Mark Speidel
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Mark Speidel Email & Phone Number

Principal, Senior Structural Engineer at I.L. Gross Structural Engineers LLC
Location: Mountlake Terrace, Washington, United States 5 work roles 1 school
1 work email found @ilgross.com LinkedIn matched
✓ Verified Jun 2026 4 data sources Profile completeness 100%

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Work email m****@ilgross.com
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Role
Principal, Senior Structural Engineer
Location
Mountlake Terrace, Washington, United States
Company size

Who is Mark Speidel? Overview

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Quick answer

Mark Speidel is listed as Principal, Senior Structural Engineer at I.L. Gross Structural Engineers LLC, a company with 8 employees, based in Mountlake Terrace, Washington, United States. AeroLeads shows a work email signal at ilgross.com and a matched LinkedIn profile for Mark Speidel.

Mark Speidel previously worked as Senior Structural Engineer, Project Manager at I.L. Gross Structural Engineers Llc and Project Manager at I.L. Gross Structural Engineers. Mark Speidel holds Bs, Civil Engineering (With An Emphasis On Structures) from University Of Arizona.

Company email context

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*@ilgross.com
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Profile bio

About Mark Speidel

I am a Licensed Structural Engineer in the State of Washington with two decades of experience working as a consulting engineer. As a Principal Engineer at I.L. Gross Structural Engineers in North Seattle, I have experience with the design of all types of structures, but have primarily specialized in the structural design of Mixed Use Developments, Historic Renovation (both design and studies), Low-Income Housing Projects, and Custom Residential Projects since moving to Seattle in 2001. I have done extensive work throughout Washington State and Oregon, and also have experience working on projects in California, Alaska, and Idaho.Specialties: I have extensive experience with the structural design of Architectural Structures, primarily focusing on single and multi-family construction, both new and renovations. Over the course of my career I have worked on Mixed Use Developments, Historic Renovations, Low Income Housing Projects and Developments, Commercial Developments, Higher Education Facilities, as well as single and multi-family Custom Residential projects.

Listed skills include Mixed Use, Construction, Engineering, Structural Engineering, and 26 others.

Current workplace

Mark Speidel's current company

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I.L. Gross Structural Engineers LLC
I.L. Gross Structural Engineers Llc
Principal, Senior Structural Engineer
mountlake terrace, washington, united states
Website
Employees
8
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5 roles

Mark Speidel work experience

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Principal, Senior Structural Engineer

Current

Mountlake Terrace, WA

As one of the Managing Principals and the Senior Structural Engineer at I.L. Gross Structural Engineers LLC, I'm still keeping the floors from touching and losing more quarter bets than I should. I.L. Gross is a full service Structural Engineering consulting firm, providing structural design services for projects throughout Washington.

Jan 2017 - Present

Senior Structural Engineer, Project Manager

Greater Seattle Area

Working as a Structural Engineer and Project Manager at IL Gross Structural Engineers, LLC, I am in charge of the Structural Engineering design, coordination and management for a wide range of projects. Basically, as a structural engineer, our job is to keep the floors from touching.

Jul 2014 - Dec 2016

Project Manager

I.L. Gross Structural Engineers

Greater Seattle Area

Working as a Lead Engineer and Project Manager at I. L. Gross Structural Engineers on a variety of structural engineering projects. My projects at ILGSE have included everything from smaller residential work to large scale mixed use developments.

Jun 2006 - Jun 2014

Project Engineer

I.L. Gross Structural Engineers

Seattle, WA

Jun 2001 - Jun 2006

Engineering Ambassador

"Engineering Ambassador" working with the College of Engineering and Mines at the University of Arizona. Our primary focus was on encouraging younger (grade school and middle school) students to consider engineering as a carreer/education, and to encourage High school students planning to major in Engineering to attend the University of Arizona.

Aug 1999 - Jun 2001
1 education record

Mark Speidel education

FAQ

Frequently asked questions about Mark Speidel

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What company does Mark Speidel work for?

Mark Speidel works for I.L. Gross Structural Engineers LLC.

What is Mark Speidel's role at I.L. Gross Structural Engineers LLC?

Mark Speidel is listed as Principal, Senior Structural Engineer at I.L. Gross Structural Engineers LLC.

What is Mark Speidel's email address?

AeroLeads has found 1 work email signal at @ilgross.com for Mark Speidel at I.L. Gross Structural Engineers LLC.

Where is Mark Speidel based?

Mark Speidel is based in Mountlake Terrace, Washington, United States while working with I.L. Gross Structural Engineers LLC.

What companies has Mark Speidel worked for?

Mark Speidel has worked for I.L. Gross Structural Engineers Llc, I.L. Gross Structural Engineers, and University Of Arizona.

Who are Mark Speidel's colleagues at I.L. Gross Structural Engineers LLC?

Mark Speidel's colleagues at I.L. Gross Structural Engineers LLC include Neha Raichur and Keri Hicks.

How can I contact Mark Speidel?

You can use AeroLeads to view verified contact signals for Mark Speidel at I.L. Gross Structural Engineers LLC, including work email, phone, and LinkedIn data when available.

What schools did Mark Speidel attend?

Mark Speidel holds Bs, Civil Engineering (With An Emphasis On Structures) from University Of Arizona.

What skills is Mark Speidel known for?

Mark Speidel is listed with skills including Mixed Use, Construction, Engineering, Structural Engineering, Construction Management, Feasibility Studies, Submittals, and Leed Ap.

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