William Callahan
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William Callahan Email & Phone Number

Chief of Staff - ZGF at ZGF Architects
Location: Denver, Colorado, United States 7 work roles 5 schools
1 work email found @zgf.com LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email

Work email w****@zgf.com
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Current company
ZGF Architects
Role
Chief of Staff - ZGF
Location
Denver, Colorado, United States
Company size
726 employees

Who is William Callahan? Overview

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Quick answer

William Callahan is listed as Chief of Staff - ZGF at ZGF Architects, a company with 726 employees, based in Denver, Colorado, United States. AeroLeads shows a work email signal at zgf.com and a matched LinkedIn profile for William Callahan.

William Callahan previously worked as Chief of Staff at Zgf Architects and Company Commander at United States Army Reserve. William Callahan holds Master Of Business Administration - Mba, Strategy & Operations from Georgia Institute Of Technology Scheller College Of Business.

Company email context

Email format at ZGF Architects

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{first}.{last}@zgf.com
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Profile bio

About William Callahan

MBA in Corporate Strategy and Operations| Sustainability | Data Analytics | Tableau Visualizations | Risk Management | Decision Making | Leadership Development

Listed skills include Revit, Architectural Design, Sketchup, Design Research, and 15 others.

Current workplace

William Callahan's current company

Company context helps verify the profile and gives searchers a useful next step.

ZGF Architects
Zgf Architects
Chief of Staff - ZGF
united states
Website
zgf.com
Employees
726
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Company profile
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7 roles

William Callahan work experience

A career timeline built from the work history available for this profile.

Second Lieutenant - 12A Engineer Officer

United States Army Reserve
  • Platoon Leader: manage approximately fifty personnel
  • responsible for several million dollars worth of equipment Assistant Operations Officer (AS3): develop operations orders
  • lead physical training exercises
  • oversaw and navigated convoy movements
Oct 2014 - Jan 2017

Project Architect, Associate

Cooper Carry

Atlanta

  • Project Types: K-12 New Construction and Renovations, Mixed-Use New Constructionprogramming
  • code and zoning research
  • presentation preparation
  • material research and selection
  • schematic design
  • design development
May 2013 - Oct 2020

Intern

Design Cooperative, Llc

Atlanta, Georgia

  • Project Types: Commercial Officemodel making
  • construction documents
  • design build construction
May 2011 - Aug 2012
Team & coworkers

Colleagues at ZGF Architects

Other employees you can reach at zgf.com. View company contacts for 726 employees →

KG Kylie Gaines Kylie Gaines Colleague at Zgf Architects United States, United States View → CG Carey Givens Carey Givens Colleague at Zgf Architects Portland, Oregon, United States, United States View → HS Hanna Shum Hanna Shum Colleague at Zgf Architects Portland, Oregon, United States, United States View → CW Charles Weak Charles Weak Colleague at Zgf Architects Brooklyn, New York, United States, United States View → LN Lalida Nakatani Lalida Nakatani Colleague at Zgf Architects Los Angeles, California, United States, United States View → JG Jing Guo Jing Guo Colleague at Zgf Architects Cincinnati, Ohio, United States, United States View → AL Ari Lewkowitz Ari Lewkowitz Colleague at Zgf Architects Seattle, Washington, United States, United States View → RR Ricki Rothchild Ricki Rothchild Colleague at Zgf Architects United States, United States View → AC Alan Chou Alan Chou Colleague at Zgf Architects Portland, Oregon, United States, United States View → KW Kate Walker Kate Walker Colleague at Zgf Architects Portland, Oregon, United States, United States View →
5 education records

William Callahan education

Bachelor Of Architecture (B.Arch.) From College Of Architecture, Design, And Construction, Scholar At Honors College & Dean'S List At School Of Architecture, 3.7 Gpa

Auburn University

Activities and Societies: Tau Sigma Delta . Honors Society . 2012 Delta Iota Epsilon . Honors Society . 2011 Freedom by Design . Design.

Army Engineering, Distinguished Military Graduate

Engineer Basic Officer Leadership Course

20 week program • Advanced Rifle Marksmanship • Land Navigation • Demolitions • General Engineering • Army Physical Fitness Tests • 12.

Small-Unit Tactics, 92% Gpa

Officer Candidate School

12 weeks program • intense tactical and leadership training

Captains Career Course, General, Combat, And Geospatial Engineering, Exceeded Course Standards

U.S. Army Engineer School

Approximately 200 hours of online and 240 hours of class instruction at Fort Leonard Wood, MO. Studied MDMP, Engineer Offense and Defense.

FAQ

Frequently asked questions about William Callahan

Quick answers generated from the profile data available on this page.

What company does William Callahan work for?

William Callahan works for ZGF Architects.

What is William Callahan's role at ZGF Architects?

William Callahan is listed as Chief of Staff - ZGF at ZGF Architects.

What is William Callahan's email address?

AeroLeads has found 1 work email signal at @zgf.com for William Callahan at ZGF Architects.

Where is William Callahan based?

William Callahan is based in Denver, Colorado, United States while working with ZGF Architects.

What companies has William Callahan worked for?

William Callahan has worked for Zgf Architects, United States Army Reserve, Cooper Carry, and Design Cooperative, Llc.

Who are William Callahan's colleagues at ZGF Architects?

William Callahan's colleagues at ZGF Architects include Kylie Gaines, Carey Givens, Hanna Shum, Charles Weak, and Lalida Nakatani.

How can I contact William Callahan?

You can use AeroLeads to view verified contact signals for William Callahan at ZGF Architects, including work email, phone, and LinkedIn data when available.

What schools did William Callahan attend?

William Callahan holds Master Of Business Administration - Mba, Strategy & Operations from Georgia Institute Of Technology Scheller College Of Business.

What skills is William Callahan known for?

William Callahan is listed with skills including Revit, Architectural Design, Sketchup, Design Research, Bim, Submittals, Autocad Architecture, and Architectural Drawings.

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