• Clinical Fellow in Endocrine Surgery, Πανεπιστημιακή Χειρουργική Κλινική, Uni-Klinikum Kroellwitz, Πανεπιστήμιο Halle, Γερμανία, 2006
• Εντατικά μαθήματα στην λαπαροσκοπική Χειρουργική , (European Institute of Telesurgery) – Professor J.Marescaux, Strasbourg, 2003
• Ειδικότητα Γενικής Χειρουργικής – ΓΝΑ Γ.Γεννηματάς – Γ’ Χειρουργική Κλινική – Διευθυντής: Γ. Παπαστρατής, 2000-2005

Εξειδίκευση και ερευνητικό ενδιαφέρον:

Καρκίνος θυρεοειδούς, διεγχειρητική νευροπαρακολούθηση, πρωτοπαθής υπερπαραθυρεοειδισμός (αδένωμα/υπερπλασία παραθυρεοειδούς), κύστη θυρεογλωσσικού πόρου, νοσήματα επινεφριδίων

• Fellow of the Division of Endocrine Surgery, Specialty Certification in Endocrine Surgery, Fellow of the European Board of Surgery (FEBS), Endocrine Surgery, European Board of Surgery Qualification (EBSQ/UEMS).
• Clinical Fellowship in Endocrine Surgery, February 2006 – November 2006, University of Halle (Germany), Κlinikum Kröllwitz, Department of General,Visceral and Vascular Surgery Chairman: Prof. H. Dralle , MD, FRCS         
• 4th International Postgraduate Course: Intraoperative Neuromonitoring in Thyroid Surgery (University of Halle), Prof. Dr. Henning Dralle, 2008

• Μέλος του Ιατρικού Συλλογου Αθηνών
• Μέλος της Ελληνικής Χειρουργικής Εταιρείας
• Μέλος της European Society of Endocrine Surgerons(ESES)
• Μέλος της Ελληνικής Εταιρείας Χειρουργικής Ενδοκρινών Αδένων (EEXEA)
• Γενικός Γραμματέας της Ελληνικής Εταιρείας Χειρουργικής Ενδοκρινών Αδένων (2016-2017).

Δημοσιεύσεις σε διεθνή περιοδικά:

• Two stage thyroidectomy in the era of intraoperative neuromonitoring C. Christoforides1, I. Papandrikos1, G. Polyzois2, N. Roukounakis3, G. Dionigi4, K. Vamvakidis1 Gland Surgery, Publish ahead of print

• Antibiotic prophylaxis for clean neck surgery. Vamvakidis K, Rellos K, Tsourma M, Christoforides C, Anastasiou E, Zorbas KA, Arambatzi A, Falagas ME. Ann R Coll Surg Engl. 2017 May;99(5):410-412. doi: 10.1308/rcsann.2017.0041.

• Prospective study of vocal fold function after loss of the neuromonitoring signal in thyroid surgery: The International Neural Monitoring Study Group's POLT study. Schneider R, Randolph G, Dionigi G, Barczyński M, Chiang FY, Triponez F,Vamvakidis K, Brauckhoff K, Musholt TJ, Almquist M, Innaro N, Jimenez-Garcia A, Kraimps JL, Miyauchi A, Wojtczak B, Donatini G, Lombardi D, Müller U, Pezzullo L, Ratia T, Van Slycke S, Nguyen Thanh P, Lorenz K, Sekulla C, Machens A, Dralle H. Laryngoscope. 2016 May;126(5):1260-6. doi: 10.1002/lary.25807. Epub 2015 Dec 15.

• Revision in thyroid surgery Vamvakidis K., Christoforides C., Zografos G.N. Hellenic Journal of Surgery. January 2015, Volume 87, Issue 1, pp 71–73

• Surgical treatment of anaplastic thyroid cancer Vamvakidis K., Christoforides C., Zografos G.N Hellenic Journal of Surgery. January 2015, Volume 87, Issue 1, pp 63–66

• Management of primary thyroid lymphoma Vamvakidis K., Christoforides C., Zografos G.N Hellenic Journal of Surgery. January 2015, Volume 87, Issue 1, pp 67–70

• Coexistence of paget disease of bone and primary hyperparathyroidism; a diagnostic challenge. Stathopoulos IP, Trovas G, Lampropoulou-Adamidou K, Benetos IS, Vamvakidis K, Vlachodimitropoulos D, Chronopoulos E, Papaioannou NA. J Musculoskelet Neuronal Interact. 2013 Jun;13(2):255-8; 

• Pattern of adrenal hormonal secretion in patients with adrenal adenomas: the relevance of aldosterone in arterial hypertension. Pappa T, Papanastasiou L, Kaltsas G, Markou A, Tsounas P, Androulakis I, Tsiavos V, Zografos G, Vamvakidis K, Samara C, Piaditis G. J Clin Endocrinol Metab. 2012 Apr;97(4):E537-45. doi: 10.1210/jc.2011-2874. Epub 2012 Feb 8.

• High prevalence of autonomous aldosterone secretion among patients with essential hypertension. Gouli A, Kaltsas G, Tzonou A, Markou A, Androulakis II, Ragkou D, Vamvakidis K, Zografos G, Kontogeorgos G, Chrousos GP, Piaditis G. Eur J Clin Invest. 2011 Nov;41(11):1227-36. doi: 10.1111/j.1365-2362.2011.02531.x. Epub 2011 May 3.

• High prevalence of autonomous cortisol and aldosterone secretion from adrenal adenomas. Piaditis GP, Kaltsas GA, Androulakis II, Gouli A, Makras P, Papadogias D, Dimitriou K, Ragkou D, Markou A, Vamvakidis K, Zografos G, Chrousos G. Clin Endocrinol (Oxf). 2009 Dec;71(6):772-8. doi: 10.1111/j.1365-2265.2009.03551.x. Epub 2009 Feb 18.

• A unique case of a benign adrenocortical tumor with triple secretion of cortisol, androgens, and aldosterone: development of multiple sclerosis after surgical removal of the tumor. Markou A, Tsigou K, Papadogias D, Kossyvakis K, Vamvakidis K, Kounadi T, Piaditis G. Hormones (Athens). 2005 Oct-Dec;4(4):226-30.

• Ectopic bioactive luteinizing hormone secretion by a pancreatic endocrine tumor, manifested as luteinized granulosa-thecal cell tumor of the ovaries. Piaditis G, Angellou A, Kontogeorgos G, Mazarakis N, Kounadi T, Kaltsas G, Vamvakidis K, Lloyd RV, Horvath E, Kovacs K. J Clin Endocrinol Metab. 2005 Apr;90(4):2097-103.