2026 Code Series | Safety Matters

Leonard is the Owner and Principal Architect of Cascade Mission Critical Design, LLC established in 2014 to provide design services to the data center, internet, and telecommunications industries.  Prior to founding Cascade Mission Critical, Leonard served as a principal at Callison, where he developed the Mission Critical Studio, focusing on technology based project types including projects for Microsoft, T-Mobile, Washington Mutual, Sabey Data Centers and other data center and telecommunications clients.  Leonard served as the former co-chair for the Seattle AIA Code Committee and previously served as the Secretary for the 7×24 Exchange, Northwest Chapter, a business organization dedicated to the advancement of design, construction, and operational excellence of data center facilities and business.

Leonard graduated from the University of Florida Architecture program in 1981 and moved to Seattle in 1982.  He currently is licensed in Washington, Oregon and Idaho.

Mark Chubb is managing director of inclusi.us llc, a code consulting, community planning, and public involvement firm based in Seattle. He has more than 40 years of experience in fire safety, workplace safety, and risk management. He previously served on the AIA Seattle chapter board, code committee chair, and member of the chapter professional practice committee.

With over ten years of experience in construction safety, Robin Cariveau is dedicated to creating safer job sites and promoting a strong culture of safety across the industry. Robin completed the Washington State Certified Safety Specialist Apprenticeship, gaining extensive hands-on training in hazard recognition, risk mitigation, and safety leadership in complex construction environments. Recently, Robin completed an Associate of Arts degree in Occupational Safety and Health (OSH), further strengthening her technical knowledge and commitment to professional growth.

Throughout her career, Robin has focused on proactive safety planning, worker education, and continuous improvement to help reduce incidents and protect crews on the job. Robins experience spans collaboration with field teams, supervisors, and project managers to ensure safety standards are consistently met and improved.

Whether working independently or as part of a team, Robin believes that collaboration, integrity, and adaptability are essential for driving meaningful change and advancing safety practices throughout the construction industry.