Leadership Overview
NorthStar has 10 executives leading key functions including strategy, finance, and operations.
Driven by a commitment to client resilience, NorthStar provides essential emergency preparedness and remediation services across diverse sectors, ensuring operational continuity during critical events.
Driven by a commitment to client resilience, NorthStar provides essential emergency preparedness and remediation services across diverse sectors, ensuring operational continuity during critical events.
Leadership Roles at NorthStar
Scott State - Chief Executive Officer
Scott State, the Chief Executive Officer at NorthStar, directs the overarching corporate strategy and operational execution. This leadership role involves guiding the company's 29 years of experience in emergency preparedness and remediation services across retail, education, healthcare, manufacturing, hospitality, and industrial environments. State ensures that NorthStar's extensive national network of over 50 branch offices and 930 response locations effectively supports clients facing disasters. Overseeing the dispatch of teams ranging from 10 to thousands of employees, Scott State guarantees immediate and scalable response capabilities for incidents of any magnitude, from everyday issues to catastrophic events like hurricanes and acts of terrorism. The Chief Executive Officer's focus remains on maintaining the company's proven credentials and resolving complex client situations with expertise and resources.

Sebastian Scalera - Co-Founder & Chief Executive Officer
Sebastian Scalera, the Co-Founder & Chief Executive Officer at NorthStar, shapes the strategic vision and foundational principles of the organization. Scalera's leadership drives the company's mission to provide critical emergency preparedness and remediation services, leveraging over 29 years of industry experience. This role involves ensuring that NorthStar's extensive capabilities in hazardous material abatement, soil & mold remediation, demolition, and reconstruction are consistently applied across all 50 states. Sebastian Scalera oversees the integration of the national network of over 50 branch offices and 930 response locations, guaranteeing rapid deployment of resources. The Co-Founder & Chief Executive Officer's strategic direction ensures clients receive expert support for everyday incidents and catastrophic events, reinforcing NorthStar's commitment to client resilience and recovery.
Dan Lee - Chief Executive Officer & President
Dan Lee, the Chief Executive Officer & President at NorthStar, commands the strategic direction and operational oversight of the company. Lee's executive purview encompasses the delivery of comprehensive emergency preparedness and remediation services, drawing upon NorthStar's nearly three decades of specialized experience. This leadership position involves ensuring seamless coordination across the national network of over 50 branch offices and 930 response locations, facilitating immediate dispatch of response teams. Dan Lee's responsibilities include maintaining the highest standards in hazardous material abatement, demolition, and reconstruction services nationwide. The Chief Executive Officer & President's focus is on reinforcing NorthStar's capacity to effectively manage client recovery from diverse disasters, from biological and chemical incidents to catastrophic natural events.
Kevin Shulko - Chief Financial Officer
Kevin Shulko, the Chief Financial Officer at NorthStar, manages the company's financial health and strategic resource allocation. Shulko's oversight ensures that NorthStar maintains the financial stability required to support its extensive operations across all 50 states, including hazardous material abatement, demolition, and reconstruction services. This role is critical in funding the national network of over 50 branch offices and 930 response locations, enabling the immediate dispatch of large-scale response teams. Kevin Shulko directs financial planning, budgeting, and investment strategies that underpin NorthStar's capacity to respond to both routine incidents and catastrophic events. The Chief Financial Officer's fiscal management supports the company's ability to provide critical emergency preparedness and remediation services effectively and efficiently.
George Lopez - President
George Lopez, the President at NorthStar, drives operational excellence and strategic growth across key business segments. Lopez's leadership focuses on enhancing NorthStar's nearly 30 years of experience in emergency preparedness and remediation services, ensuring clients in retail, education, healthcare, and industrial sectors receive unparalleled support. This role involves overseeing the effective deployment of resources from the national network of over 50 branch offices and 930 response locations. George Lopez ensures that teams are equipped and ready to manage diverse situations, from hazardous material spills to recovery from catastrophic events. The President's commitment is to uphold NorthStar's reputation for expertise and reliability in resolving complex client challenges nationwide.
Samuel Brown - President
Samuel Brown, the President at NorthStar, directs strategic initiatives and operational performance across the organization. Brown's executive focus is on reinforcing NorthStar's extensive capabilities in emergency preparedness and remediation, ensuring clients receive expert services in hazardous material abatement, demolition, and reconstruction. This leadership position involves optimizing the utilization of the company's national network, comprising over 50 branch offices and 930 response locations, to guarantee swift and effective client support. Samuel Brown oversees the management of response teams, ensuring their readiness to address incidents ranging from minor spills to major catastrophic events. The President's dedication is to maintaining NorthStar's high standards of service and client recovery.
Bill Donovan - President
Bill Donovan, the President at NorthStar, spearheads the company's operational strategies and service delivery excellence. Donovan's leadership emphasizes NorthStar's nearly three decades of expertise in providing critical emergency preparedness and remediation services to diverse industries. This role involves ensuring the seamless coordination of response efforts from the national network of over 50 branch offices and 930 integrated U.S. response locations. Bill Donovan oversees the deployment of teams capable of managing any scale of emergency, from biological and chemical remediation to recovery from natural disasters. The President's focus is on upholding NorthStar's commitment to resolving client challenges with efficiency and proven credentials.
Mark Medford - President
Mark Medford, the President at NorthStar, drives the strategic execution and operational integrity of the company's service offerings. Medford's leadership reinforces NorthStar's extensive experience in emergency preparedness and remediation, ensuring clients across various sectors receive expert support. This position involves overseeing the effective deployment and management of resources from the national network of over 50 branch offices and 930 response locations. Mark Medford ensures that response teams are prepared to handle a wide spectrum of incidents, including hazardous material spills and recovery from catastrophic events. The President's objective is to maintain NorthStar's high standards for client recovery and operational resilience.
Diana Thomson - Branch President
Diana Thomson, the Branch President at NorthStar, directs regional operations and client engagement within specific geographic markets. Thomson's leadership focuses on implementing NorthStar's emergency preparedness and remediation strategies at a local level, ensuring adherence to the company's high standards. This role involves managing branch resources and personnel to provide timely and effective services, including hazardous material abatement and disaster recovery support. Diana Thomson oversees the coordination of response teams to address client needs efficiently. The Branch President's objective is to strengthen NorthStar's presence and service delivery within their designated operational areas, contributing to overall client satisfaction and resilience.
Bryan DiLoreto - President, Western Operations (US)
Bryan DiLoreto, the President, Western Operations (US) at NorthStar, leads and expands the company's service delivery across the western United States. DiLoreto's executive focus is on enhancing NorthStar's emergency preparedness and remediation capabilities within this key region, ensuring clients receive expert support for diverse challenges. This role involves optimizing the deployment of resources from the company's extensive network to address incidents ranging from hazardous material spills to recovery from major natural disasters. Bryan DiLoreto oversees regional teams, ensuring their readiness and effectiveness in executing demolition, abatement, and reconstruction services. The President, Western Operations (US)'s objective is to drive growth and maintain operational excellence throughout the western territories.
Explore Leadership Teams in Energy, Utilities & Waste
Veolia Environnement is a global environmental services company that provides solutions for water management, waste treatment, and energy optimization. The company helps cities and industries improve sustainability, manage resources efficiently, and reduce environmental impact through innovative technologies and expert operational services.
Company Leadership GP
RA
JB
Circular Services helps businesses and municipalities reduce landfill costs by collecting, sorting, processing, and returning valuable materials back into supply chains through recycling, organics recovery, secure shredding, advisory services, and materials trading. It operates a network of facilities across the United States that handle packaging, organics, textiles, electronics, and other recyclables, keeping them out of landfills and supporting a circular economy where materials are reused rather than wasted.
Company Leadership



WIN Waste Innovations is a waste management company specializing in sustainable waste disposal and recycling solutions, promoting environmental responsibility across the U.S.
Company Leadership
JA

Recology Inc. is a family owned company that provides solid waste, recycling and compost collection service for cities in California, Oregon, and Washington. It is headquartered in San Francisco California.
Company Leadership
MP
