Mr. Clack is currently serving as an advisor to the Afghan Ministry of Defense-Finance Office. In this role, Mr. Clack is responsible for ensuring the Afghan National Army budgets, plans, and executes both Government of the Islamic Republic of Afghanistan GIRoA and U.S. funds prudently and effectively. He is also helping to ensure the Afghan National Army conducts payroll operations in a timely manner, while reducing instances of fraud and corruption. Mr. Clack is helping to implement four major automation efforts to support overall stewardship of funds released to the Afghan National Army.

Mr. Clack also has extensive experience as a project/program manager for large corporate finance transformation projects. Examples of these projects include: global shared services migration projects; global finance systems selections and implementation projects, and global Sarbanes-Oxley compliance projects. Mr. Clack began his career as a Cost and Management Analysis Officer in the United States Air Force, and has served as a Budget Officer, Logistician, Comptroller, and Squadron Commander. During the first Gulf War, Mr. Clack was the deputy for the agency charged with moving War Readiness Materials (WRM) based in Oman to over 33 bare base locations in the theater. At the conclusion of the conflict, Mr. Clack wrote the plan to return serviceable items back to storage throughout the Gulf Region. Mr. Clack is a GE Six Sigma Black Belt, and a Member of the American Society of Military Comptrollers.