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.

Gibriel Leigh is a high performing Project Safety
Manager at JTM Construction, currently leading the one of a kind 1200 Stewart project, where a decommissioned Boeing 747 fuselage is suspended between two 47 story residential towers. He excels at navigating complex safety challenges while fostering strong team alignment, collaboration, and a positive project culture. Gibriel is known for his integrity under pressure, consistently holding project teams, trade partners, and clients accountable to JTM’s core values and rigorous safety standards. He has successfully transformed inherited safety program deficiencies into fully compliant, high performing systems, reducing risk and improving both schedule and cost outcomes. With over 20 years of construction experience, he holds a master’s degree in occupational safety and health management and multiple OSHA certifications, including CHST. He also contributes to the profession through BCSP examination department volunteer roles, including CHST item writing, passing score panels, and technical review.

Justin Molocznik is director of safety, health and environment for JTM Construction in Seattle, WA. He holds an M.S. in Industrial and Organizational Psychology from Kansas State University. Molocznik serves as the American Society of Safety Professional’s Region I Vice President and on the Washington State Governor’s Industrial Safety and Health Advisory Board.