Our Team

Tara Arthur, 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 Detwiler, Chief Technical Advisor

Based in Lisbon, Portugal, Elizabeth Detwiler is 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.

  • Odia McLaughlin, Administrative Manager

    Odia serves as CSG’s Administrative Manager, overseeing office operations, ensuring smooth processes through research, document preparation, and logistical coordination.

  • Masho Deen

    Masho Deen, Senior Consultant

    Masho servers as a lead consultant on key projects in CSG’s international portfolio

  • CSG Associate Consultants

    CSG Maintains a robust network of associates who contribute to our global portfolio.