MEET the TEAM

ISG Employee Owners

It’s important to put faces to names. While this isn’t a complete list of our employee owners, we want to introduce some of our movers, shakers, and difference makers.

Have you met one of our employee owners and want to get in touch with them? Looking to find the best point of contact for your next project or idea? Look no further.

Firm Leadership

Filter by:
View All
Growth + Strategy
Business Unit Leadership
Service leadersHIP
Text Link

Bob Nussear, AIA, LEED AP

Architecture Practice Group Leader
Employee Owner

Read on

Text Link

Casey Patton, PE

Water/Wastewater Practice Group Leader
Employee Owner

Read on

Text Link

Sue Peterson

Education Strategy Specialist
Employee Owner

Read on

Text Link

Alec Pfeffer

Chief Financial Officer
Employee Owner

Read on

Text Link

Tanya Pierce

Business Unit Leader, Government + Cultural
Employee Owner

Read on

Text Link

Danyelle Pierquet, PLA

Project Executive
Employee Owner

Read on

Text Link

Ronna Poppens

Development Strategist
Employee Owner

Read on

Text Link

Amanda Prosser, PLA

Vice President, Sports + Recreation
Employee Owner

Read on

Text Link

Tarah Raaum, AIA, NCARB

Business Unit Leader, Healthcare
Employee Owner

Read on

Text Link

Jacob Rischmiller, PE

Surface Water Group Leader
Employee Owner

Read on

Text Link

Dan Stueber, PE, LS

Geospatial Practice Group Leader
Employee Owner

Read on

Text Link

Chad Surprenant, PE

Chief Strategy Officer
Employee Owner

Read on

Text Link

Jesse Turner, PLA

Project Executive
Employee Owner

Read on

Text Link

Jeremy Wiesen, AIA, NCARB, LEED AP

Architecture Practice Group Leader
Employee Owner

Read on

Text Link

Mitchell Workmon, PLA

Landscape Architecture Practice Group Leader
Employee Owner

Read on

Text Link

Lynn Bruns, PE, LEED AP

Chief Executive Officer
Employee Owner

Read on

Text Link

David Doxtad, PE

President
Employee Owner

Read on

Text Link

Chad Surprenant, PE

Chief Strategy Officer
Employee Owner

Read on

Text Link

Samantha Boeck

Vice President, Talent Engagement
Employee Owner

Read on

Text Link

Andy Brandel, PE

Executive Vice President
Employee Owner

Read on

Text Link

Alec Pfeffer

Chief Financial Officer
Employee Owner

Read on

Text Link

Abby Gram

Vice President, Marketing
Employee Owner

Read on

Text Link

Eric Eby

Vice President, Information Technology
Employee Owner

Read on

Text Link

Ryan Anderson

Business Unit Leader, Commercial
Employee Owner

Read on

Text Link

Tanya Pierce

Business Unit Leader, Government + Cultural
Employee Owner

Read on

Text Link

Tarah Raaum, AIA, NCARB

Business Unit Leader, Healthcare
Employee Owner

Read on

Text Link

Leila Hussein

Business Unit Leader, Telecommunications + Utilities
Employee Owner

Read on

Text Link

Will Kratt, PE, PTOE

Business Unit Leader, Transportation
Employee Owner

Read on

Text Link

Julie Blackburn, CFM

Business Unit Leader, Water
Employee Owner

Read on

Text Link

Jake Jordan

Development Strategist
Employee Owner

Read on

Text Link

Brittany Morales

Development Strategist
Employee Owner

Read on

Text Link

Ronna Poppens

Development Strategist
Employee Owner

Read on

Text Link

Jay Lotthammer

Development Strategist
Employee Owner

Read on

Text Link

Michael Hille

Development Strategist
Employee Owner

Read on

Text Link

Sue Peterson

Education Strategy Specialist
Employee Owner

Read on

Text Link

Tom Brown

Food + Industrial Operations + Facilities Strategist
Employee Owner

Read on

Text Link

Chuck Brandel, PE

National Agricultural Drainage Expert
Employee Owner

Read on

Text Link

Michael Novitzki, MBA

Public Works Development Strategist
Employee Owner

Read on

Text Link

Darren Blue

Sports + Recreation Development Strategist
Employee Owner

Read on

Text Link

Kevin Bills, AIA

Vice President, Education
Employee Owner

Read on

Text Link

Brian Gjerde, PE

Vice President, Food + Industrial
Employee Owner

Read on

Text Link

Derek Johnson, PE

Vice President, Public Works
Employee Owner

Read on

Text Link

Neil Gray, AIA, LEED AP

Vice President, Residential + Mixed Use
Employee Owner

Read on

Text Link

Amanda Prosser, PLA

Vice President, Sports + Recreation
Employee Owner

Read on

Text Link

Jeremy Wiesen, AIA, NCARB, LEED AP

Architecture Practice Group Leader
Employee Owner

Read on

Text Link

Bob Nussear, AIA, LEED AP

Architecture Practice Group Leader
Employee Owner

Read on

Text Link

Jerremy Foss, PE, CNU-A

Civil Engineering Practice Group Leader
Employee Owner

Read on

Text Link

Alex Gregor

Electrical Engineering Practice Group Leader
Employee Owner

Read on

Text Link

Paul Marston, CFM

Environmental Practice Group Leader
Employee Owner

Read on

Text Link

Dan Stueber, PE, LS

Geospatial Practice Group Leader
Employee Owner

Read on

Text Link

Jane Miller, IIDA, LEED AP ID+C

Interior Design Practice Group Leader
Employee Owner

Read on

Text Link

Marlene Heymer, ASID, IIDA

Interior Design Practice Group Leader
Employee Owner

Read on

Text Link

Mitchell Workmon, PLA

Landscape Architecture Practice Group Leader
Employee Owner

Read on

Text Link

Tony Effenberger, PE, LEED AP

Mechanical Engineering Practice Group Leader
Employee Owner

Read on

Text Link

Danyelle Pierquet, PLA

Project Executive
Employee Owner

Read on

Text Link

Jesse Turner, PLA

Project Executive
Employee Owner

Read on

Text Link

Tiara Marcus

Project Management Practice Group Leader
Employee Owner

Read on

Text Link

Sam Brockshus, PE

Structural Engineering Practice Group Leader
Employee Owner

Read on

Text Link

Jacob Rischmiller, PE

Surface Water Group Leader
Employee Owner

Read on

Text Link

Matt Cherek

Telecommunications Practice Group Leader
Employee Owner

Read on

Text Link

Mike Nelson, PE

Vice President
Employee Owner

Read on

Text Link

Casey Patton, PE

Water/Wastewater Practice Group Leader
Employee Owner

Read on

The Latest From ISG

View All

Placeholder Item

News description will outline a short summary of the article. More than two lines will truncate, ending with an ellipsis.

Blog Tag

Not A Desk Job: Utility Coordination in Motion

University of Wisconsin-Platteville alum’s path from military machinery to multi-million-dollar infrastructure proves that careers are built in the field.

Employee Owners

Closing the Loop: Connecting Drainage, Irrigation, and the Full Water Cycle in U.S. Agriculture

For too long, we’ve engineered water off our fields, now it’s time to engineer it to stay.

Industry Insights

Uncovering The Hidden Value of Wetland Delineations, Rare Species Surveys, and Habitat Planning

Terms like wetland delineation, rare species survey, and habitat planning are often viewed as technical steps in land development or conservation work.

Industry Insights

Interns in Motion: Igniting Confidence, Culture, and Growth at ISG

Supported by experts across all of ISG’s services, interns engaged with clients, explored new tools, and gained insights into a fast-paced, collaborative, employee-owned firm.

Employee Owners

Game Changer Spotlight: Matt Casey

ISG welcomed Matt Casey, PE, in June 2025, bringing deep expertise that strengthens our Public Works bench and add momentum to our growing Arkansas team.

Employee Owners

Not A Desk Job: Insights From A Boots-On-The-Ground Professional

From job sites to project leadership, University of Wisconsin–Platteville alum brings hands-on experience and real-world problem solving to every mile of ISG’s transportation work.

Employee Owners

Let's Chat.

Challenge Us