The people behind the crews and The Mill.

Four members of staff started as Crew Members. Staff hold the credentials crews train toward, including Tree Tender, Flagger, forklift, Game of Logging chainsaw safety, OSHA 10/40, First Aid/CPR/AED, National Green Infrastructure Certification and Pesticide/Herbicide Applicator.

The Landforce staff team gathered under trees on a wooded park path
Portrait of Ilyssa Manspeizer, Ph.D., Chief Executive Officer
Ilyssa Manspeizer, Ph.D.Chief Executive Officer

An anthropologist with 30 years of experience in community-based development and natural resource conservation. Formerly Executive Director of the Mount Washington CDC, where she directed the Emerald View Park initiative for seven years. Ph.D. in Anthropology, Binghamton University.

Portrait of Heather Sage, Chief Strategy Officer
Heather SageChief Strategy Officer

Nearly 30 years in environmental conservation, social justice and nonprofit leadership. Helped shape the transition of the Emerald Trail Corps into Landforce; leads Periscope LLC and has held leadership roles at the Pittsburgh Parks Conservancy and PennFuture.

Portrait of Jasimine Cooper, Director of Workforce Development
Jasimine CooperDirector of Workforce Development

A Pittsburgh native with nearly 15 years of front-line social-service experience as a caseworker, direct service worker, lead trainer and manager. B.A. in Criminal Justice, Edinboro University; board member of G.O. Girls.

Portrait of Thomas Guentner, Director of Land Stewardship
Thomas GuentnerDirector of Land Stewardship

More than a decade of leadership and as many years as a trail builder. Managed the Emerald Trail Corps for the MWCDC; certified in Game of Logging, the National Green Infrastructure Certification Program and as a Pesticide/Herbicide Applicator.

Portrait of Edward Johnson, Director of Responsible Wood Products
Edward JohnsonDirector of Responsible Wood Products

Over 30 years in sustainable forestry and wood reuse, trained as a design engineer. Ran a 2,000-acre sustainable forestry program in the Pittsburgh area; now establishing Landforce’s sawmill, drying center and biochar production.

Luke HillegasMill Operations Manager

A lifelong Pittsburgh resident and former construction Safety Manager who developed OSHA-compliant programs and managed CDL licensing. Son of a union carpenter; Red Cross First Aid/CPR/AED instructor and volunteer firefighter/EMT.

Portrait of Tricia Dougherty, Director of Operations
Tricia DoughertyDirector of Operations

Joined Landforce in 2018 in a shared role with the Nine Mile Run Watershed Association. Political Science degree from the University of Pittsburgh; has served on boards including the Garfield Land Trust and the Mayor’s LGBTQIA+ Advisory Council. Point of contact for the non-discrimination policy.

Portrait of Elijah Johnson, Communications Manager
Elijah JohnsonCommunications Manager

A Savannah State University alumnus with a BBA in Marketing and two internships with the National Park Service. Brings visual arts and targeted messaging to telling the stories of Pittsburgh’s land and the people who restore it.

Portrait of Taima Ross, Work Readiness Manager
Taima RossWork Readiness Manager

A social-services background spanning deaf advocacy, language access rights and adult education. Built trails with the Youth Conservation Corps in West Virginia; studied French, Spanish and Arabic at West Virginia University.

Portrait of Anders K. Jeppesen, Project Manager
Anders K. JeppesenProject Manager

An educator with more than ten years as a teacher in Denmark. MA in International Development from the University of Pittsburgh, completed as a green technology fellow at Landforce in 2017.

Portrait of Nicole Holmes, Administrative Coordinator
Nicole HolmesAdministrative CoordinatorFormer Crew Member 2023

Born and raised in Homewood; joined Landforce as a Crew Member in 2023. Certified Tree Tender, First Aid/CPR/AED and Game of Logging chainsaw safety; currently studying to become an RN.

Portrait of Hakim Reed, Site Supervisor
Hakim ReedSite SupervisorFormer Crew Member 2023

A Detroit native who joined Landforce as a Crew Member in 2023 and returned as Site Supervisor in June 2024. Tree Tender, Flagger, forklift, Game of Logging, OSHA 10 and 40, First Aid/CPR/AED. Speaks publicly on restorative justice.

Portrait of Rickey Hebron Jr., Site Supervisor
Rickey Hebron Jr.Site SupervisorFormer Crew Member 2020

From Philadelphia; joined Landforce as a Crew Member in 2020, rose from Laborer to Grass Foreman at a local landscaping company, and returned as Site Supervisor in 2022. Tree Tender, Game of Logging, OSHA 10, First Aid/CPR/AED.

Portrait of Lance Dempster, Site Supervisor
Lance DempsterSite SupervisorFormer Crew Member 2024

Began as a Crew Member in 2024 and developed a passion for trail maintenance. Background in painting and roofing; certified in CPR, forklift operation, Game of Logging chainsaw safety and Tree Tender training.

Bios summarized from landforcepgh.org/about-landforce/our-team. Photography: Brian Cohen Photography (team portraits), courtesy Landforce. Full bios on landforcepgh.org →

Board of Directors

Governance

Landforce is governed by a volunteer board of five officers and eight members.

About the board
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Join the staff

Landforce currently lists two open positions, Site Supervisor and Senior Director of Strategic Partnerships & Government Affairs, and welcomes applications from people who identify with the people we serve.

Open positions