SEMA Construction Executive and Leadership Team

November, 2026

Leadership Overview

SEMA Construction has 4 executives leading key functions including corporate strategy, legal compliance, national building operations, and regional district management.

Focused on delivering robust heavy civil and industrial infrastructure, SEMA Construction maintains a commitment to engineering excellence and operational precision across all complex construction projects throughout the United States.

Leadership Roles at SEMA Construction

  • Chief Executive Officer & District President, Texas & Mid Atlantic - Brett Ames
  • Minority Owner and District President, Florida and National Building Expert - Bradley Spies
  • President, California District - Eric Stepien
  • Chief Legal Officer - Eric Strobel
  • Brett Ames - Chief Executive Officer & District President, Texas & Mid Atlantic

    Brett Ames, the Chief Executive Officer & District President, Texas & Mid Atlantic at SEMA Construction, directs the overarching corporate strategy and regional growth initiatives. Ames oversees the expansion of heavy civil and industrial projects across the Texas and Mid Atlantic markets, ensuring alignment with long-term organizational goals. By managing high-level stakeholder relationships and capital allocation, the Chief Executive Officer & District President, Texas & Mid Atlantic drives operational efficiency and project profitability. Brett Ames maintains a focus on scaling the company's footprint while upholding rigorous safety and quality standards. This leadership role involves coordinating with the board to refine business models and secure competitive advantages in the heavy civil sector. Through strategic oversight of regional operations, the Chief Executive Officer & District President, Texas & Mid Atlantic ensures that SEMA Construction remains a premier provider of complex infrastructure solutions, consistently delivering value to clients and partners across diverse geographic territories.

    Bradley Spies - Minority Owner and District President, Florida and National Building Expert

    Bradley Spies, the Minority Owner and District President, Florida and National Building Expert at SEMA Construction, directs national building initiatives and regional operations within the Florida market. Spies oversees the implementation of advanced construction methodologies and technical standards for large-scale industrial projects. By leveraging deep expertise in national building practices, the Minority Owner and District President, Florida and National Building Expert optimizes project delivery timelines and resource allocation. Bradley Spies collaborates with other district leaders to standardize best practices across the company's diverse portfolio. This leadership role involves driving business development efforts in the Southeast while maintaining high performance across national building contracts. Through the application of specialized technical knowledge, the Minority Owner and District President, Florida and National Building Expert ensures that SEMA Construction maintains a competitive edge in complex civil engineering. Spies focuses on achieving operational excellence and sustainable growth, reinforcing the company's reputation as a leader in the heavy civil and industrial construction industry.

    Eric Stepien - President, California District

    Eric Stepien, the President, California District at SEMA Construction, directs all heavy civil and industrial operations throughout the California region. Stepien oversees project management teams, field operations, and regional business development to ensure the successful execution of complex infrastructure contracts. By managing local client relationships and regulatory requirements, the President, California District drives significant revenue growth and market penetration in the Western United States. Eric Stepien coordinates with corporate leadership to align regional activities with the company's national strategy. This leadership role involves optimizing labor productivity, equipment utilization, and supply chain logistics to maintain project profitability. Through rigorous oversight of regional performance metrics, the President, California District ensures that SEMA Construction delivers high-quality results on schedule and within budget. Stepien focuses on building a strong regional presence, fostering innovation in construction techniques, and maintaining the company's commitment to safety and excellence in every project undertaken within the California district.
    Eric Strobel, the Chief Legal Officer at SEMA Construction, manages all corporate legal affairs, risk mitigation, and regulatory compliance frameworks. Strobel oversees complex contract negotiations, litigation management, and internal governance policies essential for heavy civil and industrial operations. By providing strategic counsel to the executive team, the Chief Legal Officer ensures that all business activities adhere to federal and state construction regulations. Eric Strobel protects the company's interests during large-scale infrastructure bidding processes and project execution phases. This role involves collaborating with external counsel and internal project managers to resolve disputes and minimize operational liabilities. Through proactive legal planning, the Chief Legal Officer supports the company's growth objectives while maintaining a secure and compliant business environment. Strobel consistently evaluates emerging legal trends in the construction industry to safeguard the firm's reputation and financial stability, ensuring that every project contract aligns with the overarching mission of SEMA Construction.
    Eric Strobel

    Explore Leadership Teams in Civil Engineering Construction

    Frequently Asked Questions Regarding SEMA Construction Top Executives and Leadership Team

    Who leads SEMA Construction?
    SEMA Construction is led by Brett Ames (Chief Executive Officer & District President, Texas & Mid Atlantic), along with executives such as Bradley Spies (Minority Owner and District President, Florida and National Building Expert) and Eric Stepien (President, California District).
    Who is part of SEMA Construction’s executive team?
    The executive team of SEMA Construction includes leaders such as Brett Ames (Chief Executive Officer & District President, Texas & Mid Atlantic), Bradley Spies (Minority Owner and District President, Florida and National Building Expert), Eric Stepien (President, California District) and other senior executives.
    How many executives does SEMA Construction have?
    SEMA Construction has 4 executives leading key business areas.
    What roles are included in SEMA Construction’s leadership team?
    The leadership team of SEMA Construction includes roles such as Chief Executive Officer & District President, Texas & Mid Atlantic, Minority Owner and District President, Florida and National Building Expert, President, California District, Chief Legal Officer.