Timmons Group Executive and Leadership Team

October, 2026

Leadership Overview

Timmons Group has 4 executives leading key functions including corporate strategy, financial management, human capital development, and market expansion.

Focused on delivering comprehensive engineering and technology solutions, Timmons Group drives excellence across civil engineering, environmental services, and GIS technology to support infrastructure development throughout the United States.

Leadership Roles at Timmons Group

  • President & Chief Executive Officer - Brian Bortell
  • Chief Financial Officer - Vince Doherty
  • Chief Human Resources Officer - Shannon Hayes
  • Principal & Chief Marketing Officer - Timothy Asimos
  • Brian Bortell - President & Chief Executive Officer

    Brian Bortell, the President & Chief Executive Officer at Timmons Group, directs the overarching strategic vision for the firm. Overseeing all civil engineering and technology operations, the President & Chief Executive Officer ensures alignment between technical service delivery and long-term corporate growth objectives. This leadership role involves managing complex multi-disciplinary projects while maintaining high standards for environmental and landscape architecture initiatives. By fostering innovation within the GIS technology sector, Brian Bortell directly impacts the competitive positioning of the firm across North American markets. Bortell coordinates with the Board to secure sustainable expansion and operational efficiency. Through rigorous oversight of project lifecycles, the President & Chief Executive Officer maintains the reputation of the firm as a leader in infrastructure development. Ultimately, Bortell drives the organizational culture toward excellence and technical precision in every engineering endeavor.
    Brian Bortell

    Vince Doherty - Chief Financial Officer

    Vince Doherty, the Chief Financial Officer at Timmons Group, manages the fiscal health and capital allocation strategies for the organization. Overseeing financial reporting, budgeting, and risk management, the Chief Financial Officer ensures the firm maintains a robust balance sheet to support ongoing civil engineering and surveying projects. This leadership role involves analyzing market trends to optimize resource distribution across various regional offices. By implementing advanced financial modeling, Vince Doherty directly impacts the profitability and scalability of the firm. Doherty collaborates with executive leadership to evaluate investment opportunities in new technology and infrastructure sectors. Through disciplined fiscal oversight, the Chief Financial Officer secures the necessary capital to fund large-scale environmental and landscape architecture initiatives. Ultimately, Doherty maintains the financial integrity required to sustain long-term growth and operational stability within the competitive engineering landscape.
    Vince Doherty

    Shannon Hayes - Chief Human Resources Officer

    Shannon Hayes, the Chief Human Resources Officer at Timmons Group, directs talent acquisition, employee development, and organizational culture initiatives. Overseeing the recruitment of specialized engineers, GIS experts, and landscape architects, the Chief Human Resources Officer ensures the firm retains a high-performing workforce capable of executing complex technical projects. This leadership role involves designing comprehensive training programs that align with the evolving needs of the civil engineering and environmental sectors. By fostering an inclusive and high-engagement workplace, Shannon Hayes directly impacts the retention rates and overall productivity of the firm. Hayes collaborates with department heads to identify staffing requirements for regional expansion and project-specific demands. Through strategic workforce planning, the Chief Human Resources Officer builds the human capital necessary to maintain the technical excellence of the firm. Ultimately, Hayes cultivates a professional environment that supports the long-term career growth of every employee.

    Timothy Asimos - Principal & Chief Marketing Officer

    Timothy Asimos, the Principal & Chief Marketing Officer at Timmons Group, architects the brand strategy and market positioning for the firm. Overseeing digital marketing, lead generation, and client outreach, the Principal & Chief Marketing Officer ensures the firm effectively communicates the value of its civil engineering, GIS technology, and surveying services to diverse market segments. This leadership role involves analyzing industry data to refine messaging and enhance the visibility of the firm across national platforms. By leveraging data-driven marketing campaigns, Timothy Asimos directly impacts the acquisition of new business and the strengthening of client relationships. Asimos collaborates with technical leads to showcase project successes and innovative solutions. Through strategic brand management, the Principal & Chief Marketing Officer drives the growth of the firm by highlighting expertise in environmental and landscape architecture. Ultimately, Asimos secures a dominant market presence through consistent and impactful communication strategies.
    Timothy Asimos

    Explore Leadership Teams in Architecture, Engineering & Design

    Frequently Asked Questions Regarding Timmons Group Top Executives and Leadership Team

    Who leads Timmons Group?
    Timmons Group is led by Brian Bortell (President & Chief Executive Officer), along with executives such as Vince Doherty (Chief Financial Officer) and Shannon Hayes (Chief Human Resources Officer).
    Who is part of Timmons Group’s executive team?
    The executive team of Timmons Group includes leaders such as Brian Bortell (President & Chief Executive Officer), Vince Doherty (Chief Financial Officer), Shannon Hayes (Chief Human Resources Officer) and other senior executives.
    How many executives does Timmons Group have?
    Timmons Group has 4 executives leading key business areas.
    What roles are included in Timmons Group’s leadership team?
    The leadership team of Timmons Group includes roles such as President & Chief Executive Officer, Chief Financial Officer, Chief Human Resources Officer, Principal & Chief Marketing Officer.