Management Resources

Corporate Security Resources' principals, managers, investigators and consultants operate from offices in NY/NJ, DC and CA. All are formally educated in security management, criminal justice, legal and/or business disciplines, and bring valuable law enforcement and private sector business management experiences to the firm, including those with: 

  • Investigative, Technical and Crime Prevention divisions of the New York and Los Angeles Police Departments,
  • Investigative and Legal bureaus of the NY State Attorney General's Office and local District Attorney’s Offices in NY and CA,
  • Investigative and Enforcement divisions of the Federal Government.
  • Corporate Security, Auditing and Management Consulting departments within Financial Institutions, Major Manufacturing and Service Corporations, Airline and Hotel Operators, and Public Accounting / IT Consulting Firms. 

CSR maintains Associate relationships with qualified independent security management and investigative professionals in business centers across the country. This on-call network reinforces and supplements our credibility in local arenas, and allows the firm to provide clients with established representation and well regarded specialized technical expertise wherever and whenever necessary.


CORPORATE SECURITY RESOURCES' managing principals and operating staff bring considerable law enforcement, private security and corporate business experience to the firm. 

  • Steven T. Campbell
    President & founder

    Steven is a former Special Investigator with the New York State Attorney General's Office. His private sector experiences include key management positions with Chemical Bank’s Investigation & Protection Group, as well as with security service firms Pinkerton’s and Securiguard Group. Steven is a graduate of C.W. Post College, holds a Masters Degree from John Jay College of Criminal Justice. He currently holds the highest professional certification in the industry, CPP – Certified Protection Professional, has been previously designated a Certified Fraud Examiner (CFE), and is a Member of the American Society for Industrial Security. In addition to his role at CSR, Steven is an adjunct faculty member at John Jay College of Criminal Justice.

  • Alex Browning
    CSR’s Manager in NY/NJ & DC

    Alex has several years of investigative, security, and electronic security experience. Previous to that, Alex began his professional career working for a U.S. Congressman in the Washington D.C. Congressional office. Alex is a graduate of John Jay College of Criminal Justice.

  • Julia Hollander Campbell
    Executive Vice President

    Julia is a former Vice President and Unit Manager with The Bank of New York's Private Banking Group. Her prior business experiences include management consulting positions with Irving Trust Company, KPMG Peat Marwick and the American Bankers Association. Julia is a graduate of Wesleyan University in Middletown, CT, was previously designated a Certified Fraud Examiner (CFE) and has attended the Security Management Institute of John Jay College of Criminal Justice.

  • John Bagnall
    CSR’s Manager in CA

    John has over twenty five years of law enforcement experience with the Los Angeles Police Department, culminating as a supervising Detective in the Financial Crimes Unit. He is a court qualified expert in the areas of business fraud and forgery, and has extensive experience investigating computer and Internet crime, identity theft and telecommunications fraud. John is a graduate of California State University at Northridge and is a Certified Fraud Examiner (CFE).



CORPORATE SECURITY RESOURCES’ commitment to professional responsibility includes complete compliance with the licensing, insurance and professional certification requirements of governing authorities and prominent industry associations.

CSR is fully qualified and licensed by industry regulators to provide private security, investigative and related advisory services.

The firm’s comprehensive general liability and errors / omissions insurance coverage is maintained at or above protection levels normally accepted in a professional business environment, and far above the minimums required by law.

Our clients are assured managerial, operational and technical proficiency by professional affiliations and certifications, including those by: 

  • American Society for Industrial Security
  • Association of Certified Fraud Examiners
  • FBI / Infragard
  • NYPD Shield
  • Society of Professional Investigators
  • Financial Women's Association
  • Associated Licensed Detectives of New York State
  • New Jersey Licensed Private Investigators Association
  • California Association of Licensed Investigators.