databases and aiding in conservation planning with the land protection team.
“I enjoy working collaboratively across disciplines and backgrounds to help conserve open space. This work is rewarding as TNC can leverage its science-based decision making to have lasting impacts for the planet and people.”
Tamara Gagnolet, Conservation Science & GIS Manager
email: tgagnolet@tnc.org
Tamara guides data management, spatial analysis, and map production to inform our conservation actions in Pennsylvania, Delaware, West Virginia, and the Appalachians Program. Our PA/DE GIS Team helps prioritize land protection efforts, designs data collection systems for monitoring and management activities on the lands we protect, creates maps and web maps for communicating our conservation work, and supports collaborative data analysis, management, and mapping in a shared workspace in the cloud.
“I enjoy providing GIS support for colleagues across multiple teams, telling stories with maps, and helping advance our geospatial systems for TNC as a whole.”
Michelle Giles, Pennsylvania Federal Policy Manager
email: michelle.giles@tnc.org
Michelle serves as the federal lobbyist to Pennsylvania’s congressional delegation. Through meetings with legislators and their staff, she seeks to influence policy in order to move us closer to reaching TNC’s 2030 goals.
“I enjoy the feeling that I am making a difference on an issue that is incredibly important to me. Climate change and the myriad of issues that stem from it are the biggest threat to our planet and I am grateful that I get to work to be part of the solution.”
George Gress, Fire Specialist & Land Steward
email: ggress@tnc.org
George performs maintenance and management of TNC preserves in Pennsylvania and Delaware; assists with prescribed fire management and training, conducts research on bog turtles, assists freshwater and forest teams with management projects and controlling of invasive species.
“I enjoy the variety of work, being able to work outside and the great people that I work with and have had a chance to meet during my time at TNC.”
Kim Hachadoorian, Stream Stewards Project Manager
email: kim.hachadoorian@tnc.org
Kim manages Stream Stewards, a watershed stewardship program in Wilmington, Delaware. The core objective of the program is to provide community members with hands-on opportunities to connect to their local waterways through volunteer water quality monitoring, youth engagement programs and community outreach and events. The goal of this work is to inspire people to prioritize clean water and empower them to help protect it.
“I enjoy engaging with diverse groups of people and partners including residents of Wilmington, high school and college students and staff at community and conservation organizations throughout the Delaware River Watershed. It is very rewarding to provide people with opportunities to discover the threats to our waterways and an understanding of science-based conservation, especially as that process unfolds to reveal a deeper appreciation of the connection between people and nature.”
Elizabeth Hanson, Land Steward & Fire Specialist
email: elizabeth.hanson@tnc.org
Elizabeth's work centers around habitat management, restoration, and maintenance of our preserves in Pennsylvania. Some of her specific job duties include monitoring and removing invasive species, monitoring fee and easement properties, surveying bog turtles and assisting TNC and partners on prescribed burns.
“I enjoy being outdoors, my knowledge and use of a variety of equipment/machines, creating recreational opportunities for folks and protecting/managing habitat for a diversity of wildlife.”
Marc Healy, Urban Spatial Planner
email: marc.healy@tnc.org
Marc provides technical and scientific support for the Pennsylvania/Delaware Chapter’s Urban Conservation Program. He conducts analyses and manages projects to advance the urban program’s strategies and initiatives with a heavy emphasis on urban climate resilience and adaptation.
“I really enjoy the applied nature of the work and being able to collaborate with community partners to effect meaningful change.”
Will Helt, Director of Oceans and Coasts
email: william.helt@tnc.org
Will oversees the Delaware Bayshore & Seascape Program where we are currently seeking to improve coastal resiliency along Delaware’s coast in the face of climate change.
“What I enjoy most about my work is the opportunity to work with communities to think of green solutions that help both communities and nature adapt to the impacts of climate change.”
John Hinkson, Communications Manager
email: john.hinkson@tnc.org
John provides marketing and communications support to the PA/DE Chapter and its staff to advance TNC’s mission locally, throughout the region and beyond. He works with conservation, development and marketing colleagues to produce printed and digital materials and provides photography and drone support.
“I grew up in the country, spending nearly all of my time outdoors and becoming a life-long lover of nature in the process. Working for TNC is a dream come true –I get to help protect and conserve nature alongside my talented and interesting colleagues—people who share my concerns for our natural world and are trying to make the Earth a better place.”
Lillian Lavelle, Operations Specialist
Email: Lillian.lavelle@tnc.org
As the Operations Specialist, Lillian keeps The Hauser Nature Center open to the public, manages our fleet of vehicles, handles records management and provides support for chapter employees, especially during events at Hauser.
“I enjoy my work here at the Conservancy because I can bring my administrative and operations skills into the non-profit world in an impactful way. Through my role at TNC, I’ve joined a highly competent and compassionate group striving to preserve our planet.”
Jake Leizear, Conservation GIS Specialist
email: Jacob.leizear@tnc.org
Jake works on our Conservation Operations team providing mapping and analytics support for our chapter. He focuses on data management, GIS analyses, and cartographic product creation.
“I most enjoy the diversity of my work. I work on a wide variety of projects, and it makes sure no one day is exactly the same!”
Daniel Mayer, Policy Advocacy & Outreach Associate
Email: Daniel.mayer@tnc.org
Dan works on our Government Relations and Policy team. He helps develop engaging advocacy and policy content while also helping to maintain coalitions, legislative relationships, and partnerships.
“I enjoy the collaboration that comes with crafting engaging advocacy content and helping to shape policy that will further TNC’s climate and conservation goals.”
Pat McElhenny, Pennsylvania Stewardship Manager
email: pmccelhenny@tnc.org
Pat is responsible for leading the Stewardship Team’s management and maintenance of our preserves in Pennsylvania and ensuring that the annual legal monitoring responsibilities are completed. Pat also assists the Fire Manager with fire management responsibilities on chapter and partner lands and has been responsible for managing the PA Game Commission/PA Fire Grant since 2009.
“I enjoy seeing the positive change that we can make to our preserves or landscape projects through active land management (stewardship and prescribed fire). I also enjoy working outside with TNC staff and partners.”
Kathleen McFadden, Media Relations Manager
email: k.mcfadden@tnc.org
Kathleen’s role focuses on securing earned media coverage that raises awareness of the chapter’s work and thought leadership in conservation across both Pennsylvania and Delaware.
“I enjoy working with colleagues and partners who value our beautiful planet and the species with whom we share it. It is refreshing and rewarding to collaborate with and learn from so many brilliant people who are all on a shared mission to protect nature and address climate change in creative, science-backed ways.”
Jonathan Niles, Stream and Wetland Restoration Specialist
email: jonathan.niles@tnc.org
Jon’s work with TNC is focused on the Chesapeake Bay watershed of Pennsylvania. The program’s objectives are to accelerate stream and wetland restoration in the watershed to meet both water quality, wildlife and fisheries co-benefits in south-central Pennsylvania. As part of the program, Jon and his team are developing a robust regional partnership to accelerate stream and wetland restoration by performing targeted outreach, identifying potential projects and implementing stream and wetland restoration projects in the region.
“I love that TNC is a science-based conservation organization that works to advance the best conservation practices in a global, regional and local boots on the ground model. The ability to contribute to global advancement of science-based restoration and conservation while contributing regionally and locally to water quality and wildlife habitat enhancement is the most rewarding part of my work.”
Charlie Ritter, Legal Compliance Specialist
email: charles.ritter@tnc.org
Charlie oversees the annual legal monitoring program of all PA/DE lands, as well as provides direct technical GIS support to our Stewardship Team. Additionally, he serves as the liaison between landowners, the legal and stewardship teams, and the public to ensure all lands held by PA/DE are in legal compliance.
“I enjoy working alongside multiple stakeholders every day that share my passion for conserving and protecting the Appalachian landscape to create a resilient and connected network.”
Stephen Ruswick, Land Steward & Fire Specialist
email: stephen.ruswick@tnc.org
Stephen helps restore and maintain The Nature Conservancy preserves in Pennsylvania and Delaware. This responsibility often includes using prescribed fire to enhance habitats for threatened fire-adapted flora and fauna.
“I love the people; TNC employees, volunteers and conservationists at other organizations all coming together to make meaningful change. I also enjoy getting to spend so much time outside.”
Kelsey Shady, Manager, Executive Director's Office
email: kelsey.shady@tnc.org
Kelsey's role is to provide direct administrative support to the PA/DE Chapter’s Executive Director as well as serving as the liaison for the Board of Trustees. This position requires a high level of organization, coordination and behind-the-scenes management in order to advance TNC’s priorities.
“I am proud to work for a company who are champions for science, the environment and who are invested in the well-being of our future. It is exceedingly important work and I love that I can be a small piece in the puzzle.”
Melisa Soysal, Digital Marketing Manager
email: melisa.soysal@tnc.org
Melisa manages all things digital for Pennsylvania and Delaware, sharing stories of the chapter's conservation efforts and successes across our social media channels (Instagram, Facebook, LinkedIn, & Twitter), web pages on nature.org and TNC's monthly e-newsletter, Nature News. She also does photography for both states and creates and designs several of the chapter's printed materials.
“I enjoy coming up with fun and creative ways to share our conservation goals and projects while working with people who share my passion for protecting our natural world."
Kristen Stevens, Development Program Manager
email: kristen.stevens@tnc.org
Kristen oversees the Chapter’s development operations including gift coding, gift processing and fundraising systems to optimize use of fundraising systems and ensure donor intent is met. She works on strategies to ensure sufficient funding for current and future year priorities and works closely with development staff to set and meet long term objectives.
“I enjoy using my fundraising experience and analytic skills to maximize program success and contribute to the larger mission.”
Russell Souder, Delaware Land Steward
email: Russell.souder@tnc.org
Russell is the boots on the ground for fee and easement monitoring of properties in Delaware where he also oversees preserve maintenance and stewardship. He is also on TNC’s prescribed fire team, most recently working for Maryland DNR as a prescribed fire technician.
“I’ve been enjoying getting a more intimate knowledge of Delaware’s ecosystems and am looking forward to prescribed burns on some of our preserves. It’s rewarding to meet with landowners on property easements and engage with the public while I’m out maintaining our preserves. Always nice to meet like-minded people who share passions for the outdoors and align with TNC’s vision for land conservation.”
Emily Tramontano, Land Steward
email: emily.tramontano@tnc.org
Emily is a member of the stewardship team based in northeastern Pennsylvania working on habitat restoration, public recreation, and preserve maintenance projects.
“I am immeasurably grateful to contribute to the mission of TNC as it directly mirrors my own mission towards conservation and sustainable practices. Getting to spend as much time on our beautiful preserves as I do is a gift, especially when my work is positively impacting natural and human communities alike.”
Julie Ulrich, Director of Urban Conservation
email: julrich@tnc.org
Julie leads a team that is focused on nature-based solutions to environmental challenges, like water quality and flooding problems, in Philadelphia and Wilmington. In Philadelphia, Julie’s team is working to build green stormwater infrastructure projects in support of the city’s Green City, Clean Waters plan.
“What I love most about my job is showing how nature—in our cities, across our neighborhoods, in our urban rivers, in our backyards—can achieve significant and long-lasting benefits for nature and people.”
Natasha Whetzel, Delaware Stewardship Manager
email: natasha.whetzel@tnc.org
Natasha is responsible for overseeing the management and restoration of our nature preserves in Delaware. The overall conservation goal is to protect the natural plant and animal communities that inhabit our preserves. She is also an integral member of the PA/DE fire team and commonly travels throughout the region to assist on TNC and partner burns.
“I enjoy my work because by protecting and restoring our natural lands, I am supporting a more sustainable future.”
Nicole Wooten, Appalachians Land Protection Manager
email: Nicole.wooten@tnc.org
As the Appalachians Land Protection Manager focusing on the Kittatinny Ridge, Nicole works with state agencies, local land trusts, and directly with landowners to protect critical climate-resilient lands. She also supports regional planning efforts (e.g. Kittatinny Ridge Conservation Landscape, Appalachian Trail Landscape Partnership, Highlands study group) to develop landscape-level land protection plans.
“I love considering how one puzzle piece—a 500-acre acquisition, a new partnership strategic plan, or a particular community’s needs—fit into the overarching goal to protect the Appalachians. It feels meaningful, in the face of the climate crisis, to contribute to a more balanced, resilient world.”
Kevin Yoder, Director of Land Management
email: kevin.yoder@tnc.org
Kevin works to enhance forest resilience and carbon storage on TNC’s Working Woodlands projects and preserves. He also helped launch the Family Forest Carbon Program (in partnership with the American Forest Foundation) to help private landowners increase carbon sequestration on their properties.
“I enjoy the diversity of people, projects, and habitats I get to work with. Adapting to new challenges and opportunities keeps my work exciting and each day a little different.”
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