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A

AIA CES Credits

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AV Office

321M Fayerweather Hall

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Christopher Day, Kane H. Chiang, Ben Goldie
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Abstract Publication

415 Avery Hall

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Ilana Curtis
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/abstract
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Academic Affairs

400 Avery Hall

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Danielle Smoller
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Academic Calendar, Columbia University

http://registrar…
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Academic Calendar, GSAPP

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Admissions Office

407 Avery Hall
1172 Amsterdam Avenue
New York, New York 10027

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Steffen Boddeker, Sara Konekeo, Monisola Fakiyesi
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/admissions
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Advanced Standing Waiver Form

Must be printed and returned to 400 Avery Hall

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https://d37vpt3x…
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Alumni Board

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Alumni Office

405 Avery Hall
1172 Amsterdam Avenue
New York, New York 10027

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Leah Cohen, Esther Turay, Elizah Laurenceau
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/alumni/contact
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Architecture Studio Lottery

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Assistantships

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Avery Library

300 Avery Hall
1172 Amsterdam Avenue
New York, NY 10027

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http://library.c…
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Avery Review

Joanna Joseph, Isabelle Kirkham-Lewitt
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Avery Shorts

Isabelle Kirkham-Lewitt, Joanna Joseph
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B

Black Student Alliance at Columbia GSAPP

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Building Science & Technology Waivers

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Bulletin Archive

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C

Career Services

300M Avery Hall

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Karen Cover, Rebecca Andersen Polimeda, Douglas Woodward, Sarahgrace Godwin
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Columbia Books on Architecture and the City

Isabelle Kirkham-Lewitt, Joanna Joseph, Meriam Soltan, Isabelle Tan
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Commencement

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Communications Office

415 Avery Hall

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Steffen Boddeker, Lucy Krebsbach, Ilana Curtis
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Conversations podcast

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Counseling and Psychological Services

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Courses

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Credentials Verification

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Credit Transfer

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Cross Registration

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D

Dean’s Letter

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Dean’s Office

402 Avery Hall
1172 Amsterdam Avenue
New York, NY 10027

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Janet Reyes, Sonya Marshall, Nicholas Roberts, Caio Major, Matthew Colunga
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Development Office

404 Avery Hall

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Leah Cohen, Esther Turay, Elizah Laurenceau
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Directory of Classes (All Columbia University)

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Disability Services

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Dodge Fitness Center

3030 Broadway Dodge

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Dual Degree Program Requirements

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E

End of Year Show

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Events Office

415 Avery Hall

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Steffen Boddeker, Lucy Krebsbach
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External Funding Sources

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F

Faculty Directory

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Feedback

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Finance Office

406 Avery Hall

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Janet Reyes, Kristina Camaj, Amanda Seitz
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Fitch Colloquium

Sarahgrace Godwin, Jorge Otero-Pailos
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/fitch
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Future Anterior Journal

Jorge Otero-Pailos, Sarahgrace Godwin
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G

GSAPP Community Fellowship Program

Alade S. McKen
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GSAPP Emergency Fund

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GSAPPX+

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Grades

/grades
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Graduation

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Graphics Project

Yoonjai Choi
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H

Honor System

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Human Resources

Elizabeth Alicea, Amanda Seitz
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Hybrid Pedagogy Resources

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I

IT Helpdesk Ticket, GSAPP

https://bit.ly/2…
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IT Office, GSAPP

Ben Goldie, Alvaro Gamboa, Christopher Hou, Roberto Marsach Jr., Nicholas Martucci, Diego Patino Toro, Hannette Un
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IT, Columbia University (CUIT)

http://cuit.colu…
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Identity

/identity
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Incubator Prize

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International Students and Scholars Office (ISSO)

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J

Job Opportunities at Columbia

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K

Kenneth Frampton Endowed Lecture Series

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Kinne Prize

/kinne
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L

LatinGSAPP

/latingsapp
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Leave of Absence Policy

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M

Making Studio

Schermerhorn Extension Floor 1

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Joshua Jordan, Yonah Elorza
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https://www.arch…
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N

News and Press Releases

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Newsletter Sign Up

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Non-Discrimination Statement and Policy

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O

Onera Prize for Historic Preservation

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Online Admissions Application

GSAPP Admissions 407 Avery Hall

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https://apply.gs…
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Output Shop

116 Avery Hall
1172 Amsterdam Avenue
New York, NY 10027

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Carlito Bayne, Sherly Orilas
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Ownership of Student Work Policy

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P

Paris Prize, Buell Center

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Paul S. Byard Memorial Lecture Series

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Percival & Naomi Goodman Fellowship

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Plagiarism Policy

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Policies & Resources

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Press Releases

/news
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Publications Office

415 Avery Hall
1172 Amsterdam Avenue
New York, New York 10027

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Isabelle Kirkham-Lewitt, Joanna Joseph, Meriam Soltan
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Q

QSAPP

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R

Registration

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Registration: Add / Drop Form

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Room Reservations

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S

STEM Designation

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Satisfactory Academic Progress

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Scholarships

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Skill Trails

Dan Taeyoung
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Student Affairs

400 Avery Hall

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Danielle Smoller, Emily Dennis
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Student Awards

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Student Conduct

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Student Council (All Programs)

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Student Financial Services

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Student Health Services at Columbia

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Student Organization Handbook

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Student Organizations

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Student Services Center

205 Kent Hall

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Student Services Online (SSOL)

https://ssol.col…
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Student Work Online

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Studio Culture Policy

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Studio Procedures

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Summer Workshops

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Support GSAPP

https://arch.giv…
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T

Travel Guide

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U

URBAN Magazine

/urban-mag
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University Apartment Housing (UAH)

http://facilitie…
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University Resources

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W

Website

Steffen Boddeker, Ilana Curtis
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Faculty

Graham Trelstad

Halftone image20160630 6 13ydeq5

Adjunct Associate Professor

M.S. Urban Planning

Graham L. Trelstad, is Senior Vice President at WSP USA, Inc. Mr. Trelstad has 30 years of community planning experience, including preparation of comprehensive plans, zoning studies and code amendments, special area plans, and site plan and subdivision application reviews. He has completed several major local and regional planning studies that combine land use planning, economic development, and water quality protection or integrate land use planning with transportation and traffic management.

Mr. Trelstad’s practice also includes preparation of environmental impact statements under the New York State Environmental Quality Review Act (SEQRA), New York City Environmental Quality Review (CEQR), and the National Environmental Policy Act (NEPA) for public actions, private developments, and large transportation and infrastructure projects.

Since 2013, Mr. Trelstad has been a Board Member of Hudson Valley Pattern for Progress, a 501( c )( 3 ) that provides objective research, planning, and educational training throughout the Hudson Valley region. Its work identifies civic challenges and promotes regional, equitable, and sustainable solutions to constantly improve the quality of life in Hudson Valley communities.

Mr. Trelstad received his Bachelor of Arts in urban planning from Columbia University and his Master of Environmental Studies in hydrology and watershed management from the Yale School of Forestry and Environmental Studies (now the Yale School of the Environment).

Courses

Course Semester Title Student Work Instructor Syllabus Requirements & Sequence Location & Time Session & Points Call No.
PLAN6328‑1 Fall 2025
Site Planning & Support Systems
 Graham Trelstad
412 Avery
TH 5 PM - 7 PM
Full Semester
3 Points
 17799
Pla6065 Spring 2025
Environmental Impact Assessment
 Graham Trelstad
200 BUELL
F 9-11AM
FULL SEMESTER
3 Points
 13331
Pla6328 Fall 2024
Site Planning & Support Systems
 Graham Trelstad
412 AVERY
TH 5 PM - 7 PM
3 Points
 10879
See all