NorthStar Executive and Leadership Team

September, 2026

Leadership Overview

NorthStar has 10 executives leading key functions including strategy, financial oversight, operational logistics, and regional market expansion.

Committed to rapid disaster recovery and environmental safety, NorthStar delivers critical remediation services across healthcare, industrial, and retail sectors to ensure business continuity during catastrophic events.

Leadership Roles at NorthStar

  • Chief Executive Officer - Dowon Lee
  • Chief Executive Officer & President - Dan Lee
  • Chief Financial Officer - Bradley Florin
  • Chief Operating Officer - Johnny Leonard
  • President, Western Operations (US) - Bryan DiLoreto
  • Branch President - Diana Thomson
  • President - Andrew Hixson
  • President - George Lopez
  • President - Adil Majid
  • Vice President & General Counsel - Gregory DiCarlo
  • Dowon Lee - Chief Executive Officer

    Dowon Lee, the Chief Executive Officer at NorthStar, directs the overarching corporate strategy and long-term vision for emergency preparedness services. Lee manages the integration of 930 response locations to ensure immediate deployment capabilities across all 50 states. By aligning internal resources with the complex demands of hazardous material abatement and large-scale disaster recovery, the Chief Executive Officer maintains the firm's competitive edge in the environmental services market. Dowon Lee fosters high-level partnerships with industrial and healthcare clients, ensuring that the organization meets rigorous safety standards during every project. This leadership role involves constant evaluation of market trends to anticipate catastrophic events and prepare the national network for rapid mobilization. Through disciplined oversight of the entire corporate structure, the Chief Executive Officer guarantees that the company remains the primary choice for clients requiring immediate, expert remediation and reconstruction services in any environment.

    Dan Lee - Chief Executive Officer & President

    Dan Lee, the Chief Executive Officer & President at NorthStar, executes the daily operational mandates and strategic growth initiatives for the entire organization. Lee oversees the deployment of over 2,500 employees, ensuring that every branch office maintains the capacity to handle incidents ranging from minor spills to massive reconstruction projects. As the Chief Executive Officer & President, Dan Lee drives the expansion of the national network, focusing on maintaining the firm's reputation for excellence in biological and chemical remediation. This position requires constant coordination with the board to optimize service delivery across diverse sectors like hospitality and manufacturing. By prioritizing operational efficiency and rapid response times, the Chief Executive Officer & President secures the company's position as a leader in the emergency services industry. Through meticulous management of resources and personnel, the executive ensures that every client receives the highest level of professional care during critical recovery phases.

    Bradley Florin - Chief Financial Officer

    Bradley Florin, the Chief Financial Officer at NorthStar, manages the fiscal health and capital allocation strategies necessary to support a national network of 50 branch offices. Florin directs all financial planning, budgeting, and risk management activities, ensuring that the company maintains the liquidity required for immediate disaster response. As the Chief Financial Officer, Bradley Florin oversees the economic viability of large-scale remediation projects, balancing the costs of hazardous material abatement with the need for rapid, high-quality service delivery. This role involves close collaboration with other C-suite leaders to align financial goals with the company's mission of providing essential recovery services. By implementing robust financial controls and monitoring market-wide performance, the Chief Financial Officer protects the firm's assets while enabling sustainable growth. Florin ensures that the organization remains financially resilient, allowing for the continuous investment in the specialized equipment and expert personnel required for complex environmental and industrial recovery operations.

    Johnny Leonard - Chief Operating Officer

    Johnny Leonard, the Chief Operating Officer at NorthStar, architects the internal processes and logistical frameworks that enable the company to dispatch teams of any size at a moment's notice. Leonard oversees the daily operations of the 930 integrated U.S. response locations, ensuring that every facility adheres to strict safety and quality protocols. As the Chief Operating Officer, Johnny Leonard drives the optimization of supply chains for hazardous material abatement and soil remediation, reducing response times for clients in the healthcare and education sectors. This leadership role involves coordinating with regional presidents to ensure that operational capacity matches the scale of incoming emergencies. By streamlining workflows and enhancing the efficiency of field teams, the Chief Operating Officer directly impacts the company's ability to recover facilities from floods, earthquakes, and other catastrophic events. Leonard maintains the operational readiness of the entire workforce, ensuring that the firm consistently delivers superior results in high-pressure environments.
    Johnny Leonard

    Bryan DiLoreto - President, Western Operations (US)

    Bryan DiLoreto, the President, Western Operations (US) at NorthStar, directs all emergency response and remediation activities across the western United States. DiLoreto manages the regional branch offices, ensuring that local teams possess the expertise to handle hazardous material spills and biological remediation in diverse industrial environments. As the President, Western Operations (US), Bryan DiLoreto drives the implementation of corporate safety standards while tailoring service delivery to the specific needs of western markets. This role involves overseeing the recruitment and training of specialized personnel to ensure that the region remains prepared for any disaster, from wildfires to infrastructure failures. By fostering strong relationships with regional clients and local authorities, the President, Western Operations (US) secures the company's market presence. DiLoreto ensures that the western division operates with the same level of precision and urgency as the national organization, maintaining the firm's commitment to rapid, effective recovery and reconstruction services.

    Diana Thomson - Branch President

    Diana Thomson, the Branch President at NorthStar, manages the localized execution of emergency preparedness and remediation services within a key market territory. Thomson directs the daily activities of the branch team, ensuring that all hazardous material abatement and reconstruction projects meet the company's high standards for quality and safety. As the Branch President, Diana Thomson drives the development of local client relationships, particularly within the healthcare and hospitality sectors. This role involves coordinating with national leadership to ensure that the branch has the necessary resources to respond to everyday incidents and catastrophic events alike. By focusing on operational excellence at the local level, the Branch President ensures that the company's national reputation for reliability is upheld in every project. Thomson monitors the performance of field crews and ensures that all regulatory requirements are met, providing clients with the peace of mind that comes from working with a highly experienced and well-equipped response partner.

    Andrew Hixson - President

    Andrew Hixson, the President at NorthStar, leads the strategic development of the company's industrial remediation and demolition services. Hixson directs the integration of advanced abatement technologies, ensuring that the firm remains at the forefront of environmental safety and recovery. As the President, Andrew Hixson drives the expansion of service offerings for large-scale industrial clients, focusing on complex projects that require specialized expertise and significant resource allocation. This leadership role involves collaborating with the executive team to identify new market opportunities and enhance the company's competitive positioning. By overseeing the technical aspects of hazardous material management, the President ensures that all projects are completed safely and in compliance with environmental regulations. Hixson maintains a focus on operational efficiency, ensuring that the firm's resources are utilized effectively to support the company's mission of providing rapid, reliable recovery services to clients across the nation.
    Andrew Hixson

    George Lopez - President

    George Lopez, the President at NorthStar, oversees the strategic growth and operational management of the company's healthcare and education sector remediation services. Lopez directs the specialized teams responsible for biological and chemical remediation, ensuring that sensitive environments are restored to safe, functional conditions. As the President, George Lopez drives the implementation of customized recovery plans for hospitals and schools, addressing the unique challenges associated with these critical facilities. This role involves working closely with facility managers and institutional leaders to ensure that emergency response efforts minimize disruption to essential services. By focusing on the specific needs of the healthcare and education markets, the President ensures that the company provides targeted, effective solutions for every client. Lopez maintains a commitment to excellence in every project, ensuring that the firm's expertise in disaster recovery is applied with the highest level of care and professional integrity.

    Adil Majid - President

    Adil Majid, the President at NorthStar, leads the strategic initiatives for the company's retail and commercial facility remediation division. Majid directs the operational teams responsible for rapid response to everyday incidents and catastrophic events, ensuring that retail environments are restored quickly to maintain business continuity. As the President, Adil Majid drives the development of service models that cater to the high-volume, time-sensitive needs of commercial clients. This role involves coordinating with regional managers to ensure that the company's resources are deployed efficiently across major U.S. markets. By focusing on the specific requirements of the retail sector, the President ensures that the firm provides tailored, effective solutions for mold remediation, hazardous material abatement, and reconstruction. Majid maintains a focus on client satisfaction and operational excellence, ensuring that the company remains the preferred partner for commercial entities requiring immediate, expert recovery services in the face of unexpected disasters.

    Gregory DiCarlo - Vice President & General Counsel

    Gregory DiCarlo, the Vice President & General Counsel at NorthStar, manages all legal affairs, regulatory compliance, and risk mitigation strategies for the organization. DiCarlo directs the legal team in navigating the complex landscape of environmental regulations and licensing requirements across all 50 states. As the Vice President & General Counsel, Gregory DiCarlo drives the development of contractual frameworks that protect the company during large-scale disaster recovery and reconstruction projects. This role involves providing strategic legal guidance to the C-suite, ensuring that all business operations align with federal and state laws. By proactively addressing potential liabilities and ensuring strict adherence to safety standards, the Vice President & General Counsel supports the firm's ability to operate effectively in high-risk environments. DiCarlo ensures that the company maintains its professional standing and legal integrity, allowing the organization to focus on its core mission of providing essential emergency response and remediation services to clients nationwide.

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    Frequently Asked Questions Regarding NorthStar Top Executives and Leadership Team

    Who leads NorthStar?
    NorthStar is led by Dowon Lee (Chief Executive Officer), along with executives such as Dan Lee (Chief Executive Officer & President) and Bradley Florin (Chief Financial Officer).
    Who is part of NorthStar’s executive team?
    The executive team of NorthStar includes leaders such as Dowon Lee (Chief Executive Officer), Dan Lee (Chief Executive Officer & President), Bradley Florin (Chief Financial Officer) and other senior executives.
    How many executives does NorthStar have?
    NorthStar has 10 executives leading key business areas.
    What roles are included in NorthStar’s leadership team?
    The leadership team of NorthStar includes roles such as Chief Executive Officer, Chief Executive Officer & President, Chief Financial Officer, Chief Operating Officer, President, Western Operations (US).