COVID-19 Updates
Updated September 22, 2021

We are now only requiring a CC Vaccination Card for in-seat classes in Mass. See details. 

time exposed photo of headlights in urban center

Callahan, Peter

Adjunct Instructor
Cambridge College
School Affiliation

Cambridge College School of Undergraduate Studies


M.Ed. - Cambridge College
MLA - Kansas State University - Wetland Science and Management
Certificate - University of Washington - Wetland Science and Management
intensive one-year program - Conway School of Landscape Design - ecological landscape analysis, problem solving and design

Professional credentials
Massachusetts Preliminary Licensure and Endorsement for General Science 5-8

Professional Experience

Academic Teaching Experience

  • Adjunct Faculty - Alfred State College
  • Adjunct Faculty - Olympic College
  • Assistant Professor - North Carolina A&T State University
  • Visiting Professor - Oklahoma State University

Professional Experience

  • Landscape Designer - Poulsbo, WA
  • Design/Landscape Contractor - Seattle, WA
  • Site Planner/Designer - Independence, MO and Fox, AR
  • Land Planner - Troy, VT
  • Planner and Landscape Designer - Stowe, VT
Awards & Recognitions

The Honor Society of Gamma Sigma Delta.  The Honor Society of Agriculture NCA&TSU, 2000.

Commendation ASLA National Graduate Student Research Competition 1995, Master’s Thesis commended for “application and methods.”

The Dr. Robert P. Ealy Award.  Kansas State University. College of Architecture, Planning and Design. Award for Academic Excellence - May 12, 1995.

The Honor Society of Sigma Lambda Alpha. An international society promoting scholarship and leadership in landscape architecture. 1994.

The Honor Society of Phi Kappa Phi.  Kansas State University. 1993.

Research & Publications

“The Backyard of Youth: The Foundation of Biophilia “ Publication in Proceedings of ACSA, West Central Regional Meeting, 1999.

“Inter-subjective Qualitative Landscape Interpretation: A Contributing Research Methodology in the Exploration of the “Edge City” Publication in Landscape Journal Vol. 19 Numbers 1&2, 2000.

 “The Re-Design of the “Edge City”: From Isolation to Interaction” Publication in Proceedings in Isomul Conference, Waginingen University, The Netherlands, 2000.