• Presented a keynote talk during the 3rd Academic Geriatri 2011 Congress. 25-29 May, 2011 Cornelia Diamond Convention Center Antalya, Turkey. Title of the Keynote Lecture: "Developments in AntiAging Medicine"

• Presented a keynote talk during the 3rd ANTIAGING CONGRESS-Turkey. 02-05 December 2011 Rixos Hotel Convention Center Ankara, Turkey. Title of the Keynote Lecture: "Glycoxidative & Lipoxidative Aging".

• Presented a keynote talk during the 6th CMAPSEEC (6th Conference on Medicinal and Aromatic Plants of Southeast European Countries) April 18-22, 2010 Hotel Kervansaray Lara Convention Center Antalya, Turkey. Title of the Keynote Lecture: "The Effects of Olive Polyphenolic Compounds"

• Presented a keynote talk during KORANET, Korean scientific cooperation network with the European Research Area. 01-02 February 2010 in Seoul, Korea. "Diabetes as a model of glycoxidative aging: Potential Medical Remedies by Natural and Synthetic Antioxidants".

• Presented a keynote talk during the 3rd annual HETEX-Health Tourism Fair. 03-05 March 2010 Antalya Convention Centre, Antalya, Turkey. Title of the Keynote Lecture: "Medical-SPA and AntiAging Applications".

• Presented a keynote talk during the 2nd annual ECOPRAM (European Congress on Preventative Regenerative and Aging Medicine). 18-20 March 2010 at the Milan Convention Centre, Italy. Title of the Keynote Lecture: "Oxidative stress related changes in proteins during aging and age-related diseases"

• Presented a keynote talk during the5th PYRAMED (World Congress on Preventive and Regenerative Medicine), 5-7 October 2010 at Convention Centre in Hannover, Germany. Title of the Keynote Lecture: "Advanced Lipoxidation and Glycoxidation in Aging: Therapeutic Prospects for the Inhibitors" 5-7 October 2010 at Convention Centre in Hannover, Germany. Title of the Keynote Lecture: "Advanced Lipoxidation and Glycoxidation in Aging: Therapeutic Prospects for the Inhibitors".

• Presented a plenary talk during the Dubai Congress on Anti-Aging & Aesthetic Medicine 2010. 25-27 October 2010, Dubai United Arab Emirates. Title of Keynote Lecture: "How to Lower Glycoxidative Stress and Reverse Aging"

• Presented a plenary talk during the International Congress on Swiss Academy of Antiaging Medicine; SICAAAM II. 27-29 November 2009 Geneva, Switzerland.  Title of the Keynote Lecture: "Diabetes as a Model of Oxidative aging: Potential Remedies using Anti-oxidants"

• Presented a plenary talk during the International Workshop COST B35, "Redox Regulation of Cellular Stress Response in Aging: Role of Macromolecular Damage". 22-25 October, İzmir, Turkey.  Title of the Keynote Lecture: "Synthetic Antioxidants as Potential Medical Remedies: An Update of the Past Decade of Pyridoindols"

• Presented a plenary talk during the 2nd International Geriatric Physical Therapy Congress. 11-13 November 2009 at the Hacettepe University, Cultural Cener, Ankara, Turkey. Title of the Keynote Lecture: "Antiaging Experiences from Turkey"

• Presented a plenary talk during the 2nd Symposium for Elderly People, Organized by  EGE Geriatry Society. What is AntiAging Medicine? 19-20 March 2009 at the İzmir Açık hava Museum, İzmir, Turkey.