His research examines systemic inequities that are displayed through class, race, political economy, and relationships to nature. He has used this justice-focused lens to look at homelessness in parks, outdoor education, public land management, and place attachment in protected areas. His classes include social justice in parks and recreation, wilderness issues, and research methods. For more than a decade, Jeff has been an instructor for Outward Bound, facilitating challenging experiences for youth and adults in wilderness settings. He enjoys rock and ice climbing, backpacking, skiing, and canyoneering. More commonly, Jeff likes long runs, small-scale urban farming, and hanging with his family.