A successful project is essentially about proper communication, persistence, accountability, and teamwork; always with the best interest of the project in mind. These are values that The Stenftenagel Group will always instill in all projects, large or small.
— Scott Stenftenagel

Scott Stenftenagel Principal Clerk of the Works + Owner

Scott is a man who understands hard work. His background is rich in all areas of construction with roles as laborer, carpenter, project superintendent, project manager, and architectural designer. His desire to make large scale construction projects more manageable and straightforward for the project owner is the driving force of our company. Scott has grown The Stenftenagel Group from a one man operation to a team of nine. One of his greatest accomplishments is his recent election to The Institute of Clerks of Works and Construction Inspectorate of Great Britain.  The significant and historical role of Clerk of the Works is the ideology in which his company is modeled.


Angela Burton Clerk of the WOrks associate + director of facility management

Angela’s strategic foresight helps our clients avoid the regret of oversight. Her early experience in flood and fire restoration provided the insight to identify and mitigate risks for prevention. She has spent the last 16 years helping school administrators implement preventive measures to better manage and sustain their facilities.  

Sandy Butler Facilities maintenance Administrator

Sandy keeps your facility running smoothly. Her years in mechanical construction helped shape her proactive approach to maintenance. Sandy actively cultivates her relationship with vendors to ensure the highest level of quality and service for our clients.      

Todd Hopf Clerk of the works

Todd brings 35 years of construction experience to the team; half of those as a small business owner. He served 8 years on the Dubois County Builders Association in various roles. His belief in doing things right the first time delivers the results our clients expect.

Alex Altmann Clerk of the works

Alex’s decade of project management experience is a blend of institutional construction and manufacturing. He holds a master’s degree in mechanical engineering and is licensed in Indiana. His no-nonsense style will take your project from start to finish effectively and efficiently.

David Riffel Clerk of the works

David’s hands-on experience in construction, facilities maintenance, and property management provides a comprehensive perspective for your project.  His “big picture” approach assures no detail will be overlooked.

Ashten Collins Business Manager

Ashten is all business in the pursuit of continuous improvement. She spent her tenure in public administration testing the limits of her tenacity and creativity to modernize antiquated systems. Always up for a challenge, you can count on her to get the job done.

Tim Gudorf Clerk of the works

Tim specializes in energy management. Through trade experience, he’s learned to stay on the leading edge of developments in HVAC, refrigeration, geothermal, and modern hydronics. He holds a contractor plumbing license and Building Operator Certification. Tim is passionate about optimizing your facility’s mechanical and operating systems.

Judy Krieg Project + Facilities Assistant

Judy’s bio is under construction!