• Undergraduate studies in Human medicine of University of Ioannina (Medical Doctor, MD).
• Training in internal Medicine in Greece (Thesprotia and Ioannina, Greece), work as rural doctor and Internship in Internal Medicine in Region of Epirus, Greece.
• Training / Internship in Endocrinology and Diabetology in University Hospital Heinrich Heine, one of the biggest University Hospitals in Germany and highly specialized healthcare facility, that provides advanced medical care in endocrinology and referral Center for Diabetes. 
• Training in Intensive Care Unit of evangelical hospital Mettmann incl. endocrinological emergencies, a secondary hospital affiliated with University of Duisburg -–Essen, Germany. 
• PhD (Doctor of Philoshophy) awarded from University of Ioannina after completing original research in the field of cardiovascular endocrinology.
• Research associate in german Diabetes Center (Deutsches Diabetes-Zentrum, DDZ, a leading research institution in Germany focused on diabetes research and public health, located in Duesseldorf, with a critical role in understanding the causes, treatment, and prevention of diabetes.
• Lectures - seminars and practical sessions for undergraduate students in University Clinic Duesseldorf in the field of diabetic foot syndrome and participation in practical exams.
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Endocrinologist and Diabetologist Consultant for almost 4 years in Medical Center (Medizinisches Versorgungszentrum, MVZ) in Duesseldorf and Essen, Germany, focusing on the field of endocrinology. 

Special emphasis on patient education and support for lifestyle changes, particularly for conditions like diabetes (Diabetes management program, DMP).

• Thyroid ultrasound, medical council Nordrhein Westphalia. 
• Advanced Life support, ALS, british medical council
• Certified for psychosomatic medicine (CME, continuous medical education) emphasizes an interdisciplinary approach, often involving collaboration with psychologists, psychiatrists, and other specialists to provide holistic care to patients.
• German Board certified Diabetologist and Endocrinologist

1. Zaharia OP, Antoniou S, Bobrov P, Karusheva Y, Bódis K, Kupriyanova Y, Schrauwen-Hinderling V, Gastaldelli A, Szendroedi J, Wagner R, Burkart V, Roden M; GDS Group. Reduced Insulin Clearance Differently Relates to Increased Liver Lipid Content and Worse Glycemic Control in Recent-Onset Type 2 and Type 1 Diabetes. Diabetes Care. 2023 Dec 1;46(12):2232-2239. 
2. Pamu D, Garikapati KK, Kuppusamy G, Antoniou S et al. Electrospun statin-loaded nanofibers for treating diabetic wounds. Polym Eng Sci. 2024; 64(4): 1715-1730. 
3. Relationship between Indices of Vascular Function and Presence of Overt Cardiovascular Disease among Persons with Poorly Controlled Type 2 Diabetes. 
4. Antoniou S, Naka KK, Papadakis M, Bechlioulis A, Makriyiannis D, Tsatsoulis A, Michalis LK, Tigas S.J Cardiovasc Dev Dis. 2021 Dec 14;8(12):185.  
5. Vascular effects following intensification of glycemic control in poorly controlled patients with long-standing type 2 diabetes mellitus. 
6. Antoniou S, Naka KK, Bechlioulis A, Papadakis M, Tsatsoulis A, Michalis LK, Tigas S.Hormones (Athens). 2021 Dec;20(4):783-791.  
7. Effect of glycemic control on markers of subclinical atherosclerosis in patients with type 2 diabetes mellitus: A review. 
8. Antoniou S, Naka KK, Papadakis M, Bechlioulis A, Tsatsoulis A, Michalis LK, Tigas S.World J Diabetes. 2021 Nov 15;12(11):1856-1874 
9. Association of vascular indices with novel circulating biomarkers as prognostic factors for cardiovascular complications in patients with type 2 diabetes mellitus. 
10. Naka KK, Papathanassiou K, Bechlioulis A, Pappas K, Tigas S, Makriyiannis D, Antoniou S, Kazakos N, Margeli A, Papassotiriou I, Tsatsoulis A, Michalis LK. 
11. Risk of diabetes-associated diseases in subgroups of patients with recent-onset diabetes: a 5-year follow-up study. 
12. Zaharia OP, Strassburger K, Strom A, Bönhof GJ, Karusheva Y, Antoniou S, Bódis K, Markgraf DF, Burkart V, Müssig K, Hwang JH, Asplund O, Groop L, Ahlqvist E, Seissler J, Nawroth P, Kopf S, Schmid SM, Stumvoll M, Pfeiffer AFH, Kabisch S, Tselmin S, Häring HU, Ziegler D, Kuss O, Szendroedi J, Roden M; German Diabetes Study Group. Lancet Diabetes Endocrinol. 2019 Sep;7(9):684-694.  
13. Metabolic Factors Predict Changes in Endothelial Function During the Early Course of Type 1 and Type 2 Diabetes. 
14. Zaharia OP, Schön M, Löffler L, Strassburger K, Möser C, Yurchenko I, Bódis K, Antoniou S, Karusheva Y, Szendroedi J, Burkart V, Roden M.J Clin Endocrinol Metab. 2022 Sep 28;107(10):e4167-e4176 
15. Late-onset hypophysitis after discontinuation of nivolumab treatment for advanced skin melanoma: a case report. 
16. Antoniou S, Bazazo G, Röckl L, Papadakis M, Berg C.BMC Endocr Disord. 2021 Sep 20;21(1):191. doi: 10.1186/s12902-021-00854-y.PMID: 34544399 Free PMC article. 
17. Follow up of MRI bone marrow edema in the treated diabetic Charcot foot - a review of patient charts. 
18. Chantelau EA, Antoniou S, Zweck B, Haage P.Diabet Foot Ankle. 2018 Apr 26;9(1):1466611. 

• Member of German Society of endocrinology 
• Member of Greek Society of endocrinology and diabetology
• Registered endocrinologist in North Rhine-Westphalia (NRW)