our greatest asset

Our Team

As an employee-owned company, the majority of our team members enjoy a leadership role on every project he or she oversees. While titles and accolades do not define the type of people we are, we have the privilege of being led, from an executive standpoint, by some of the most experienced professionals in the industry, leaving the egos at the door.

FEATURED EMPLOYEE: Jeff Derosha, Project Superintendent, has worked at O‑A‑K for over 23 years.
FEATURED EMPLOYEE: Kayla Cribley, Project Engineer, joined O‑A‑K in 2015 and is currently pursuing a degree in Construction Management.
FEATURED EMPLOYEE: Terry Troeger, Project Superintendent, has been on site at Amway's World Headquarters for twelve consecutive years.
FEATURED EMPLOYEES: Courtney James and Bruce Zache both serve as Project Managers out of our Kalamazoo office.
FEATURED EMPLOYEE: Jeff Diemer, Project Superintendent, joined O‑A‑K in 2020 and has 22 years of experience in commercial construction.

the people at o‑a‑k

Who We Are

Our O-A-K Corporate Board of Directors is made up of members from both our Michigan and Florida operations, ensuring corporate unity and representation from both of these very important geographic regions. We also operate with individual executive teams in each state.

michigan

Frank
Stanek

PE, LEED AP

Chief Executive Officer

michigan

Frank
Stanek

PE, LEED AP

Chief Executive Officer

The eighth CEO in our employee-owned company's 130-year history,…

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florida

Dave
Dale

President, O‑A‑K Florida

florida

Dave
Dale

President, O‑A‑K Florida

Dave worked in the construction trades throughout his college years…

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michigan

John C.
LaBarge, Jr.

CPA

Chief Financial Officer

michigan

John C.
LaBarge, Jr.

CPA

Chief Financial Officer

John is a West Michigan native and economic enthusiast. He holds his…

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florida

Kevin
Shimp

P.E., CGC

President, Thomas Marine Construction

florida

Kevin
Shimp

P.E., CGC

President, Thomas Marine Construction

Kevin joined O‑A‑K in 2007, becoming a division President after…

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michigan

Jeremy
Amshey

Chief Operating Officer

michigan

Jeremy
Amshey

Chief Operating Officer

Jeremy was born and raised in Rockford, Michigan, where he continues…

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florida

Jan
Conrad

Vice President, Manager of Accounting Services & HR

florida

Jan
Conrad

Vice President, Manager of Accounting Services & HR

Jan was born and raised in Colorado. She moved to Southwest Florida…

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michigan

Josh
Szymanski

PE, LEED AP

Chief Strategy Officer

michigan

Josh
Szymanski

PE, LEED AP

Chief Strategy Officer

With nearly two decades of experience in the commercial construction…

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florida

Mike
Woods

Vice President, General Superintendent of Civil Division

florida

Mike
Woods

Vice President, General Superintendent of Civil Division

Mike began his employment in the construction field at the age of 16,…

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michigan

Adam
Tweedy

Director of Preconstruction

michigan

Adam
Tweedy

Director of Preconstruction

After leading our Design-Build projects for several years, Adam was…

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florida

Matthew
Zwack

LEED AP

Vice President of Operations, Chief Safety Officer

florida

Matthew
Zwack

LEED AP

Vice President of Operations, Chief Safety Officer

Matthew, a LEED Accredited Professional, became involved in the…

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michigan

Tom
Stanek

Director of Kalamazoo Operations

michigan

Tom
Stanek

Director of Kalamazoo Operations

Tom was born and raised in Southwest Michigan and has completed many…

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florida

Abel
Natali

LEED AP

Vice President, Chief Estimator

florida

Abel
Natali

LEED AP

Vice President, Chief Estimator

Abel, a LEED Accredited Professional, graduated cum laude with a…

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michigan

Steve
Wilfong

Corporate Controller

michigan

Steve
Wilfong

Corporate Controller

Steve joined O‑A‑K in 2014. He holds his Bachelor of Business…

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florida

Ellen
Bisogno

Senior Project Manager, Naples Office Manager

florida

Ellen
Bisogno

Senior Project Manager, Naples Office Manager

Ellen entered the construction field more than 30 years ago as an…

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michigan

Rachael
Martemucci

Marketing Director

michigan

Rachael
Martemucci

Marketing Director

Rachael joined O‑A‑K in 2010, after working for a Grand Rapids-based…

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florida

Jan-Erik
Hustrulid

Business Development Coordinator

florida

Jan-Erik
Hustrulid

Business Development Coordinator

Jan-Erik has 13 years’ experience in residential real estate and the…

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michigan

Cade
Dammen

Director of Field Operations

michigan

Cade
Dammen

Director of Field Operations

Cade began his career interning at O‑A‑K for two consecutive summers.…

full bio
Think of our Project Managers as the air traffic control directors of your project. They keep the budget and schedule - and all the people involved - on course. Keeping you up to date on overall project progress, our PMs focus on the details so you can focus on big picture.

MEET A FEW TEAM MEMBERS

michigan

Dan
Rathburn

Senior Project Manager

michigan

Dan
Rathburn

Senior Project Manager

Dan joined the O‑A‑K team in 1992 as a Project Superintendent, and for the past 27 years he has been a Project Manager. He holds his Bachelor of Science in Construction Science and Management from Western Michigan University.

Dan joined the O‑A‑K team in 1992 as a Project Superintendent, and for the past 27 years he has been a…

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michigan

Bryce
DeYoung

Project Manager

michigan

Bryce
DeYoung

Project Manager

Bryce is a West Michigan native with 11 years of construction management experience. In 2019, he moved back to the state from California to reestablish his West Michigan roots with his wife and two children. He specializes in educational and mixed-use construction, ranging from…

Bryce is a West Michigan native with 11 years of construction management experience. In 2019, he moved back…

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michigan

Courtney
James

Project Manager

michigan

Courtney
James

Project Manager

Courtney brings twenty years of construction management and architectural experience, managing projects up to $70 million, with a large focus in the education and government sectors. Courtney holds a Bachelor of Architecture and a Bachelor of Fine Arts from Drury University.…

Courtney brings twenty years of construction management and architectural experience, managing projects up to…

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Our Project Superintendents are on site 100% of the time during construction to oversee the trades and act as your eyes and ears on site. With an average of 19-years of experience in the commercial construction industry, our Superintendents are well equipped to align the daily tasks with overall project goals.

MEET A FEW TEAM MEMBERS

michigan

Travis
Fairbanks

Project Superintendent

michigan

Travis
Fairbanks

Project Superintendent

Travis grew up in Fruitport and is currently on site at Fruitport doing construction in the same school he went too. Travis brings 25 years of experience in the construction industry to O‑A‑K. He has a strong background in carpentry and site leadership, and has worked in an…

Travis grew up in Fruitport and is currently on site at Fruitport doing construction in the same school he…

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michigan

Jeff
Diemer

Project Superintendent

michigan

Jeff
Diemer

Project Superintendent

Jeff brings 22 years of experience to O‑A‑K with an emphasis in commercial construction projects. Jeff holds a bachelors degree from the University of Michigan in Architecture, and a masters degree from Pennsylvania State University in Architectural Engineering. He is also…

Jeff brings 22 years of experience to O‑A‑K with an emphasis in commercial construction projects. Jeff holds…

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Our preconstruction leaders emphasize accuracy in everything they do. It is their responsibility to find solutions to the inevitable complexities that arise during the design phase, and to accurately and honestly guide you toward a groundbreaking. This takes exceptional knowledge and leadership to be done well.
MEET A FEW TEAM MEMBERS

michigan

Kris
Ford

Senior Estimator

michigan

Kris
Ford

Senior Estimator

Kris joined O‑A‑K in 1991, and has over 30 years of industry experience. He is a member of O‑A‑K's estimating team, and serves our clients by taking a creative and technical approach to help them find the best value.

Kris joined O‑A‑K in 1991, and has over 30 years of industry experience. He is a member of O‑A‑K's estimating…

full bio

michigan

Kevin
Hufnagel

Senior Estimator

michigan

Kevin
Hufnagel

Senior Estimator

Kevin brings 30 years of commercial construction management experience in West Michigan, having worked in several capacities ranging from Estimator to Project Manager. He joined the O‑A‑K team in 2017. He holds a bachelor of science degree in construction management from Ferris…

Kevin brings 30 years of commercial construction management experience in West Michigan, having worked in…

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On average, O‑A‑K’s accounting professionals have over 15 years of experience in the commercial construction industry. They work closely with our Project Management team to ensure a seamless financial reporting process, holding trade contractors accountable, crossing every T and dotting every I.

MEET A FEW TEAM MEMBERS

michigan

Harriet
Perdue

Billing Clerk

michigan

Harriet
Perdue

Billing Clerk

Harriet began her career at O‑A‑K as a contractual temp, then joined full-time in 1996. As a long-standing member of our accounting team. Harriet brings a wealth of knowledge on construction accounting processes. She is also a member of the Construction Financial Management…

Harriet began her career at O‑A‑K as a contractual temp, then joined full-time in 1996. As a long-standing…

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michigan

Andre
Newsted

Cost Control Coordinator

michigan

Andre
Newsted

Cost Control Coordinator

Andre is a Southwest Michigan native, and a member of O‑A‑K's accounting team. He joined O‑A‑K in 2016 after completing his Bachelor of Business Administration from Grand Valley State University.

Andre is a Southwest Michigan native, and a member of O‑A‑K's accounting team. He joined O‑A‑K in 2016 after…

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Our experienced marketing professionals help promote the stories behind our projects – often as an extension of your staff. They can help organize project events, generate publicity, and maintain the momentum your stakeholders have already built – to ensure the building experience is both easy and enjoyable.

MEET A TEAM MEMBER

michigan

Jennifer
Kloosterhouse

Communications Coordinator

michigan

Jennifer
Kloosterhouse

Communications Coordinator

After completing her B.S. degree in Advertising and Public Relations, Jennifer began her career working at a local CPA firm where she oversaw marketing and recruitment. She joined O‑A‑K in 2017 as the Communications Coordinator. As a member of the marketing team, Jennifer leads…

After completing her B.S. degree in Advertising and Public Relations, Jennifer began her career working at a…

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michigan

Ashley
Elo

Marketing Assistant

michigan

Ashley
Elo

Marketing Assistant

Ashley Elo is O‑A‑K's new Marketing Assistant, and recent graduate of Grand Valley State University. While she never envisioned herself working in construction, she loves the opportunities the industry presents to build relationships with clients and business partners.

Ashley Elo is O‑A‑K's new Marketing Assistant, and recent graduate of Grand Valley State University. While…

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Our skilled craft professionals bring a true passion for quality construction. Complementary to our core focus as a Construction Management company, our craft professionals allow us to customize the experience for every client and ensure a quality experience from start to finish.
MEET A FEW TEAM MEMBERS

michigan

Jim
Marsman

Carpenter

michigan

Jim
Marsman

Carpenter

Jim is a master carpenter with over 30 years of industry experience. He joined O‑A‑K in 2017 bringing a wealth of expertise in high-end custom carpentry for residential and commercial projects.

Jim is a master carpenter with over 30 years of industry experience. He joined O‑A‑K in 2017 bringing a…

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michigan

Randy
Marklevitz

Carpenter

michigan

Randy
Marklevitz

Carpenter

Randy joined O‑A‑K in 1986, as a laborer. In his over 30 years with O‑A‑K, he has overseen custom carpentry work for many of O‑A‑K's prominent and historical projects.

Randy joined O‑A‑K in 1986, as a laborer. In his over 30 years with O‑A‑K, he has overseen custom carpentry…

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careers

Want to Join the O‑A‑K Team?

We look for people who think outside the box. People willing to go above and beyond.

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