who we are

Chief Executive Officer Arthur Lopez is a former Deputy Chief in the Los Angeles Police Department, and a former Chief of Police in Oxnard, California. During his 28 year tenure in the Los Angeles Police Department, Chief Lopez either directly commanded or oversaw the investigative function of various units within a police department of over 8000 employees. As a Commander, Chief Lopez was in charge of the investigative activities of South Bureau Homicide Division, where he had the distinction of raising the clearance rate of homicides from 50% to well over 80%. As a Lieutenant, Chief Lopez was the Commanding Officer of Hollywood Vice (responsible for vice investigations including prostitution, gambling, and Alcoholic Beverage Control violations). Chief Lopez also spent approximately four years as a narcotics detective, and approximately two years as a Sergeant investigating gang crimes, narcotics, and aggravated assaults. During his six-year tenure at the Oxnard Police Department, Chief Lopez was instrumental in managing the Detective Division, including the reorganization of the division to assimilate information between the homicide, gang, and narcotics detectives. Chief Lopez's management and reorganization of the Detective Division helped produce a significant decrease in gang activity and gang crime. Mr. Lopez graduated from the University of Southern California (USC) with his Bachelor degree in Public Administration. Mr. Lopez went on to Cal Polytechnic University of Pomona where he received his Masters in Management.

NASI Senior Staff Investigator Doug Iversen was an officer in the Los Angeles Police Department for over 18 years. During that time he not only conducted general law enforcement activities, but specialized in traffic collision investigations to include his membership on the Specialized Collision Investigation Team, a unit that conducted extremely detailed investigations of City liability, high profile, and police-vehicle-involved, collisions. He also qualified as an expert in traffic collision investigation and Driving Under the Influence (DUI) investigations by the Los Angeles County Superior Court. Mr. Iversen has been providing investigative services in the private sector since 1992 specializing in complex investigations of interstate cargo theft, workers' compensation fraud, and general & auto liability claims. For four years, Mr. Iversen headed the Special Investigations Unit (SIU) for a firm contracted to investigate all bus and rail incidents for the Los Angeles County Metropolitan Transportation Authority (LACMTA). Mr. Iversen has also supervised workers compensation investigations on behalf of Disney, United Airlines, Waste Management, United Parcel Services, and other large corporate clients.

Isidro Lopez is the Director of Operations and Qualified Manager for North American Security and Investigations, Inc. Isidro supervises payroll, invoicing, and human resources operations for the company. Isidro graduated from the University of California at Santa Barbara with a major in Political Science. He previously worked in the insurance industry, where he completed two separate degrees of distinction, which were an LPCS (Legal Principles Claim Specialist) and a CCLA (Casualty Claim Law Associate). He is an active volunteer in several Ventura County non-profit organizations. Mr. Lopez graduated from the University of California at Santa Barbara with a Bachelor in Political Science.