Graduate of the Medical University of Warsaw; he continued his studies at the University of South Carolina, USA. He also worked at the Health and Human Services Finance Commission, which gave him insight into how the US health care system works.
After returning to Poland, he worked as an academic assistant at the University Hospital of the Medical University of Warsaw in the Department of Vascular and Transplant Surgery. After completing his speciality training in general surgery, he began working at the First Department of Cardiac Surgery at the Institute of Cardiology in Warsaw, where he completed his second-degree speciality training in cardiac surgery. He also earned a doctorate in medicine and his work was recognized by the Scientific Council of the Institute of Cardiology and won a prize from the Foundation for Polish Science. He is an author and co-author of numerous publications and speeches at medical congresses. For several years, he served as secretary of the Club of Polish Cardiac Surgeons.
He is a member of the European Society of Cardiology and a Founding Member of the Polish Society of Cardiothoracic Surgeons and a Member of the Polish Cardiac Society.
During his time in the US, he also became interested in business and founded his first company there in 1991. In 2005, he led the establishment of his first medical company in Poland, Allenort Kardiologia Sp. z o.o., which commenced its operations in 2005 and has contributed to the establishment of a chain of interventional cardiology and cardiac surgery departments (Allenort Cardiology), the second largest cardiology medical company in Europe, operating nationwide. These centres have been successfully carrying out their medical tasks while taking advantage of the LIFENET system.
In 2015, he founded the Allenort Capital Fund, which aims to conduct investment activities focused on the medical industry and advanced IT technologies.
He was also the founder and first chairperson of the Polish Union of Specialist Hospitals, an organization affiliated with the Confederation of Employers Lewiatan.
He also served on the Supervisory Board of Towarzystwo Funduszy Inwestycyjnych [Investment Fund Company] ORIGIN S.A.
In 2017, he was the originator and founder of a psychiatric project that established Poland’s first private full-service psychiatric hospital and outpatient department chain for comprehensive psychiatric treatment and care. At the 2018 Medforum Psychiatry Congress, he received the Golden Synapse, a prestigious award given at the contest of the Medforum Psychiatry Congress, in the category of Psychiatric Innovation of the Year, for creating and running the psychiatric project, the “Allenort Therapy Clinic.” Allenort was recognized for being the most interesting organizational solution in psychiatric care in Poland.
The establishment of the cardiological, radio-surgical Gamma Knife, and psychiatric projects by the Allenort Capital fund he manages has significantly impacted the architecture of health care in Poland and the projects have been successfully embedded in the health care system. The Allenort Fund is currently preparing for new medical projects in other specialities.
Other activities of Grzegorz Goryszewski extend beyond medicine and include investment projects in Western Europe and the US. A major apartment and hotel development project at the coast of the Baltic Sea in Gdynia is also currently underway under his leadership, significantly changing urban architecture in the city’s most key and prestigious location of Skwer Kościuszki.