NorthStar Executive and Leadership Team

November, 2026

Leadership Overview

NorthStar has 9 executives leading key functions including strategy, financial oversight, legal compliance, and regional operational management.

Focused on delivering rapid emergency preparedness and remediation services, NorthStar maintains a commitment to operational excellence across all 50 states, ensuring critical infrastructure recovery for healthcare, industrial, and retail sectors through a vast national network.

Leadership Roles at NorthStar

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

    Dowon Lee, the Chief Executive Officer at NorthStar, directs the overarching strategic vision for emergency preparedness and remediation services across the United States. Lee architects the long-term growth trajectory, ensuring the organization maintains readiness for hazardous material abatement and catastrophic event recovery. By aligning corporate resources with the needs of healthcare, education, and industrial clients, the Chief Executive Officer drives operational efficiency across 930 integrated response locations. Dowon Lee monitors market trends to expand the footprint of the company, securing the firm's position as a leader in disaster recovery. This leadership role involves constant coordination with the Board to optimize service delivery models. Through rigorous oversight of the 2,500-employee workforce, the Chief Executive Officer guarantees that every branch office adheres to the highest safety standards. Ultimately, Lee ensures the company remains the primary choice for complex environmental remediation and reconstruction projects nationwide.

    Bradley Florin - Chief Financial Officer

    Bradley Florin, the Chief Financial Officer at NorthStar, manages the fiscal health and capital allocation strategies required to support extensive emergency response operations. Florin oversees the financial planning and analysis necessary to sustain a network of 50 branch offices, ensuring liquidity for immediate disaster deployment. The Chief Financial Officer evaluates investment opportunities in remediation technology and equipment to maintain a competitive edge in the environmental services market. By monitoring revenue streams from diverse sectors like hospitality and manufacturing, Bradley Florin secures the financial stability of the organization. This role involves managing complex budgetary requirements for large-scale hazardous material abatement projects. Through precise fiscal governance, the Chief Financial Officer supports the expansion of service capabilities across all 50 states. Florin maintains rigorous internal controls, ensuring that financial reporting aligns with the operational scale of the company while facilitating sustainable growth and long-term profitability for the entire enterprise.

    Bryan DiLoreto - President, Western Operations (US)

    Bryan DiLoreto, the President, Western Operations (US) at NorthStar, oversees all emergency response and remediation activities throughout the western United States. DiLoreto directs the deployment of specialized teams for hazardous material spills, biological remediation, and disaster recovery in major regional markets. The President, Western Operations (US) manages the operational readiness of branch offices, ensuring that resources remain available for immediate dispatch during earthquakes, floods, or other catastrophic events. Bryan DiLoreto coordinates with local leadership to optimize the delivery of demolition and reconstruction services for industrial and healthcare clients. This role involves scaling regional operations to meet the specific environmental challenges of the western territory. By driving efficiency in field operations, the President, Western Operations (US) ensures that the company maintains its reputation for rapid, reliable service. DiLoreto monitors regional performance metrics, implementing strategies that enhance service quality and operational speed across the entire western operational footprint.

    Adil Majid - President

    Adil Majid, the President at NorthStar, focuses on the internal scaling and operational integration of the company's emergency response divisions. Majid directs the optimization of the 930 integrated U.S. response locations, ensuring that field teams possess the necessary equipment for hazardous material abatement and soil remediation. The President manages the cross-functional alignment between branch offices and corporate headquarters to streamline disaster recovery workflows. Adil Majid oversees the implementation of advanced remediation technologies, enhancing the firm's ability to resolve complex environmental incidents in the retail and hospitality sectors. This leadership role involves refining operational processes to increase the speed of deployment for large-scale emergency events. By fostering a culture of safety and efficiency, the President ensures that the company maintains its competitive advantage in the environmental services industry. Majid drives continuous improvement initiatives, ensuring that all operational units deliver consistent, high-quality results for clients facing urgent facility recovery needs.

    Mark Medford - President

    Mark Medford, the President at NorthStar, leads the strategic expansion of the company's industrial and manufacturing remediation services. Medford directs the development of specialized recovery programs tailored to the unique needs of large-scale industrial facilities, including chemical spill response and hazardous material abatement. The President oversees the coordination of multi-site projects, ensuring that teams ranging from 10 to thousands of workers operate with maximum efficiency. Mark Medford manages relationships with key industrial partners, securing long-term contracts for emergency preparedness and facility reconstruction. This role involves analyzing market demand for environmental services to guide the strategic placement of new response locations. By driving innovation in remediation techniques, the President ensures that the company remains at the forefront of the industry. Medford monitors the performance of industrial service lines, implementing operational adjustments that enhance service delivery and client satisfaction across the national network of branch offices.
    Mark Medford

    Diana Thomson - Branch President

    Diana Thomson, the Branch President at NorthStar, manages the daily operations and service delivery for a key regional branch office. Thomson directs the local deployment of emergency response teams, ensuring that clients in the healthcare and education sectors receive immediate support during incidents. The Branch President oversees the execution of hazardous material abatement and mold remediation projects, maintaining strict adherence to safety and quality standards. Diana Thomson coordinates with regional leadership to ensure that local resources align with the broader national strategy for disaster recovery. This role involves managing local personnel and equipment assets to maintain high operational readiness. By fostering strong relationships with local facility managers, the Branch President secures the company's market presence in the region. Thomson monitors local project performance, implementing process improvements that increase the speed and effectiveness of emergency response services, ultimately ensuring that the branch meets all corporate performance targets.

    Andrew Hixson - President

    Andrew Hixson, the President at NorthStar, directs the strategic initiatives for the company's healthcare and institutional remediation services. Hixson oversees the specialized protocols required for biological and chemical remediation in sensitive environments, ensuring that hospitals and educational facilities recover quickly from catastrophic events. The President manages the integration of advanced decontamination technologies, enhancing the firm's capability to handle complex environmental hazards. Andrew Hixson coordinates with the executive team to align healthcare service offerings with the evolving needs of the national market. This role involves driving business development efforts to expand the company's footprint in the institutional sector. By maintaining rigorous standards for safety and compliance, the President ensures that all remediation projects meet the specific regulatory requirements of the healthcare industry. Hixson monitors the operational success of these specialized divisions, implementing strategies that improve service delivery and strengthen the company's reputation for excellence in critical facility recovery.
    Andrew Hixson

    George Lopez - President

    George Lopez, the President at NorthStar, leads the strategic development of the company's retail and hospitality emergency response services. Lopez directs the operational planning for large-scale recovery projects, ensuring that retail chains and hospitality groups minimize downtime following disasters. The President oversees the deployment of rapid-response teams for demolition and reconstruction, ensuring that facilities return to full operation as quickly as possible. George Lopez manages the coordination of logistics for multi-site emergency events, optimizing the use of the company's 930 response locations. This role involves building strategic partnerships with major retail and hospitality brands to provide comprehensive disaster preparedness solutions. By driving efficiency in field operations, the President ensures that the company delivers consistent, high-quality results across diverse geographic markets. Lopez monitors the performance of the retail and hospitality divisions, implementing operational strategies that enhance service speed and client satisfaction, thereby securing the firm's leadership in the commercial remediation sector.

    Gregory DiCarlo - Vice President & General Counsel

    Gregory DiCarlo, the Vice President & General Counsel at NorthStar, directs all legal affairs and regulatory compliance initiatives for the organization. DiCarlo manages the complex licensing requirements across all 50 states, ensuring that every emergency response and demolition project meets stringent environmental standards. The Vice President & General Counsel mitigates corporate risk by overseeing contract negotiations for large-scale industrial and healthcare remediation projects. Gregory DiCarlo provides critical guidance on hazardous material abatement regulations, protecting the firm from liability during catastrophic event recovery. This leadership role involves close collaboration with executive management to ensure that operational strategies align with federal and state legal frameworks. By maintaining a robust legal infrastructure, the Vice President & General Counsel enables the company to deploy teams rapidly without regulatory delays. DiCarlo safeguards the reputation of the firm through proactive legal strategy, ensuring that all reconstruction and soil remediation activities adhere to the highest industry compliance protocols.

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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 Bradley Florin (Chief Financial Officer) and Bryan DiLoreto (President, Western Operations (US)).
    Who is part of NorthStar’s executive team?
    The executive team of NorthStar includes leaders such as Dowon Lee (Chief Executive Officer), Bradley Florin (Chief Financial Officer), Bryan DiLoreto (President, Western Operations (US)) and other senior executives.
    How many executives does NorthStar have?
    NorthStar has 9 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 Financial Officer, President, Western Operations (US), President, President.