SCS BT Squared is a dynamic and multifaceted organization. We provide comprehensive civil and environmental engineering services to a wide variety of clients, both public and private.
Mark Huber
Mark specializes in urban redevelopment projects. He has 19 years of consulting experience in civil and environmental engineering, and he served as the CEO for BT Squared, and now is the Office Director for the Upper Midwest Region. With a dual background in civil and environmental engineering, Mark is able to take urban redevelopment projects from initial site assessment through construction. Mark is adept at explaining complex issues in easy-to-understand language, and is always excited about helping clients in creative ways with responsive customer service. Mark is a proud graduate of Iowa State and fiercely follows the Cyclones, though he doesn’t like to brag.
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Sherren Clark
Sherren has more than 22 years of experience in civil engineering and environmental science, with a technical background in both engineering and hydrogeology. She manages multidisciplinary projects including landfill design and monitoring, brownfield site investigation and remediation, and environmental management and permitting for private and public sector clients. Sherren loves to get out in the woods and is an avid runner, hiker, skier and slayer of invasive species.
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Ray Tierney
Ray has 24 years of experience solving environmental problems. Before he started BT Squared, he managed what is now known as the Remediation and Redevelopment Program for the WDNR. Most recently he has been assisting industrial clients develop and implement sustainability programs. He specializes in disaster recovery planning and assisting companies with the management of their liabilities and the recovery of their critical operations to survive the event. He also has a background in real estate due diligence and merger and acquisition assistance. Ray completed his undergraduate degree at Boston College but was rooting for the Badgers in the 2010 NCAA Men's Hockey tournament against Boston College. Boston won this round, but Ray is waiting for next year.
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Samuel Cooke
Sam has 29 years of experience in industrial and energy/environmental engineering. After a decade working in industrial facilities, he started his own engineering consulting firm that eventually merged with BT Squared. With his multi-disciplinary background of chemical engineering, energy management, environmental consulting, and an MBA, Sam works with industrial, government, and commercial clients to address their energy and sustainability needs. In addition to being involved in civic duties, he likes being outdoors - hiking, canoeing, and commuting by bike (just try and catch him some morning!).
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John Tweddale
John has been an engineering and environmental consultant since 1987. His primary areas of technical expertise include energy management, site investigation and remediation, brownfield site redevelopment, real estate due diligence, legal support, risk reduction, regulatory compliance, litigation/mediation, and agency negotiations. His primary project role is to prioritize and clarify objectives with the client, establish the technical direction with the team, communicate findings and risk/cost implications in a succinct and timely manner, and act as the primary liaison with legal counsel, financiers, and regulatory agencies, as needed. In his spare time, John stalks trout in the Upper Midwest, and supports his son’s inconvenient passion for long track speed skating.
