Douglas Greef - Email & Phone Number

Senior Designer at Isg

Douglas Greef is based out of Green Bay, Wisconsin, United States and works at Isg as Senior Designer.

Douglas Greef's Contact Information

Douglas Greef's Work email

d*****@isg-o***.com

Valid

Latest update

June 9, 2026

Location

Green Bay, Wisconsin, United States

Douglas's current employer

Isg

Description

ISG is a nationally recognized multi-disciplinary design and engineering firm offering architecture, engineering, environmental and plann...

Website

is-grp.com

HQ Location

Mankato, MN, United States

Number of employees

501-1000

Industry

Architecture And Planning

Latest update

May 1, 2024

Read about Isg

Frequent questions about Douglas Greef

What company is Douglas Greef working for?

Douglas Greef works for Isg.

What is Douglas Greef's function at Isg?

Douglas Greef is Senior Designer at Isg.

Where is Douglas Greef based?

Douglas Greef is based out of Green Bay, Wisconsin, United States.

What is Douglas Greef's work email address?

Douglas Greef's professional email address is d*****@isg-o***.com

Who are Douglas Greef's co-workers?

Douglas Greef's colleagues are David Doxtad, Lynn Bruns, Fausto Florentino, Simon Burgess, Daniel Huerta, Alyssa Read, Denise Guhlke, Kaitlyn Pellinen, Mike Nelson, Derek Johnson, Brian Gjerde, Nicholas Loosbrock, Nick Ellenberger, Randy Potter, Lesa Drysdale, Alec Pfeffer, Chin Choi, Samantha Boeck, Eric Eby, Subash Chander, Tanya Pierce, Abby Gram, Nick McCabe, Emily Martens, Julie Sievers, Tom Grafft, Diana Welter, Mark Chambers, Lane Peters, Justin Steffl, Stacie Roiger, Jacob Sonnek, Jeremy Groskreutz, Sue Peterson, Nicholas Reynolds.

Douglas's co-workers

David Doxtad

President

Lynn Bruns

Chief Executive Officer

Fausto Florentino

Principal Chief Executive Officer

Simon Burgess

Joint Executive Chairman

Daniel Huerta

Employee Owner

Alyssa Read

Engineering Project Coordinator

Denise Guhlke

Employee Experience Coordinator

Kaitlyn Pellinen

Events + Marketing Coordinator

Mike Nelson

Vice President - MEP Leader

Derek Johnson

Executive Vice President

Brian Gjerde

Vice President

Nicholas Loosbrock

Marketing Event Coordinator

Nick Ellenberger

Vice President

Randy Potter

Director Of Production Operations

Lesa Drysdale

Director of Accounting

Alec Pfeffer

Director, Finance & Accounting

Chin Choi

Lead MEP Design Manager (Mission Critical)

Samantha Boeck

Director, Talent Engagement

Eric Eby

Director of Information Technology

Director of Marketing

Nick McCabe

Senior Environmental Scientist

Emily Martens

Water/Wastewater designer

Julie Sievers

Senior Water/Wastewater Specialist

Tom Grafft

Water/Wastewater Group Leader

Diana Welter

Support Specialist

Mark Chambers

Senior Project Architect

Lane Peters

Project Executive

Justin Steffl

Associate Principal, Project Manager & Construction Administrator - Architecture Group

Stacie Roiger

Talent Acquisition Manager

Jacob Sonnek

Structural Engineer

Jeremy Groskreutz

Environmental Scientist

Sue Peterson

Education Consultant - Strategic Planning and Facility Project Strategist

Nicholas Reynolds

SR Project Manager

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