13 things about Berkeley, California professor Przemyslaw Jeziorski

Przemysław “Przemek” Jeziorski lived in a $830,000 one-bedroom, one-bathroom high-rise condo in San Francisco, California, United States. He was originally from Gdynia, Poland.

BIOGRAPHY

Jeziorski was a Polish professor born in Poland. He is Lukaz Jeziorski‘s older brother.

Przemek’s two children are citizens of the U.S. and Poland. Here are 13 more things about him:

1. He was born in Poland.
2. His former wife Nadia Michelidaki is Greek.
3. He and Michelidaki have two children together.
4. From 2001 to 2004, he attended the SGH Warsaw School Economics in Warsaw, Poland where he earned his bachelor’s and master’s degrees in quantitative methods and information systems.
5. From 2004 to 2006, he attended the University of Arizona‘s Eller College of Management in Tucson, Arizona, USA where he earned his master’s degree in economics.
6. From 2006 to 2010, he attended Stanford University Graduate School of Business in Stanford, California where he earned his PhD in economics.
7. From 2008 to 2009, he was a price theory scholar at the University of Chicago Booth School of Business in Chicago, Illinois, USA.
8. From 2010 to 2012, he was an assistant professor of economics at John Hopkins University in Baltimore, Maryland, USA.
9. In 2012, he became a professor at the University of California, Berkeley’s Haas School of Business in Berkeley, California.
10. In 2014, he married Michelidaki.
11. In 2015, Michelidaki gave birth to their twin children Angelo Jeziorski and Zoe Jeziorski.
12. In 2021, he was a visiting scholar at The Fuqua School of Business of Duke University in Durham, North Carolina, USA and he filed for divorce against Michelidaki.
13. In 2025, he died at age 43.

TIMELINE

Przemek spoke Polish, English and German. He was  an expert in quantitative marketing, industrial organization and the economics of digital markets.

2000s

• In June 2008, he joined Microsoft as a researcher.

2010s

• In June 2010, he left Microsoft and started teaching at Johns Hopkins University.
• In January 2012, he left Johns Hopkins University and joined the Haas School of Business as an assistant professor of marketing.
• In December 2015, he and Michelidaki co-founded Keybee, a rental property management in the San Francisco Bay Area of California.
• In August 2016, he joined Management Science as an associate editor.

2020s

• From September 2021 to December 2021, he was a Duke University scholar.
• In May 2025, he sought a domestic violence restraining order in San Francisco against Michelidaki, accusing her of threatening him and her boyfriend Christos Dounias (Χρήστος Δούνιας) of assaulting him twice.
• On July 4, 2025, as he was walking to Michelidaki’s residence in Agia Paraskevi, Athens, Greece to see their children, he was fatally shot five times in the chest and back allegedly by Dounias, who allegedly followed Michelidaki’s orders.