si-sü - (n) - Finnish
A concept described as stoic determination, bravery,
resilience and hardiness in the face of extreme adversity.
About sisu
The Full Story
SISU is a Finnish word that captures something powerful: unwavering resilience, quiet determination, and the courage to keep pushing, especially when things get tough.
At SISU, this spirit is at the heart of everything we do. With over 20 years of industry experience we bring clarity, strategy, and grit to complex construction projects, standing firm in your corner from day one to the finish line. Whether it's navigating risk, solving problems, or protecting your investment, we lead with purpose—making sure your goals stay on track, no matter what.
This isn’t just our name. It’s how we work.
In the context of your construction project management consulting business, SISU represents more than just a name, it’s our philosophy:
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Staying focused when projects hit bumps in the road
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Solving complex challenges with resolve
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Advocating relentlessly for clients' best interests
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Getting the job done no matter how difficult
It’s the perfect name to represent a team that doesn't quit when it counts.
About the owner
Zachary Thill, PMP
With over 20 years of experience leading complex construction projects, Zac brings a proven track record of success across Utility, Commercial, and Multi-Family portfolio spaces. As a Construction Executive and seasoned Project Manager, he has managed municipal and commercial design-build initiatives with a sharp focus on driving growth, mitigating risk, and delivering results.
With his Finnish roots, he maintains SISU and his "failure is not an option" mindset. With his triage-style approach to project management he keeps projects moving forward, no matter how complex or demanding.
The mission is simple: protect your investment, maximize your returns, and guide your project to successful completion with grit, strategy, and unmatched expertise.
