The CSI Process

Critical Solutions International (CSI) is a company made up of exceptional people who have  a demonstrable record of  transforming challenging problems into  thoughtful and affordable engineered solutions.  Our expertise working in the Defense, Security, and Applied Research & Development markets allows Critical Solutions International to deliver high-quality solutions to our worldwide clients.

Founded in 1999, CSI provides platforms that detect and mitigate evolving threats for security forces worldwide. When your critical infrastructure is in environments where threats are dynamic and enemies have no border or uniforms, CSI has combat proven solutions that:

  • - Detect and analyze threats
  • - Mitigate threats with multiple platforms
  • - Train and support in-theater personnel to sustain operations and discover future threats
Critical Solutions International
Value Proposition

Based on CSI’s people (experience & contacts) in the Department of Defense, Research & Development and Program Management we posses a combination of skill sets that delivers solutions to our clients most pressing problems.

  • Discover Need
    or Problem
  • Design
    • Current Inventory
    • Research & Development
    • Industry Partners
  • Develop
    • Presenting Solution
    • Extensive Contacts
    • Market SME
  • Deliver Solutions
    • Training
    • Service Support
    • Maintenance & Spares

CSI Overview

CSI Senior Leadership

Michael McCormack

CEO & President

Michael McCormack

Mr. McCormack serves as CSI’s Chief Executive Officer.  He has over twenty-nine years of documented success in leading successful business units, driving new business development and providing direction for program management.  He has a wealth of experience in administration and management of personnel, fiscal management, scheduling/planning and problem solving.

Before joining CSI, Michael served in a number of capacities with Foster-Miller, Inc./QinetiQ North America (QNA) including; Executive Vice President, Group Director, Senior Program Manager.  Mr. McCormack was the Executive Vice President (EVP) of the QNA Land Systems Group responsible the execution of a $500M defense business unit.  Prior to that, Group Director of LAST® Armor Survivability division responsible for providing Foster-Miller, Inc. armor solutions to a variety of domestic and international customers.  Prior to his assignment, he was a Program/Acquisition Manager of several advanced R&D projects, responsible for formulating and implementing detailed, cost effective, strategies for acquiring, developing and executing programs in both the Department of Defense and commercial markets.

In addition to his extensive business experience Mr. McCormack served on both Active Duty and in the Massachusetts National Guard.  Col McCormack culminated his career as the Commander of the Massachusetts Army National Guard responsible for the readiness of 6,600 soldiers in 4 brigades.


  • M.S., National Security Strategy, National War College, 2003
  • M.A., Public Administration, Suffolk University, 2000
  • B.S., Civil Engineering, United States Military Academy (West Point), 1984

Patrick Callahan

Chief Strategy Officer & Vice President

Patrick Callahan

Mr. Callahan serves as CSI’s Chief Strategy Officer. Patrick manages CSI’s strategic growth, external sales operations and research and development operations. Before joining CSI, Patrick was the Director of Business Development for the Survivability Division of QinetiQ North America where he was responsible for managing contracts, proposals and sales totaling over $500 million. Mr. Callahan received his B.A. from Cornell University in Ithaca NY, M.A. and M.S. from Simmons College in Boston MA, and his MBA from Babson College in Wellesley MA.

Along with his business experience, Patrick served as an Infantry officer in the United States Army (active and reserve) from 2002 to 2012. From October 2003 until December 2004 Mr. Callahan deployed to Operation Iraqi Freedom with the US Army’s first Stryker Brigade Combat Team and served as a Platoon Leader, Executive Officer, and Company Commander in 1-23 Infantry “Tomahawks”.  In addition to his service in Iraq, Patrick led an Escort Platoon and conducted over 300 burial and ceremonial missions as a member of the oldest active Infantry Regiment in the US Army, 1-3 Infantry “The Old Guard” at Fort Myer, VA. Mr. Callahan finished his military career after a successful Company Command in the oldest reserve Infantry Battalion in the US Army, 1-181 Infantry.

Michael McCormack

Chief Financial Officer

Bill Goss

Mr. Goss serves as the Chief Financial Officer with responsibility for finance, accounting, treasury, risk management, and human resources.  Prior to CSI, Mr. Goss held positions as CFO of QinetiQ North America, Senior Vice President and CFO of Affiliated Computer Systems’ IT Group, and as CFO of Honeywell International’s Hardware Product Group.  Mr. Goss started his career in the audit practice of Arthur Andersen & Company.

Mr. Goss graduated from the University of Texas at Dallas and is a Certified Public Accountant.  He is a member of the American Institute of Certified Public Accountants and Financial Executives International.


Board of Directors

Andrew Byrd, CEO & President, TVV Capital
Steve Cook, Partner, TVV Capital, Advisory Director
Raymond Craig III, CSI
Ed Fearon, Vice Chairman, CSI
Matthew Harrison, Operating Partner, Sentinel Capital Partners
Michael McCormack, CEO, CSI
Paul Murphy, Partner, Sentinel Capital Partners
Rick Reisner, Principal, TVV Capital
Marc A. Buan, Vice President, Sentinel Partners
LTG (Ret.) Thomas F. Metz, former Director of the Joint IED Defeat Organization