BERKELEY, Calif. — A UC Berkeley professor was shot and killed while in Greece, according to family members.

Przemyslaw Jeziorski was killed outside a home near Athens on July 4 where his ex-wife and two children live.

Jeziorski was reportedly in Greece to attend a child custody hearing.

No arrest has been made in the case.

Jeziorski was a professor at Berkeley’s Haas School of Business for 8 years.

The victim’s brother, Lukasz Jeziorski, wrote on WhyDonate, the European version of GoFundMe, in part:

“Our family is heartbroken, and we are doing everything we can to ensure that justice is served.”

He continued, “Przemek was a devoted father to two young children and a cherished professor at the Haas School of Business at UC Berkeley. He was a prominent expert in marketing science, industrial organization, and data analytics. He had a passion for teaching and loved sharing his insights into the complexities of marketing analytics and marketing science with his students.”

Lukasz said they hope to move Przemyslaw’s remains to Poland.

Lukasz shared on his Facebook page, their father passed away just last month.

Berkeley Haas Dean Jennifer Chatman issued at statement writing:

“We are devastated by the news of Professor Przemyslaw Jeziorski’s sudden and tragic passing. He was a treasured member of our marketing faculty and the Haas community. While authorities work to determine what happened, we are focused on providing support to our community during this challenging time. My thoughts are with Przemek’s family and loved ones. He will be deeply missed.”