Heidi Sourwine

Heidi Sourwine

Executive Director 

Primary Responsibilities

  • Works with the board of the directors and the community to provide leadership for the annual, and long-term, direction and standards of operation for the land trust
  • Manages the land protection program and the development of strategic community conservation efforts
  • Provides guidance and insight into the creation of community partnerships, working with the Army on land protection projects, and establishing land protection goals
  • Ensures that the land trust operates in accordance to national best practices
  • Oversees all fundraising activities
  • Identifies opportunities to connect children and adults to nature and farms within Tug Hill

Past Experience

Before joining Tug Hill Tomorrow Land Trust, Heidi spent seven years with the Indian River Lakes Conservancy, where she served as Executive Director and previously as Program and Communications Coordinator. Her work focused on land protection, environmental education, community engagement, and outreach—helping to grow programs that made conservation personal and accessible for people of all ages and backgrounds.

Earlier in her career, she served as the Community Assessment Coordinator for the Greater Mohawk Valley Land Bank, where she built partnerships to tackle blight and reinvest in neighborhoods through strategic property redevelopment. She also worked as a naturalist and environmental educator at the Minna Anthony Common Nature Center, creating immersive nature experiences for children and families.

In another chapter of her career, Heidi managed Heath Photography Studio, where she worked closely with families to capture life’s milestones and preserve family legacies— an experience that deepened her appreciation for storytelling, memory, and heritage.

Education
Heidi holds a Bachelor of Science in Sociology from St. Lawrence University with a concentration in environmental sociology—the study of the relationship between people and the natural world, and how communities can work together to protect the places they love. Environmental sociology uplifts the idea that the health of our communities and the health of our environment are deeply intertwined, and that lasting conservation grows from care, connection, and collaboration.

Favorite Protected Place
French Settlement Nature Preserve in Lorraine, NY, one of Tug Hill’s seven nature preserves.

Hobbies
Hiking, paddling, making fairy houses, and any activity that gets kids excited about nature.

Silas Hart

Silas Hart

Land Protection Manager

 

Primary Responsibilities

  • Maintaining landowner and easement records
  • Annual monitoring of easements
  • Creating baseline documentation for new easement acquisitions

Past Experience
Environmental Specialist for Fourth Coast Inc. – Clayton, NY
Field/Lab Scientist for HDR – Nanuet, NY
Environmental Resource Management Promoter for United States Peace Corps – Fiji Islands
Biological Science Technician for United States Fish & Wildlife – Marquette, MI

Education
B.S. from SUNY ESF in Natural Resources Management

Favorite Protected Place
Adirondack Park

Hobbies
Fly fishing, Playing acoustic guitar; Disc Golf; Canoe camping with family and friends.

 

Logan Fults

Logan Fults

Land Protection Intern

Primary Responsibilities

  • Annual remote monitoring of easements
  • Maintaining landowner and easement records

Past Experience
Yellowstone National Park Tour Guide and Activity Guide at Lone Mountain Ranch in Big Sky, Montana

Education
Bachelor’s Degree from St. Lawrence University in Environmental Science with a focus in Biology

Favorite Protected Place
Glacier National Park

Hobbies
Hiking, going to the gym, golfing, playing basketball, and anything that involves adventure!

Emily Males

Emily Males

Communications & Marketing Director

Primary Responsibilities

  • Produce printed publications (Greenings, brochures and any promotional materials)
  • Manages online media outlets (e-newsletter, Facebook, Instagram and the website)
  • Assisting in fundraising efforts including donations/major gifts management and stewardship

Past Experience
Prior to joining Tug Hill Tomorrow Land Trust, Emily worked as the Marketing Coordinator at both Victory Promotions in Watertown, NY and The Golden Cleat in Clayton, NY

Education
Bachelor’s Degree in Business, Management and Economics with a concentration in Marketing from SUNY Empire State University

Favorite Protected Place
Grindstone Island Preserve

Hobbies
Spending time with family and friends, hiking with her dog and exploring new places

 

John Souva, III

portrait

John Souva, III

Conservation Consultant

Primary Responsibilities

  • Provides strategic guidance and technical expertise on land protection and stewardship projects as needed.
  • Provides consultation on stewardship planning, projects, and conservation best practices.

Past Experience

Conservation Manager with Tug Hill Tomorrow Land Trust

Soil and Water Conservation Technician in Montgomery County, NY.

Land surveying technician around Watertown and Northern NY.

National and State Park ranger positions around the country.

Education

Bachelors from Alfred State in Land Surveying Engineering Technology.

Associates from MVCC in Engineering Science.

Favorite Protected Place
Olympic National Park

Hobbies
Spending time outdoors with my family: hiking, fishing, canoeing, and camping. Exploring new places. Board Games.

Rachel Rosner

Rachel Rosner

Land Protection Intern

Primary Responsibilities

  • Helping lead THTLT through the accreditation process for their third re-accreditation
  • Audit conservation easement portfolios to ensure compliance with national legal standards, and prepare for national review
  • Manage filing and organizational systems

Past Experience
In addition to working with Tug Hill Tomorrow Land Trust, Rachel spends time working in the Law Office of James M. Brooks in Lake Placid, NY, providing clerical support and shadowing cases on land use and beyond. Rachel owns her own business providing vacation experiences to families and groups in New York and Virginia.

Rachel is applying to Law Schools to study environmental and intellectual property law.

Education
Bachelor of Science in Chemical Engineering with a minor in Engineering Business from the University of Virginia

Favorite Protected Place
Joseph A. Blake Wildlife Preserve in Rutland, NY – so nice to have protected land right down the road to my home!

Hobbies
Tennis, Reading, Skiing, and Aspiring Golfer

 

Mark Pacilio

Mark Pacilio

Executive Director

 

Primary Responsibilities

  • Works with the board of the directors and the community to provide leadership for the annual, and long-term, direction and standards of operation for the land trust
  • Manages the land protection program and the development of strategic community conservation efforts
  • Provides guidance and insight into the creation of community partnerships, working with the Army on land protection projects, and establishing land protection goals
  • Ensures that the land trust operates in accordance to national best practices
  • Oversees all fundraising activities
  • Identifies opportunities to connect children and adults to nature and farms within Tug Hill

Past Experience
Most recently held the position of Administration Operations Director at the Neighborhood Center in Utica from 2016 to July 2022. He was chief of staff in the New York State Assembly from 2009 to 2016. He was an owner and managing partner in several businesses from 2005 to 2009.

He has also been an adjunct instructor at Jefferson Community College since 2008 teaching business and government courses. He was the Executive Director of the American Red Cross of Northern New York from 1999 to 2005, Executive Director of the National Alliance for the Mentally Ill in Delaware from 1995 to 1998, and the Associate Executive Director of the Delaware Center for Justice from 1993 to 1995.

Education

Bachelors of Science from Utica College of Syracuse University

Masters in Public Administration from the University of Delaware

Favorite Protected Place
Sackets Harbor Battlefield and Washington Park

Hobbies
Attending live music shows and Syracuse Football games