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Andreas Kravvaritis has a diverse work experience in the telecommunications industry. Andreas started their career as a Technical Trainer at Eurocom Expertise, where they provided training on Ericsson products in fixed and mobile telephony to Intracom's customers in Greece and South East Europe from an unknown date in 1996 until 1998.

In 1999, Andreas became a Training Consultant for Ericsson products as a self-employed freelancer. Andreas delivered training courses on the AXE10 digital switch to Ericsson's customers at various locations, including Ericsson's training center in Stockholm, until November 1999.

Andreas then joined Ericsson as a Senior Services Engineer and Team Leader from December 1999 until June 2001. In this role, they provided technical support and leadership for Ericsson's customers in Greece, Cyprus, Albania, and Malta for the Radio Access (RAN) and Wireline (WRL) domains.

From July 2001 to January 2007, Andreas served as the Department Manager for Customer Support & Integration at Ericsson. Andreas was responsible for supporting Ericsson Hellas customers in Greece, Cyprus, Albania, and Malta in the areas of customer support, network rollout, auditing/optimization, and technical consulting. Andreas also managed a team of 18 direct reports.

Andreas then transitioned to the role of Services Account Manager for OTE, a major telecommunications provider in Greece, from February 2007 to March 2011. Andreas continued to support OTE as a Services & OSS/BSS Account Manager from March 2011 to February 2012.

Subsequently, Andreas joined TELEDROM S.A. in June 2012 as a Training Consultant. Andreas focused on delivering training courses on Ericsson products, particularly in the areas of IMS, EPC, and VoLTE. Andreas conducted these courses at Ericsson's training centers and various customer locations until November 2014.

Finally, since December 2014, Andreas has been working as a Senior Account Manager at Uni Systems. Details regarding the specific responsibilities and duration of this role are not provided.

Andreas Kravvaritis has a diverse educational background. In 1987, they began their undergraduate studies at Ethnikon kai Kapodistriakon Panepistimion Athinon, where they pursued a Bachelor of Science degree in Physics. Andreas successfully completed their undergraduate studies in 1992.

Following their undergraduate degree, from 1993 to 1994, Andreas enrolled in a Master of Science program at Heriot-Watt University. During this period, they focused on the field of Optoelectronic & Laser Devices.

Later on, in 2003, Andreas attended the National Technical University of Athens to pursue their Master of Business Administration (MBA) degree. However, no specific field of study is provided.

Andreas Kravvaritis has demonstrated a commitment to expanding their knowledge and skills in both the technical and business domains through their educational pursuits.