With over 25 years of experience in the engineering field, Mark Sipos has built a reputation for his technical expertise, innovative problem-solving, and strong client relationships. Mark launched his career at The Kachele Group following his graduation from The Pennsylvania State University. In 2013, the firm’s Pittsburgh office transitioned into Keystone Structural Solutions, where Mark has continued to thrive. In November 2023, he took on the role of President and owner, solidifying his leadership and vision for the company’s future.

Mark is deeply committed to providing clients with thoughtful, creative solutions to complex design challenges, and he values the trust and long-term relationships he cultivates with each of them. His extensive experience spans a wide range of projects, but he is particularly passionate about the restoration of historic buildings, forensic engineering, expert witness testimony, and the design of wood structures. His engineering expertise is backed by his licensure as a Professional Engineer (PE) in 15 states, including Colorado, Connecticut, the District of Columbia, Indiana, Iowa, Louisiana, Maine, Maryland, Massachusetts, Michigan, North Carolina, New Hampshire, Pennsylvania, Texas, and Wisconsin.

Outside of his professional work, Mark is an active member of the South Fayette Board of Standards and dedicates time to coaching youth sports, including a travel softball team and a soccer team. His leadership extends beyond the office, where he is committed to shaping the community and fostering the next generation of athletes.