Location

Michigan

Grand Rapids, MI

Corporate Office

126 Ottawa Ave NW Ste 600
Grand Rapids, MI 49503

Caledonia, MI

Operations Center

6645 East Paris Ave SE
Caledonia, MI 49316

Kalamazoo, MI

2700 Stadium Dr Ste 2
Kalamazoo, MI 49008

Traverse City, MI

880 Munson Ave Ste F
Traverse City, MI 49686

East Lansing, MI

1595 W. Lake Lansing Rd Suite 200, East Lansing, MI 48823
Connect With Us

Building in Michigan since 1891

70
Shareholders
100%
Employee-owned
S-Corp

Michigan Leadership Team

MI
CO
FL

Frank

Stanek

CEO & President of O-A-K Michigan

The eighth CEO in our employee-owned company's 134-year history, Frank Stanek earned his Bachelor of Science Degree in Civil Engineering from Michigan State University and joined the O‑A‑K team in 1996. He has been in his current role since January 1, 2013. He is a licensed Professional Engineer in the State of Michigan, a licensed General Contractor and a LEED Accredited Professional.

Meet Frank
MI
CO
FL

Jeremy

Amshey

Chief Operating Officer

Jeremy Amshey is a dedicated leader in the construction industry, currently serving as the Chief Operating Officer (COO) for O-A-K. Born and raised in Rockford, Michigan, he maintains strong ties to his roots, where he continues to live today with his wife and three children.

Jeremy's professional journey began at Ferris State University, where he earned his degree in Construction Management. This foundation in the field led him to join the O-A-K team in 2008. His talent and commitment saw him rise through the ranks, eventually taking on the crucial role of COO. As COO, Jeremy is instrumental to the company, serving as the vital link between O-A-K's core culture and its clients. He ensures that the firm's values and commitment to excellence are reflected in every project and relationship.

Beyond his work at O-A-K, Jeremy is passionate about giving back to the community and supporting education. He currently serves on the Ferris State University Foundation Board, helping to shape the future of his alma mater and support its mission. Additionally, he previously dedicated his time and expertise as a trustee for the Rockford Education Foundation, advocating for educational opportunities within his local community. In his personal time, Jeremy previously coached several youth sports teams as his children were growing up—a testament to his dedication as a parent and his belief in community mentorship.

Jeremy Amshey's story is defined by a commitment to his family, his company, and the institutions that shaped his career and community.

Meet Jeremy
MI
CO
FL

Josh

Szymanski

Chief Strategy Officer

With two decades of experience in the commercial construction industry, Josh is a seasoned professional responsible for driving business development and strategic initiatives that support O-A-K’s client expectations and corporate growth. His role effectively bridges the gap between project concept and construction operations, commercial construction industry, Josh specializes in process management and institutional projects. He holds a Bachelor of Science degree in Civil Engineering from Michigan Technological University and a Master's in Civil Engineering from Purdue University. He is a licensed and registered Professional Engineer in the State of Michigan and a LEED Accredited Professional.

Meet Josh
MI
CO
FL

Adam

Tweedy

Director of Preconstruction

Adam’s been with Owen-Ames-Kimball since 2012 and has lead our preconstruction department in Michigan since 2018. He specializes conceptual budgeting, urban redevelopments, expedited scheduling, and commercial projects - both industrial and office.

Meet Adam
MI
CO
FL

Tom

Stanek

Director of Kalamazoo Operations

Tom was raised in Southwest Michigan in the town of Decatur and now lives in Paw Paw, not far from where he grew up. He has completed a wide range of projects throughout the Midwest, including K–12, higher education, industrial, manufacturing, healthcare, food service, and retail facilities. He holds a B.S. in Construction Science Management with a minor in Business Management from Western Michigan University.

Meet Tom
MI
CO
FL

Rachael

Martemucci

Director of Education Market Development

Rachael joined O-A-K in 2010 and now serves as Director of Education Market Development, following more than a decade as Director of Marketing. In this role, she focuses on strengthening client services, developing talent, and unifying teams across several departments. She has partnered with more than 20 local school districts and brings deep expertise in pre-bond planning and strategic engagement.

Meet Rachael
MI
CO
FL

Nancy

Johnson

Chief People Officer

Nancy Johnson joined O-A-K as Chief People Officer in 2026, bringing more than 20 years of experience in Human Resources, leadership consulting, and organizational development. Beginning her career in broad-based HR roles, she built a strong foundation across core people functions before transitioning into professional services, where she consulted with organizations across industries to strengthen talent practices and align people strategies with business priorities. Nancy earned her Bachelor’s degree in Organizational Communication and Master of Science in Administration with a concentration in Human Resources from Central Michigan University.

Meet Nancy
MI
CO
FL

Cade

Dammen

Director of Field Operations

Cade began his career as an intern at O‑A‑K for two consecutive summers. After he completed his construction management degree from Ferris State University, he was hired as a full-time Project Superintendent. Today, as the Director of Field Operations, Cade provides leadership to Project Superintendents and serves as a mentor to employees.

Meet Cade
MI
CO
FL

Kim

Burchardt

Michigan Controller

Kim Burchardt joined O-A-K in 2012 as a member of the accounting department. She holds a double Bachelor’s Degree in Accounting and Finance from Davenport University and brings more than 31 years of construction industry experience.

‍

Meet Kim
MI
CO
FL

Tom

Shanley

Director of Central Michigan Operations

Tom serves as the Director of Central Michigan Operations, where he is helping grow the company’s presence throughout the Greater Lansing and Central Michigan region.

He earned his Bachelor of Science in Construction Management from Eastern Michigan University and has built his career in construction by focusing on strong relationships, thoughtful planning, and dependable execution. Known for his grounded and reliable approach, Tom values building trust with clients, project teams, and community partners.

In his role, Tom is focused on strengthening relationships, supporting project teams, and helping clients navigate the construction process with confidence.

Meet Tom
MI
CO
FL

Kylee

Haywood

Business Development Manager

Kylee brings more than 25 years of relationship and business development experience to O-A-K, with a track record built across client services, commercial construction, manufacturing, and workplace design.

She holds a Bachelor of Arts in Advertising and Public Relations from Grand Valley State University and stays active in the West Michigan community through CREW West Michigan, where she serves as a board delegate.

Meet Kylee
MI
CO
FL

Camila

Gumati

Talent Acquisition Manager

Camila Gumati joined O-A-K as Talent Acquisition Manager in 2026, bringing a career built in recruiting with a focus on the construction and engineering industries. Originally from Missouri, Camila earned her Bachelor of Science in Business Management from the University of Missouri. Her specialized experience in these fields has given her a strong eye for connecting skilled professionals with meaningful opportunities and for helping organizations grow through intentional hiring.

Meet Camila

Michigan Stories

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On Site at East Riverfront: Reconnecting People to the Grand

East Riverfront Park is reconnecting Grand Rapids with the Grand River. O-A-K Superintendent, Michael Schneidt, and Mike Staal, Project Manager for the City of Grand Rapids, walked the park to see how the former industrial site is taking shape.
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On Site at Canal Park: An Accessible Riverfront Takes Shape

O-A-K Superintendent, Michael Schneidt, walked the site at Canal Park with Kristin Pfauth, Engineering Project Manager for the City of Grand Rapids, touring the different areas of one of downtown's most significant riverfront transformations.
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Attending a Career Fair This Fall? So Are We.

O-A-K is packing up the table and hitting the road, with team members at career fairs across Michigan, Florida, and Colorado this fall. Leading the effort is Camila Gumati, our Talent Acquisitions Manager, who's looking forward to meeting students face to face. Reach out to Camila before the fair to introduce yourself.
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A New Home for Hope College Business & Economics Takes Shape

Sam Cochran, Assistant Superintendent at O-A-K and Hope College alum, walked the job site in downtown Holland with Nick Duthler, Director of Operations for Hope College, for a look at the college's new Business and Economics building.
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O-A-K Welcomes Kylee Haywood, Business Development Manager

O-A-K is glad to welcome Kylee Haywood as Business Development Manager, bringing more than twenty-five years of relationship and business development experience to the team.
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Through the Fence: Woodland Elementary Students Get a Look at Their New School

Woodland Elementary staff and students recently traded their classroom for hard hats, walking the jobsite where their new school is taking shape.
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Open Positions

Want to join a people-first company that values employee growth, teamwork, safety, and strong project leadership? View our open positions below and apply today!

Project Accountant

Grand Rapids, MI Corporate Office
Apply

Estimator

East Lansing, MI
Apply

Carpenter

Grand Rapids, MI Corporate Office
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Construction Project Superintendent

East Lansing, MI
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Project Manager

Grand Rapids, MI Corporate Office
Apply

Senior Project Manager

Grand Rapids, MI Corporate Office
Apply

Construction Project Superintendent

Kalamazoo, MI
Apply

Construction Project Superintendent

Grand Rapids, MI Corporate Office
Apply

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