Alkis Kalliakmanis is an Orthopedic Surgeon specializing in Sports Injuries, small and large joint arthroscopy, regenerative biological therapies and knee-hip arthroplasty. Mr. Kalliakmanis has focused his postgraduate training in Sports Medicine with the main scientific subject of diagnosis and prevention of sports injuries, arthroscopic surgery of the shoulder, hip, knee and ankle as well as total knee and hip arthroplasty. He is a graduate of the Medical School of the National and Kapodistrian University of Athens. He began and completed his specialization in Orthopaedics, at the 2nd University Orthopaedic Clinic of the Regional Hospital "Agia Olga" of Nea Ionia, (2002-2006) where, among other things, he specialized in knee and hip arthroplasty, in the surgical treatment of fractures, in chronic orthopedic diseases, while he also had his first training for 4 years in arthroscopic surgery and in the research arthroscopic approach to the reconstruction of the anterior cruciate ligament of the knee under the direction and supervision of Professor Mr. G. Papachristou.

As part of his specialty, he specialized for an additional year in Pediatric Orthopedics at Agia Sophia Children's Hospital, while he also specialized in the Hand Limb Clinic at KAT Hospital for one semester.

• Mr. Kalliakmanis is an excellent student. PhD from the National and Kapodistrian University of Athens on the topic of the Doctoral Thesis: "Study of Graft Fixation in Anterior Cruciate Ligament Reconstruction Surgery of the Knee. Experimental Study". (Athens Jan. 2008).

He has been a scholar of the Ant. Papadakis Endowment (National and Kapodistrian University of Athens) as well as of the Department of Sports Injuries of the Athens Medical Center under the Direction of Mr. P. Nikolaou, one of the leading Sports Physicians in Greece and Europe, from where he received additional specialized training in arthroscopic techniques and in the treatment of injuries in athletes.

• After the end of the scholarship, he continued to work as an Associate in the Sports Injuries Clinic under the Direction of Mr. Pantelis Nikolaou at the Athens Medical Center, specializing in knee, hip, shoulder, and ankle injuries, from 2006 to 2017.
• He served as the Doctor of the AEK Football Department from December 2008 to 2019, offering his medical services and knowledge.
• He was trained in Hip Arthroscopy as Visiting Doctor at ICATME (Catalan Institute of Traumatology of Sports Medicine) attached to Instituto Universitario Quiron-Dexeus, Barcelona, Spain (13-24 June 2016).
• He is the owner of FIFA Diploma in Football Medicine (as of August 2017).
• He has attended and successfully completed a 4-month postgraduate course at Barca Innovation Hub Universitas – Certificate in Team Sports Physician, Essential Concepts (June 2019).

Mr. Kalliakmanis has served as a member of Organizing Committees as well as a Speaker at Round Tables at Conferences on the topic of Sports Injuries, while he has been awarded 3 times for oral presentations and publications in Greece and abroad.

In 2011 he received an honorary distinction from the internationally renowned American scientific journal Journal of Arthroscopy for scientific work that was published and was among the 20 “most – cited" scientific articles worldwide and concerned meniscus suturing with simultaneous anterior cruciate ligamentoplasty.

He has publications in Scientific Journals abroad on topics mainly related to Sports Injuries and Arthroscopic Surgery, while he has more than 150 oral and published communications in Greece and abroad.

He has collaborated with the University of Patras on research and innovative technologies on issues of Sports Injuries.

• He successfully organized two consecutive scientific events in collaboration with AEK FC (2018 and 2019) on the topics of muscle strains and the treatment of the Anterior Cruciate Ligament rupture, respectively, with the international participation of leading speakers from leading clubs and organizations such as Barcelona FC, Isokinetic, ECOSEP.
• He served as President of the International Organizing Committee of the 7^th ECOSEP Sports Medicine Congress, organized in Athens, November (19-20) 2021, with the participation of 450 participants from all over the world (in person).

He is a member of many scientific societies such as:

• Hellenic Society of Surgery, Orthopaedics & Traumatology (HESSOT)
• Hellenic Arthroscopic Society (EAE)
• European Society of Sports Traumatology, Knee Surgery and Arthroscopy (ESSKA)
• American Academy of Orthopedic Surgeons (AAOS)
• International Society of Arthroscopy, Knee Surgery and Orthopedic Sports Medicine (ISAKOS)
• European College of Sports and Exercise Physicians (ECOSEP), member of the Board of Directors.