Joseph Christoff oversees MSI's education, leadership and organizational development, and strategy, evaluation and analysis sectors. He has over 30 years of experience developing strategies and methods for monitoring and evaluating the effectiveness and impact of government programs. As the prior director of MSI's Institute for Public Accountability, he helped build the evaluation and reporting skills of countries' accountability institutions, including national audit offices and anti-corruption agencies, office that can be the potential enablers of greater accountability and transparency in countries’ public financial management practices. He designed training which was delivered to evaluators and auditors from accountability institutions in Indonesia, Serbia, Mali and the Philippines.

Previously, Joseph was the director of the international affairs and trade team at the U.S. Government Accountability Office, where he managed 120 analysts, economists, lawyers and statisticians. These teams produced over 200 performance evaluations and audits in more than 100 countries that assessed the effectiveness of nearly $1 trillion in U.S. development and security assistance. The reports detailed nearly 200 recommendations for improving government performance and saved the American taxpayer over $2.1 billion. Joseph is a Harvard University Senior Executive Fellow and received a master's degree in public administration from American University in Washington, D.C.