About Us


John Johnson
Senior Director
Room 4490, Global Hub

John joined Kellogg in 2016. He has served in numerous roles at the intersection of economics, mathematical modeling, and technology, including most recently as the founding director of the Research Support unit at the Stanford Graduate School of Business. His areas of expertise include novel data collection, text-based data transformation and analysis, large scale data systems, design thinking, and talent development.

As Senior Director, he oversees the entire Research Support unit at Kellogg, including the ongoing development of new capabilities and services that the team offers. John earned an MA (ABD) in Economics from Stanford University.
Yekaterina Sigalova
Yekaterina (Sigalova) Baker
Associate Director
Room 3230, Jacobs Center

Kat joined the team in 2017 to lead behavioral research support for Kellogg. Kat has several years' of behavioral research experience, including roles in regulatory affairs and Institutional Review Board (IRB) administration. Her areas of expertise include systemic change management, process improvement, and human research protections.

As Associate Director, she leads our efforts to improve and expand support for experimental research at Kellogg. This includes increasing subject pool volume and diversity, improving efficiency and effectiveness of lab operations, and ensuring compliance with federal and institutional research regulations.

Kat earned a BS in Human Development and Psychological Services followed by a MA in Counseling Psychology, both from Northwestern University.
 Mac updated Mac Abruzzo
Behavioral Lab Manager
Room 3231, Jacobs Center

Mac joined Kellogg in 2017. As Behavioral Lab Manager, he provides logistical support for online and in-person behavioral research conducted at Kellogg. Mac partners with Kellogg behavioral research faculty and graduate students to develop and deploy behavioral experiments using innovative approaches and software platforms such as Inquisit, z-Tree/o-Tree, PsychoPy, and many more. Following experimental execution, Mac assists with data management, analysis, and financial operations.

Mac earned a BA in Psychology from Stanford University. His research interests are in the fields of intergroup communication and conflict.
Luiza Santos
Behavioral Research Fellow
Room 3237A, Jacobs Center

Luiza joined Kellogg in 2017. She works closely with Kellogg faculty and graduate students to implement behavioral research projects, both In-Lab and Online. She supports experimental design, survey development, study deployment, participant recruitment, data analysis, and more.

Luiza earned a  BA in Psychology from Swarthmore College. Broadly, she is interested in studying intergroup relations, social norms, and moral cognition.

Paul Deutchman
Behavioral Research Fellow
Room 3237A, Jacobs Center

Paul joined Kellogg in 2017. He works closely with Kellogg faculty and graduate students to implement behavioral research projects, both In-Lab and Online. Paul supports experimental design, survey development, study deployment, participant recruitment, data analysis, and more.

Paul earned a  BA in Psychology from Skidmore College. His research interests include cooperation, self-deception, and inequality & power.

Jie (Jay) Cao
Senior Research Associate
Room 3229, Jacobs Center

Jie (Jay) Cao joined Kellogg in 2015. As Senior Research Associate, he works to manage and document research data and consult on software packages for statistical and numerical analysis.

Jay earned his PhD in Economics from the University of Toronto. His research interests are in the fields of macroeconomics, growth and development, and labor.

  Richard Williams
Senior Computational Research Consultant
Room 3228, Jacobs Center

Richard joined Kellogg in 2017. As a Senior Computational Research Consultant, he utilizes his computational and technological expertise to accelerate and advance academic research at Northwestern University’s Kellogg School of Management.

Richard earned a dual BS degree in Biological Sciences and Psychology from Louisiana State University and a PhD in Computational Neuroscience from the University of Chicago.

Maja Kos
Senior Academic Editor and Translation Manager
Room 3227B, Jacobs Center

Maja Kos joined Kellogg in 2003. As Senior Academic Editor and Translation Manager, she provides editing support to tenure-line faculty. She also serves as the copy editor for Kellogg Insight and manages the translation of Insight articles for a global audience.

In addition to her work at Kellogg, Maja is a freelance editor and translator, specializing in the fields of medicine and economics. Her working languages include English, Croatian, and French.

Maja earned her BA in French Language and Literature from Boston College. During her undergraduate studies, she spent one year at the Sorbonne Nouvelle in Paris. She earned her MA in French Translation from the Middlebury Institute of International Studies at Monterey.
Frank Limbrock
Senior Research Associate
Room 3495, Global Hub

Frank Limbrock joined Kellogg in 2010. He is an applied microeconomist whose research focuses on health economics and industrial organization. His recent projects have examined the role of non-pecuniary incentives in prescription-drug choice and substitution between branded and generic drugs. Frank holds a PhD in Economics from Yale University, an MSc from the London School of Economics, and a Diploma from the University of Cologne.
Julissa Cruz
Database Acquisition Manager
Room 3227A, Jacobs Center

Julissa joined Kellogg in 2017. Her background is in higher education research support and administration with expertise in using data to inform strategy, improving operational processes, and building data capacity in others. As Data Acquisition Manager, she manages and helps guide the strategic evolution of Kellogg’s portfolio of approximately 100 commercial data sources used for academic research and she helps the research community work with these datasets effectively.

Julissa earned a BA in Sociology from Loyola University Chicago and an MA in Sociology from Bowling Green State University. Her research interests include family demography and inequality.