Maryanne Hancock

Chief Executive Officer

Maryanne is the Chief Executive Officer of Y Analytics, where she leads the organization in its strategy, development, and growth.  Previously, Maryanne spent 20 years at McKinsey and Company, where she was a Senior Partner.  Among her several leadership roles, Maryanne co-founded McKinsey’s K-12 education practice in the U.S. and served several poverty alleviation non-profits, including CARE.  Maryanne holds a BA with Honors and MA in Foreign Affairs from the University of Virginia and a JD magna cum laude from Harvard Law School.

Greg Fischer

Chief Economist

Greg is the Chief Economist at Y Analytics, where he determines research direction and oversees the development and implementation of impact underwriting and assessment methodologies.  Greg also serves as an Assistant Professor at the London School of Economics, where his research combines economic theory, field experiments, and modern statistical analysis to understand how economic development works and how it can work better. His work spans entrepreneurship, access to health and finance, and how firms function, with a particular focus on building evidence for more effective decision making.  Greg earned his Ph.D. in Economics from the Massachusetts Institute of Technology.  Prior to that he worked at the World Bank and in private equity at Centre Partners and Morgan Stanley.  He graduated from Princeton summa cum laude in Economics.

Diane Mak

Senior Director of Impact Solutions

Diane Mak is the Senior Director of Impact Solutions at Y Analytics, where she oversees work in helping investors make more effective, evidence-based decisions around allocating capital to drive measurable impact.  Previously, Diane was Director of International Development at Social Finance, where she focused on structuring results-based financing mechanisms to address development challenges. Diane also worked in the investment banking division of Citi, with a focus on the consumer and retail sector. Diane holds a BA in Economics from Cambridge University, MPA in International Development from Harvard Kennedy School, and is an AsiaGlobal Fellow of the University of Hong Kong.

Talia Alexander

Executive Assistant

Amy Dingler

Chief of Staff

Liliana Olarte


Caroline Pringle


Himanshu Satija


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