Our Mission

About us

SSI provides their Clients with lawful, client-centric, cost-effective, efficient, worldwide Risk Management solutions - using the full-suite of security and research/intelligence tools.

Our responsive security services are predicated on the belief that expertise, confidentiality, and discretion are the hallmarks of superior customer service & client satisfaction. Three decades have proven the success of this formula."

- Dave Nicastro, Founder

Dave Nicastro

Founder
Dave was a distinguished security professional and former U.S. Marine Security Guard who served at the U.S. Embassy in Beirut and later with the U.S. Secret Service, including assignments at the White House. His career spanned decades, transitioning from government service to the highest echelons of corporate America.

In 1993, Dave founded Secure Source, Inc. (SSI), a premier global risk mitigation and executive protection fi rm. Under his leadership, SSI became known for delivering fi rst-class professional security services with a wide range of capabilities, a mission that remains central to the company today. Following SSI’s acquisition by Global Options, Inc. in 2006, Dave and his original leadership team re-established Secure Source in 2010, continuing its legacy of excellence.

A respected voice in the security industry, Dave authored numerous articles and was a featured expert on major television networks, offering insights and best practices on critical security challenges facing nations and corporations. His contributions to the field of risk mitigation and executive protection continue to inspire and guide the industry.

Domenic Nicastro

President and Project Manager
With over 15 years at Secure Source International as a Special Project and Case Manager, Domenic specializes in executive protection and travel logistics. His expertise in risk assessment, crisis management, and operational planning ensures the safety and success of high-profile clients in complex environments.

Domenic leverages his deep understanding of regional and cultural dynamics to deliver tailored security solutions for our clients. His ability to anticipate challenges and implement strategic measures has made him a trusted professional in the field.

Simon Atkinson

Chief Operations Officer
A former Infantry Officer in the UK Armed Forces, Simon served as a SERE (Survival, Evasion, Resistance, Escape) Instructor and, after passing selection for Special Duties, as a Confidential Informant Handler. His operational experience spans Northern Ireland, Iraq, and Bosnia, where he honed his skills in high-stakes environments.

Transitioning to the commercial sector in 2008, Simon has since planned and executed a wide range of security and investigation operations across nearly 100 countries. A recognized specialist in kidnap prevention and hostage survival, he has advised and supported governments, NGOs, and commercial entities in navigating these complex challenges.

Simon is also highly experienced in non-combatant evacuation and personnel recovery operations. Additionally, he has led multiple investigations into human traffi cking and the illicit trade of protected wildlife, contributing to efforts affecting these global issues.

Martin Scott

Project Manager
As a British expatriate and security professional with over 20 years of experience in private security and based in Central America (Guatemala) since 2015, Martin provides customized security and risk management solutions across Latin America and the Caribbean. His career spans four continents, with expertise in close protection, risk consulting, and project management for corporate, media, and high-net-worth clients.

A veteran of Her Majesty’s British Forces, Martin has led security operations in high-risk environments, including desert, jungle, and urban settings. He specializes in managing media security for news-gathering and film productions in volatile regions, as well as implementing security improvements for industrial and corporate clients. His work has included reducing kidnappings and corruption at industrial sites, designing security programs for large-scale events, and ensuring the safety of international film and documentary crews.

Martin’s expertise includes corporate security, crisis response, operational planning, and emergency management. He is skilled in analyzing intelligence, implementing standardized protocols, and overseeing the selection and management of security providers for international projects.

Vincent Levy

Project Manager
Vincent is a Close Protection Specialist with expertise in mental health first aid, crisis intervention, and verbal de-escalation. With over a decade of experience in law enforcement and trained by the FBI as a hostage negotiator, he is adept at managing high-pressure situations, mitigating risks, and preventing escalation. His crisis management skills enable rapid responses to threats, while his ability to connect with individuals allows him to defuse tense situations effectively.

Vincent’s background in executive protection and mental health first aid equips him to identify signs of distress and provide timely support. His proactive approach to security emphasizes both physical safety and psychological well-being, ensuring a holistic protection strategy.

Throughout his career, Vincent demonstrates a strong ability to establish trust and maintain calm in challenging circumstances and high-risk environments, making him a reliable and skilled professional in the field of close protection.

John Nation

General Counsel
John holds a law degree from Texas Wesleyan University School of Law and an undergraduate degree from Texas A&M. He specializes in legal analysis, compliance, finance, and open-source and digital investigations with a focus on Latin America and China.

His work includes navigating regional requirements, such as travel documentation and government job regulations, and addressing complex legal and operational challenges. He is sworn in before the Supreme Court of the United States and the Texas Bar and is a member of the Overseas Security Advisory Council, a UN business affiliate, and the Texas General Counsel Forum.

Rosie Nicastro

Compliance and Vendor Management
Rosie brings a diverse background in operations, marketing, logistics, and vendor compliance to her role at Secure Source. She obtained a Bachelor’s degree in Social Sciences from Washington State University and studied marketing and design at Parsons The New School in New York City.

Previously working in high-end event management, Rosie is based in NYC and brings her expertise in operational effi ciency and coordinating complex logistics to SSI, where she oversees vendor compliance and ensures adherence to regulatory standards. Focusing on maintaining operational excellence by managing vendor relationships and navigating logistical challenges, her skills in problem-solving and process improvement contribute to the organization’s mission of delivering effective security and risk management solutions.