Research

NJ

Nathan Jefferson

Senior Associate, Research
Nathan Jefferson is a senior associate on the research team at the Milken Institute. In this role, he contributes to the Institute’s research on regional economics and international finance.
Image
Smiling medium-skinned, male-presenting individual with short dark hair wearing a suit

William Lee

Chief Economist
William (Bill) Lee is chief economist at the Milken Institute. He leads the Institute’s effort to develop collaborative policies to improve access to and the functioning of capital markets, strengthen financial stability and the soundness of financial institutions, and foster global macroeconomic, financial, and regulatory conditions to bolster job creation.
Image
Smiling light-skinned, male-presenting individual with short dark hair wearing a dark shirt.

Brock Smith

Associate Director, Research
Brock Smith, PhD, is an associate director on the research team at the Milken Institute. His research has focused on environmental economics and natural resource economics, particularly the economic and social effects of natural resource booms.
Image
A smiling female-presenting person with dark brown hair against an open room backdrop

Leilani Jimenez

Senior Associate, Research
Leilani Jimenez is a senior associate with the Research Department at the Milken Institute. In this role, she supports the department's research portfolio in health economics, regional economics, and international finance.
Image
Male-presenting individual of Asian heritage wearing a dark suit against a gray background

Bumyang Kim

Associate Director, Health Economics
Bumyang Kim is an associate director of research at the Milken Institute Health. He specializes in data-driven, evidence-based quantitative research that applies real-world data analytics to the healthcare delivery system.
Image
Smiling female-presenting individual with dark brown hair against a gray background

Katherine Sacks

Associate Director, Health Economics
Katherine Sacks is an associate director in health economics on the research team at the Milken Institute. Her research concerns health equity, health disparities, and the social determinants of health, focusing particularly on adverse maternal birth outcomes, as well as the effects of the social safety net on measures of population health.
Image
Woman with light brown hair smiling, wearing a pink blouse against a neutral background

Maggie Switek, PhD

Senior Director, Research
Maggie Switek, PhD, is a senior director on the research team at the Milken Institute. She heads all projects related to economic growth and opportunities across regions and communities in the US and abroad.
Image
Smiling light-skinned, male-presenting individual with short dark hair wearing a dark suit in front of a window

Andrew Friedson

Director, Health Economics
Andrew Friedson, PhD, is the head of research for the Milken Institute Health. He is a health economist with expertise in health care and related sectors.