John Moriarty & Associates Executive and Leadership Team

October, 2026

Leadership Overview

John Moriarty & Associates has 4 executives leading key functions including corporate strategy, financial oversight, accounting management, and operational leadership.

Focused on delivering complex construction projects across diverse urban and suburban landscapes, John Moriarty & Associates maintains a commitment to precision, efficiency, and high-quality building standards for healthcare, laboratory, and residential clients.

Leadership Roles at John Moriarty & Associates

  • Chief Executive Officer - Christopher Brown
  • Chief Financial Officer - Louis Dahan
  • Manager, Accounting & Chief Financial Officer - Vanessa Florez
  • President - David Leathers
  • Christopher Brown - Chief Executive Officer

    Christopher Brown, the Chief Executive Officer at John Moriarty & Associates, directs the overarching strategic vision for the firm. Brown oversees the expansion of construction management services across Eastern Massachusetts, Northern New England, and the Washington, DC area. By aligning corporate goals with the specific demands of high-rise office and laboratory construction, the Chief Executive Officer ensures consistent project delivery. This leadership role involves constant coordination with regional directors to maintain the firm's reputation for rapid, effective building solutions. Christopher Brown monitors market trends in urban development to identify new growth opportunities for the organization. Through rigorous oversight of project standards, the Chief Executive Officer guarantees that every facility meets the complex requirements of healthcare and residential clients. Ultimately, Brown drives the long-term stability and competitive positioning of the firm within the construction industry.
    Christopher Brown

    Louis Dahan - Chief Financial Officer

    Louis Dahan, the Chief Financial Officer at John Moriarty & Associates, manages the fiscal health and capital allocation strategies for the entire organization. Dahan oversees the financial planning required to support large-scale construction projects throughout Connecticut and Rhode Island. By analyzing project budgets and operational costs, the Chief Financial Officer ensures that the firm maintains profitability while delivering high-quality laboratory and healthcare facilities. This leadership role involves close collaboration with the executive team to assess the economic viability of new urban construction ventures. Louis Dahan implements robust financial controls to mitigate risks associated with complex, multi-year building contracts. Through precise management of cash flow and investment strategies, the Chief Financial Officer supports the firm's ability to execute projects quickly and effectively. Dahan secures the financial foundation necessary for sustained growth across all regional offices.

    Vanessa Florez - Manager, Accounting & Chief Financial Officer

    Vanessa Florez, the Manager, Accounting & Chief Financial Officer at John Moriarty & Associates, directs the internal accounting operations and financial reporting structures. Florez oversees the daily fiscal integrity of projects located in Southern Florida and other key markets. By streamlining accounting processes, the Manager, Accounting & Chief Financial Officer ensures accurate tracking of expenditures for suburban office buildings and residential developments. This leadership role involves maintaining compliance with industry-specific financial regulations and reporting standards. Vanessa Florez provides the executive team with detailed insights into project-level profitability, enabling data-driven decision-making. Through the implementation of advanced accounting software and rigorous auditing procedures, the Manager, Accounting & Chief Financial Officer optimizes the firm's internal resource allocation. Florez maintains the financial transparency required to support the company's reputation for excellence in construction management.
    Vanessa Florez

    David Leathers - President

    David Leathers, the President at John Moriarty & Associates, executes the operational strategy and day-to-day management of construction activities. Leathers oversees the coordination between regional offices in Winchester, Alexandria, and Hollywood to ensure consistent service delivery. By supervising the construction of complex laboratory and healthcare facilities, the President maintains the high standards expected by clients. This leadership role involves managing relationships with key stakeholders and ensuring that project timelines remain on track across all geographic regions. David Leathers drives the implementation of efficient building methodologies for suburban office projects, focusing on speed and quality. Through active engagement with project managers and site supervisors, the President ensures that every construction site adheres to safety and performance protocols. Leathers supports the firm's mission by fostering a culture of operational excellence and technical precision in every project.

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    Frequently Asked Questions Regarding John Moriarty & Associates Top Executives and Leadership Team

    Who leads John Moriarty & Associates?
    John Moriarty & Associates is led by Christopher Brown (Chief Executive Officer), along with executives such as Louis Dahan (Chief Financial Officer) and Vanessa Florez (Manager, Accounting & Chief Financial Officer).
    Who is part of John Moriarty & Associates’s executive team?
    The executive team of John Moriarty & Associates includes leaders such as Christopher Brown (Chief Executive Officer), Louis Dahan (Chief Financial Officer), Vanessa Florez (Manager, Accounting & Chief Financial Officer) and other senior executives.
    How many executives does John Moriarty & Associates have?
    John Moriarty & Associates has 4 executives leading key business areas.
    What roles are included in John Moriarty & Associates’s leadership team?
    The leadership team of John Moriarty & Associates includes roles such as Chief Executive Officer, Chief Financial Officer, Manager, Accounting & Chief Financial Officer, President.