On 21st October 2017 Mr. Yannis Varotsos made a presentation on the Online Dispute Resolution (ODR) as an ADR between consumers and providers of goods or services at the Capital+Vision 2017 Congress “Restart of the Greek economy, Investments-Innovation-Development” organized by the German-Hellenic Chamber of Industry and Commerce, the newspaper Kefalaio and the website Capital.gr.

On 26th March 2013 Mr. Yannis Varotsos presented a paper entitled "Principles and rulings of the civil procedure law applicable in the administrative procedure law" at a series of talks organised by the Association of Greek Proceduralists.

On 17th October 2011 Mr. Ioannis Varotsos was the moderator of the session on "Public Real Estate Development. Is this the solution to Greece’s Economic problems?", at the Prodexpo 12th Conference.

On 29th March 2011 Mr. Yannis Varotsos presented a paper entitled "The impact of the ECHR case-law on procedural law" at a series of talks organised by the Association of Greek Proceduralists.

On 21st October 2009 Mr. Yannis Varotsos spoke at the PRODEXPO 2009 Conference about "The Double Regeneration of Votanikos following the Council of State Judgement", an issue relating to the urban regeneration of the Votanikos area and the site of the Panathenaikos Stadium (Alexandras Ave.) in Athens.

On 17th February 2009 Mr. Yannis Varotsos presented together with Mr. Michalis Varotsos the recent changes in national and Community law on public procurement at a business meeting held at the Hellenic-French Chamber of Commerce and Industry in Greece. See pdf

On 24th October 2007 Mr. Yannis Varotsos spoke at the PRODEXPO 2007 Conference about "The transfer of the building coefficient".