Mark is the President of Certa Building Solutions. As a building science specialist and a construction expert, he brings over 25 years of technical experience to Certa’s projects and is a leading expert in the evaluation, design and repair of failed building envelope assemblies. Before starting his consulting career in Vancouver Canada, Mark specialized in the rehabilitation of building envelope systems as a general contractor. During that time, he oversaw the repair of numerous distressed buildings and developed cutting-edge techniques in building envelope design and construction.

Justin Barnhart is a Building Science Consultant with over 10 years’ experience as industry leading Reserve Study provider. Justin has obtained the Reserve Study Provider (RS) designation from the Community Association Institute (CAI) with his building science background a cornerstone of his practice. He is able to provide superior guidance for short and long-term reserve planning and provided budget forecasting for hundreds of community associations, numerous market rate properties, and many affordable multi-family housing projects, and state-owned facilities throughout the region.

Jim (James) Riley is a licensed, practicing Architect in Oregon, Washington, Utah and Florida with over 19 years of experience. His work includes a wide range of technically challenging projects with a focus on restoration and rehabilitation projects. Jim has been recognized for his commitment to design excellence and for his management abilities on both large and small projects. He is able to look beyond the technical aspects of a project and understand how his work impacts a projects overall performance and aesthetic goals.

Dan is a registered architect in Washington State and has provided a multitude of services over his 17 years of industry experience, focusing on enclosure design and construction defect remediation. He is an active member of the IIBEC, as well as a voting member on several ASTM committees. Dan holds the Registered Roof Consultant (RRC), Registered Waterproofing Consultant (RWC), and Registered Roof Observer (RRO) designations through IIBEC. He has been recognized by his peers as a leader in the building sciences through design, construction, and post occupancy phases of his projects.

Rob is a Building Science Consultant with over ten years of building enclosure consulting experience. Rob is skilled at providing expertise and technical support throughout the lifecycle of a project. He has performed hundreds of diagnostic building investigations as well as managed rehabilitation projects including single family homes, large and small commercial properties, and industrial buildings. Rob is a Certified AAMA Installation Master.

Originally from the UK, Liz brings with her over 25 years of Executive Administration experience. She has a proven track record in executive, management and financial support. Liz is also a certified member of the NACPB.

Chris is a highly experienced building envelope consultant who is extremely talented in forensic building analysis and water intrusion repair techniques. His projects have included numerous low-rise, mid-rise, and high-rise, commercial and residential projects throughout the country. In addition to his work in the building sciences, he was an Airborne Ranger and member of the Presidential honor guard. Chris an integral part of Certa operations for our Florida team.