Nicholas is a measurement, learning, and evaluation (MLE) specialist who supports federal agencies, international organizations, and private foundations to improve public well-being through applied research and strategic learning. His focus areas include qualitative methods and non-experimental evaluation approaches, and he has expertise in the global health, governance, and energy sectors.
Since joining Mathematica in 2022, Bader has supported study design, analysis, and dissemination of learning products for several globally-focused initiatives. Under the Inclusive Development Activity for Mission Support (IDAMS) mechanism, he co-led an Inclusive Development Analysis (IDA) in the Democratic Republic of the Congo to support USAID/DRC in identifying and addressing barriers to social, economic, and civic inclusion among traditionally marginalized groups. He also contributed to a comprehensive review of the Bill & Melinda Gates Foundation's family planning investment strategy in Indonesia, using a theory-based contribution analysis framework to evaluate the strategy's contraceptive supply chain strengthening investments. Bader has applied his qualitative methods expertise to support process- and outcome-oriented evaluations in the energy sector, including for two projects under the Millennium Challenge Corporation's Benin Power Compact. In a previous role, he participated in the pilot and subsequent scale-up of the Community Generated Indicators (CGI) participatory evaluation approach under the USAID Peace through Evaluation Learning and Adapting Activity (PELA) mechanism.
Prior to joining Mathematica, Bader worked at Opinion Research Business (ORB) International, where he led several strategic assessments of USAID’s peacebuilding, stabilization, and governance initiatives in West Africa. He holds a master’s degree in Measurement and Evaluation from American University and a master’s degree in French and Francophone Studies from the University of Virginia. Bader is proficient in French, having lived in France and worked extensively across francophone West and Central Africa.