Mark Mac Donald, PE

• Years of Heavy Infrastructure Experience: 32

• Welcomed to SEMA: 2025

• Education: BSCET - Oregon Institute of Technology 

• Professional Affiliations: Professional Engineer - California; Professional Engineer - Oregon 

• Primary Personal Charities: Shriner's Children's Hospital 

"It is amazing what you can accomplish if you do not care who gets the credit." – Harry S. Truman

As District Vice President of SEMA’s Special Projects Group, Mark Mac Donald provides strategic leadership across multiple districts, where his expertise is critical to delivering safe, efficient, and high-quality results. Reporting to Bob Stevens, Senior Vice President of Texas and the Special Projects Group, Mark oversees some of SEMA’s most complex mega-projects nationwide, with a particular focus on large, signature structural works. He blends technical excellence with strategic vision - optimizing design, improving construction efficiency, and integrating cutting-edge technologies - while remaining instrumental in risk assessment, stakeholder collaboration, and fostering a culture of continuous improvement.

Mark’s civil engineering foundation emphasized on structures comes from hands-on experience with some of the country’s most iconic and technically demanding bridges. He played key roles in the San Francisco-Oakland Bay Bridge in California, the Tappan Zee Bridge replacement in New York, and the Gordie Howe International Bridge connecting Detroit and Windsor. These landmark projects sharpened his expertise in constructability, large-scale structural design, and the seamless integration of engineering and construction processes to achieve optimal project outcomes.

In addition to leading major initiatives, Mark serves as SEMA’s national in-house structural engineering authority, providing technical guidance and innovative solutions for the company’s most challenging bridge and heavy civil projects. His deep knowledge of structural design, constructability, and alternative delivery methods ensures that SEMA continues to set the industry standard for cost-effective, cutting-edge bridge and structural solutions.

His leadership ensures every project aligns with The Project and The People - safely, sustainably, with high quality, and profitably. Guided by core values - Hungry, Humble, Tough, and Smart, he fosters collaboration, innovation, and technical excellence, strengthening SEMA’s reputation as the best partner in the industry - "SEMA, More to Look Forward To."

Mark's family enjoys outdoor activities for all four seasons… skiing, surfing, hunting, hiking, and travel to new destinations, live sports events, and cooking meals together. He and his wife of 20 years spend a lot of time at their children's sporting events, which include football, competitive cheer, lacrosse, wrestling, and hockey.

SMART