Our Team

Meet The Kamex Team




Ryan Fischer, CEO

Ryan Fischer is the CEO of KAMEX. He joined the KAMEX team in 2012 as an Estimator/Project Manager.

Not a stranger to entrepreneurship, Ryan started a lawn service company at the age of 11 that he successfully ran for many years before selling. Prior to joining the KAMEX team, Ryan was an Operator/Estimator at JP Burns Excavating for several years. Ryan brings a passion to his role that can only come from truly loving what you do. Ryan enjoys building positive, lasting relationships with clients, stakeholders, and his growing team at KAMEX Excavating. He is driven by results and takes pride in delivering a quality job on every job. Ryan currently holds a board member seat at the Operating Engineers Local 520 as well as St. Louis Bank in Edwardsville, IL.

Ryan resides in Maryville, Illinois with his wife Kelly and enjoys networking in his community and traveling with friends and family.


Mark Crays, President

Mark Crays was introduced to the construction business at a very young age. He credits being raised on a family farm with a small excavating business for his hard work ethic, core values and integrity. Mark joined the Air National Guard upon completion of High School and served as an F-16 Crew Chief where he gained valuable lessons in leadership and served two overseas deployments. During this time, Mark obtained a Bachelor’s Degree in Construction Management from Southern Illinois University. He held the position of project manager and estimator for 8 years at Moniger Excavating prior to partnering with Ryan Fischer and Dave Kamadulski in 2013.

As President, Mark brings 15 years of construction experience in heavy civil/heavy highway scopes of work and he plays a lead role in field operations. Mark continually delivers successful completion of multi-million-dollar projects through developing great working partnerships with owners, engineers, architects, developers, and local officials. He’s confident in project estimating, proposal preparation, contact negotiations, and project management. Mark is a result-oriented professional who is people driven. He’s a firm believer that the more successful his people become both professionally and personally, the more successful the company will become. His respect for people and the process it takes to reach their goals is his greatest asset to the company.

Mark resides in rural Edwardsville with his wife Ashley and two children, Brooklyn and Bradley.

Project Managers




Cody is a Project Manager and Estimator with over 10 years’ experience in the construction industry. He graduated from Southern Illinois University Edwardsville with a Construction Management degree in 2012, and started his full-time career working for a Heavy Civil Contractor as an estimator/project manager. Cody works closely with customers, engineers, subcontractors, and construction staff to ensure needs, goals and standards are met on every project.


Todd Wall


Todd joined the KAMEX team in 2021 as a Project Manager and Estimator with over 20+ years’ experience in the construction industry. He graduated from Southern Illinois University Carbondale with a Civil Engineering degree in 2001.  Todd has a long standing history of successfully estimating and managing multi-million dollar projects from conceptions to completion.  Todd has the ability to manage and coordinate trades, build partnerships, and work collaboratively with owners, engineers, subcontractors, and local officials to ensure the timely and budget friendly completion of the project.




Luke joined the KAMEX team in 2020. His prior work experience was 25+ years as Field Superintendent. Luke is the Operation/ Project Manager for the Utility and Infrastructure Division here at KAMEX. When it comes to getting a plan put together, Luke is an industry leader in our area! Luke prides himself by example. If anyone has worked for Luke or with him, they will attest to his qualities as a person and a leader. As the Company’s Licensed Plumber of record, he analyzes plans and specs and puts detailed schedules and goals out there for us to hit. Taking a project from start to finish, Luke is unmatched in regard to scheduling all aspects of the construction process. His efficiency and effectiveness for the overall logistics of a project of any size, has put KAMEX at the top of our industry! Luke is motivated by people. Luke’s wealth of knowledge in the business and interpersonal skills allows him to build up our personnel’s skills and attain their goals at a rapid pace.




Steve has been the Lead Surveyor and GPS Specialist with KAMEX Excavating since 2020. Steve graduated with a BS from Southern Illinois University Carbondale in 1997 and attained his Professional Land Surveyor License. His prior work experience was 24 years as a Machine Control Support Technician with Sitech Midwest. Steve’s skills include: preparing construction site for machine control use; training contractors with GPS rover and GPS heavy machine control equipment; providing ongoing customer service and technical support; and performing all survey-related tasks and analysis of construction sites, utilizing GPS base and rovers, total stations, digital levels, and laser systems. Steve was a member of the United States Navy Reserves for 28 years and served as a Senior Chief Petty officer.

Office Staff


Lisa Blackwell

Office Manager

Lisa has been associated with KAMEX for the past 30 years. She was hired by the original owners, Leo & Fannie Kamadulski, in 1991. Lisa handles all aspects of payroll, which consists of working with both local and other states’ unions, and she handles accounts payable. Lisa resides in Granite City with her husband Brian, and she has two adult sons, Brandon and Tommy. When not at work, she enjoys camping with her husband.


Brett Heberer

Project Accountant

Brett recently joined KAMEX in April 2021. Brett works as a liaison between the office, tech support, employees, and management. He assists in all aspects of our accounting process and streamlines these processes for KAMEX’s future growth. Prior to joining KAMEX, Brett graduated from Southern Illinois University of Edwardsville with an Accounting degree in 2013. After graduating, Brett has gained 8 years of vast experience, and most recently worked as the Accounting Manager for a large agriculture company. He also spent several years working in public accounting and grew up working on his uncle’s large farming operation. When not at work, Brett enjoys spending time with family, friends, and being in the outdoors.




Dane Braley, Matt Grider, Tyrel Henkhaus, Derek Choate, Kary Smith, Jimmy Cox, Terry Metz

Logistics/Shop Maintenance


Paul Woolsey