Leadership Overview
NorthStar has 10 executives leading key functions including strategy, operations, financial oversight, legal compliance, and regional management.
Focused on delivering rapid emergency response and remediation, NorthStar maintains a commitment to facility recovery across diverse industrial, healthcare, and educational sectors throughout the United States.
Focused on delivering rapid emergency response and remediation, NorthStar maintains a commitment to facility recovery across diverse industrial, healthcare, and educational sectors throughout the United States.
Leadership Roles at NorthStar
Dowon Lee - Chief Executive Officer
Dowon Lee, the Chief Executive Officer at NorthStar, directs the overarching corporate strategy for emergency preparedness and hazardous material remediation. Lee oversees the integration of 930 response locations to ensure immediate deployment capabilities across all 50 states. By aligning corporate resources with the needs of healthcare, retail, and industrial clients, the Chief Executive Officer maintains the firm's market position as a leader in disaster recovery. Dowon Lee drives the expansion of service capabilities, ensuring that the organization remains prepared for catastrophic events ranging from chemical spills to large-scale environmental disasters. Through rigorous oversight of the national network, the Chief Executive Officer guarantees that every branch office adheres to the highest standards of safety and operational efficiency. This leadership role involves constant evaluation of market trends to sustain long-term growth and operational excellence in the environmental services sector.
Dan Lee - Chief Executive Officer & President
Dan Lee, the Chief Executive Officer & President at NorthStar, manages the executive vision and daily business operations for the entire organization. Dan Lee architects the strategic framework that allows the company to provide comprehensive demolition, abatement, and reconstruction services to clients in critical environments. By coordinating with the broader leadership team, the Chief Executive Officer & President ensures that the 2,500-strong workforce remains ready to address complex remediation challenges. This role involves balancing the immediate demands of emergency response with the long-term goals of the company's parent holding entity. The Chief Executive Officer & President monitors the performance of the 50 branch offices to ensure consistent service delivery across all major U.S. markets. Through this focused leadership, the organization maintains its reputation for reliability and technical expertise during high-stakes recovery operations.
Kevin Shulko - Chief Financial Officer
Kevin Shulko, the Chief Financial Officer at NorthStar, directs the financial health and fiscal planning for the organization. Shulko oversees capital allocation, budgeting, and financial reporting to ensure the company maintains the resources required for nationwide emergency response operations. By managing the economic aspects of the 50 branch offices, the Chief Financial Officer ensures that the firm remains profitable while investing in the specialized equipment needed for biological and chemical remediation. Kevin Shulko collaborates with the executive team to assess the financial impact of large-scale recovery projects and long-term reconstruction contracts. This leadership role involves maintaining fiscal discipline to support the company's ability to dispatch teams immediately during disasters. Through strategic financial management, the Chief Financial Officer secures the stability necessary for the organization to continue providing critical services to healthcare, industrial, and retail clients across the country.
Johnny Leonard - Chief Operating Officer
Johnny Leonard, the Chief Operating Officer at NorthStar, manages the logistical execution of emergency response and remediation projects across the United States. Leonard oversees the deployment of teams ranging from small crews to thousands of workers, ensuring that every facility receives the necessary resources for rapid recovery. By optimizing the internal processes of the 930 integrated response locations, the Chief Operating Officer maintains high standards for hazardous material abatement and soil remediation. Johnny Leonard coordinates with regional leadership to ensure that operational workflows remain efficient during catastrophic events like hurricanes or floods. This role involves constant monitoring of field performance to guarantee that all projects meet strict safety and regulatory requirements. Through the implementation of scalable operational strategies, the Chief Operating Officer supports the company's mission to provide immediate, effective solutions for clients in the hospitality, manufacturing, and education sectors.

Mark Medford - President
Mark Medford, the President at NorthStar, focuses on the strategic growth and business development of the company's eastern regional operations. Medford oversees the expansion of service offerings in major U.S. markets, ensuring that clients have access to immediate emergency response and remediation capabilities. By driving initiatives that enhance the company's presence in the healthcare and industrial sectors, the President ensures that the organization remains a preferred partner for disaster recovery. Mark Medford coordinates with branch managers to optimize the delivery of hazardous material abatement and reconstruction services. This role involves fostering relationships with key stakeholders to secure long-term contracts and maintain the firm's competitive edge. Through the execution of targeted growth strategies, the President supports the company's mission to provide reliable, high-quality facility recovery services across the eastern United States.
Adil Majid - President
Adil Majid, the President at NorthStar, directs the operational performance and market penetration for the company's central regional divisions. Majid oversees the integration of response teams to ensure that clients in the manufacturing and hospitality sectors receive timely support during everyday incidents and catastrophic events. By managing the allocation of resources across central branch offices, the President ensures that the firm maintains its capacity for immediate dispatch. Adil Majid works to refine the delivery of soil and mold remediation services, aligning these efforts with the company's broader commitment to environmental safety. This role involves analyzing regional market trends to identify new opportunities for service expansion and operational improvement. Through focused leadership, the President ensures that the organization delivers consistent, high-quality results that meet the specific needs of clients throughout the central United States.
Bill Donovan - President
Bill Donovan, the President at NorthStar, leads the strategic initiatives and operational oversight for the company's southern regional markets. Donovan manages the deployment of specialized teams for hazardous material abatement and disaster recovery, ensuring that healthcare and educational facilities remain operational. By coordinating with local branch leadership, the President ensures that the firm's response capabilities are tailored to the unique environmental challenges of the region. Bill Donovan drives the implementation of safety protocols and quality control measures to maintain the company's high standards during large-scale reconstruction projects. This role involves building strong partnerships with regional clients to ensure long-term service agreements and operational success. Through the effective management of regional resources, the President supports the company's mission to provide rapid, reliable emergency preparedness and recovery services across the southern United States.
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 oversees the management of branch offices to ensure that clients receive immediate support for events such as earthquakes, floods, and hazardous material spills. By optimizing the logistical chain for the western region, the President, Western Operations (US) ensures that the company can dispatch teams of any size to meet urgent facility recovery needs. Bryan DiLoreto collaborates with the executive team to align regional operations with the company's national strategy for environmental services. This role involves monitoring project performance and ensuring that all abatement and reconstruction work meets rigorous industry standards. Through the strategic management of western operations, the President, Western Operations (US) maintains the firm's reputation for excellence in disaster recovery and facility management.
Diana Thomson - Branch President
Diana Thomson, the Branch President at NorthStar, manages the daily operations and service delivery for a key regional office within the national network. Thomson oversees the local team of responders, ensuring that they possess the expertise and resources required for hazardous material abatement and emergency recovery. By focusing on the specific needs of local clients in the retail and industrial sectors, the Branch President maintains high levels of service quality and client satisfaction. Diana Thomson coordinates with the national leadership team to ensure that local operations align with the company's broader mission of providing immediate disaster response. This role involves managing local personnel, equipment, and project timelines to ensure that every incident is resolved efficiently and safely. Through dedicated leadership at the branch level, the Branch President contributes to the overall success and reliability of the company's nationwide emergency response network.
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 company. DiCarlo oversees the legal framework required to operate in all 50 states, ensuring that every hazardous material abatement and demolition project adheres to strict environmental laws. By providing counsel on complex contracts and liability issues, the Vice President & General Counsel protects the organization during high-stakes recovery operations. Gregory DiCarlo works closely with the executive team to navigate the regulatory landscape of the energy and environmental sectors. This role involves drafting and reviewing agreements that govern the company's relationships with clients in the healthcare, education, and industrial markets. Through proactive legal oversight, the Vice President & General Counsel ensures that the firm maintains its credentials and operational integrity while delivering essential emergency services across the United States.
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