Our Leadership

John Diesslin, President

John Diesslin is the President/CEO of Diesslin Structures, Inc. which was established in 2000. He has a Bachelors of Science in Architectural Engineering from the University of Colorado. John is a life long Chaffee County Resident, and is involved with a multitude of local industry, and service organizations.

John oversees every aspect of DSI’s commercial and residential projects, from cost estimating, scheduling superintendent and project manager selection, to constructability, labor placement, and quality control.

Kevin Diesslin, Vice President / General Superintendent

Kevin Diesslin was born and raised in Chaffee County and graduated from Buena Vista High School. Kevin began working for DSI as a trade foreman and has advanced to General Superintendent. He is responsible for coordinating work in the field, field problem solving, safety training and maintenance, quality of workmanship, and schedule adherence. Kevin has been the superintendent for several large projects most recently the 22 million dollar New Salida High School and the Kesner Renovation, the 9 million dollar CMC Eagle/Vail campus remodel, the 28 million dollar Heart of the Rockies Regional Medical Center. He has also been the General Superintendent on the Buena Vista Public Library, the Chaffee County Jail renovation, the Buena Vista True Value Store, and the CMC Climax Molybdenum Leadership Center. Kevin’s outstanding leadership ability allows DSI to complete these large projects within budget and on-time completion.

Kyle Johnson

Kyle Johnson, Project Manager

Kyle joined DSI in September of 2018 with over 14 years’ experience in estimating and project management across multiple industries. He is a graduate of Buena Vista High School and has a BFA in Graphic Design from Colorado State University. His professional experience includes estimating for a national waterworks supply chain. Kyle enjoys providing leadership in his approach to building teams and managing project workflow.


Kyle Walter, Project Manager

Kyle Walter graduated from the University of Wyoming with a Bachelor’s degree in Architectural Engineering. His experience includes 2 years of residential construction varying from production track to high end on projects valued from $5M to $44M and 3 years working for a large commercial general contractor. His collaboration early-on with the client and designers prepares the project for success. Kyle believes in facing challenges head on and will work to find the most direct solution.

Jacob Schoenfeld, Project Manager

Jacob Schoenfeld (Jake) was born and raised in Chaffee County, and Graduated from Salida High School in 2015. Jacob Started at DSI in July 2020 after graduating from Fort Hays State University in Hays, Kansas with Degrees in Mathematics, Physics, and Business Management. While working at Diesslin Structures, he is pursuing his Masters in Engineering. His Professional Experience includes being the Project Engineer on two schools in the San Luis Valley, Multiple Apartment Complexes, and a COVID Trauma Clinic in Grand Junction. Jake loves the Chaffee County Area, and is excited to help it grow. Jake believes it takes a team to build and complete projects, and looks forward to facing new challenges on every project.

Brian Smith

Brian Smith, Superintendent

Brian Smith is a Salida High School graduate. He started with Diesslin Structures, Inc. in 2004, and with hard work and dedication, has worked his way up to Superintendent. He served as Field Superintendent on the Heart of the Rockies Regional Medical Center Remodel and the Monarch Ski Area remodeling project. Brian has worked on numerous projects for DSI and has proven himself time and time again.

Frank Perri, Superintendent

Frank Perri is a Salida High School graduate, who began working as a Superintendent for DSI in 2009. Frank is an exceptional carpenter with unique personal qualities that make him a natural leader in the field. His excellent problem-solving abilities are evident in the quality of the workmanship on his projects. Frank has constructed several custom homes in Chaffee County, built a dental office in Buena Vista and the Salida Early Childhood Center Addition, and served as DSI’s Superintendent on the multi-million dollar Crestone Charter School.


Rocky Mazza, Superintendent

Rocky joined the DSI team in 2015. Rocky is the Manager of our Dirt and Utility division, and brings 15 years of comprehensive experience in utility and dirt construction to the DSI team. Rocky’s past roles include being a site superintendent for dirt and pipe on large water treatment plants, as well as utilities and road superintendent on subdivision development. Rocky is a dedicated employee with a focus on producing quality work while maintaining a safe and secure jobsite.

Glen Photo

Glen Mussetter, Superintendent

Glen is a graduate of Buena Vista High School and began his construction career as a Tunnel Form Carpenter at the Climax Molybdenum Company in Climax, Colorado.  Working on several multi-million dollar projects in the capacity ranging from Journeyman Carpenter, General Foreman, Field Superintendent and Project Superintendent. Glen’s wide variety of knowledge is an asset to any project.

Greg Hammond, Superintendent

Greg is a life long resident of Salida and a graduate of Salida High School. His career with DSI began back in 2004 when he joined our concrete crew. Greg boasts years of experience working in large scale concrete projects such as the Salida High School, Crestone and Moffat Schools as well as The Heart of the Rockies Regional Medical Center. In 2014, with Greg’s vast knowledge and experience he rose the ranks to become a Concrete Superintendent.

Lisa Wood

Lisa Wood, Manager, United Roofing of Colorado

Lisa Wood joined DSI in October of 2018 with a Project Management certificate from Regis University and is a Salida resident. Lisa leads the roofing team for United Roofing of Colorado and brings years of analytic, organizational, and process driven experience to the DSI and UROC teams. Prior to joining our team Lisa held positions with increasing responsibilities at Seagate Technology, Woodward, Inc., Hewlett Packard, and Leprino Foods.