Maisie currently oversees programs that ensure policymakers, developers, designers and the business community use design and construction techniques that protect existing trees and create spaces to ensure large canopy tree growth. She also coordinated the Casey Trees headquarters Sustainable Sites Initiative™ (SITES) pilot project.

Areas of Expertise

  • Landscape architecture
  • Sustainable design
  • Trees and stormwater mitigation
  • Tree policy and legislative issues



  • Landscape Architect and Environmental Designer – Morgan State University
  • Program Coordinator – Maryland National Capital Park & Planning Commission
  • Program Coordinator – D.C. Parks and Recreation


  • Conservation Priorities Nomination Committee Member for the Smart Growth Alliance