Our Team
Tara, Chief Executive Officer
Based in Washington, D.C., Tara Arthur is the Co-Founder and Chief Executive Officer of Collective Security Group (CSG), where she leads the delivery of high-performing, human-centered, holistic security solutions to clients worldwide.
With over 15 years of experience in security risk management, coordination, programming, and advocacy in the development and humanitarian sector, Tara is dedicated to enhancing inclusive safety practices and operational effectiveness for organizations operating in changing and complex environments.
Elizabeth, Chief Technical Advisor
Based in Lisbon, Portugal, Elizabeth Detwiler is the Co-Founder and Chief Technical Advisor of Collective Security Group (CSG).
She has over 15 years of experience working for international nonprofits in security risk management in Afghanistan, Lebanon, Nigeria, and other locations.
Elizabeth specializes in risk assessment and has personally designed and delivered 80+ security trainings and workshops in over 20 countries.
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Masho, International Programs Director
Masho serves as the International Programs Director leading CSG's international portfolio and is one of CSG’s lead security experts.
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Odia, Administrative Manager
Odia serves as CSG’s Administrative Manager, overseeing office operations, ensuring smooth processes through research, document preparation, and logistical coordination.
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Linda, Business Development Manager
Linda Ineza is the Business Development Manager at Collective Security Group (CSG), leading client acquisition, nurturing relationships, and driving creative, revenue-generating strategies that elevate brand visibility and support the delivery of holistic, human-centered security solutions to clients worldwide.
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CSG Associate Consultants
CSG maintains a robust network of seasoned security professionals who contribute to our global portfolio.
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CSG Fellows
CSG Fellows serve across key operational areas, including technical, administrative coordination, social media outreach, newsletter growth, and strategic projects. Working closely with the core team, fellows play an essential role in strengthening CSG’s portfolio.