In June, 1996 – Public Manager, College for Public Administration. Thesis: Regulatory framework of civil aviation.
In December, 1999 – Doctor of Jurisprudence, Faculty of Law and Political Sciences at the ELTE University. Thesis: Harmonization of the EU civil aviation regulations.
In September, 2002 – Master of Air and Space Law, International Institute of Air and Space Law at the Leiden University (IIASL). Thesis: Legal framework and challenges of airline alliances.
In January, 2017 – Passed Bar Exam.
From 2015 to 2018 – Ph.D., Doctor of Philosophy, Faculty of Law and Political Sciences at the Eötvös Loránd University (ELTE) (Budapest). Thesis: The multilateral and unilateral role in civil aviation. Create unity and its illusion.
From 2008 to present – Honorary Professor, Faculty of Law and Political Sciences at the Eötvös Loránd University (ELTE).
From January, 1990 to January, 1993 – Flight Operation Officer, Crew manager, Flight Department at Malév Hungarian Airlines.
From January, 1997 to January, 1998 – Legal Advisor, Legal and Administration Department at Malév Hungarian Airlines.
From February, 1998 to March, 2000 – Advisor, International and Commercial Affairs Department at Malév Hungarian Airlines.
From April, 2000 to August, 2001 – Chief Advisor, to COO at Malév Hungarian Airlines.
From September, 2001 to June, 2003 – Senior Advisor, to CEO at Malév Hungarian Airlines.
From July, 2003 to October, 2004 – Legal Director at Malév Hungarian Airlines.
From November, 2004 to December, 2007 – Representative on the Council of ICAO, International Civil Aviation Organization (ICAO).
From 2006 to 2007 – Vice-President on the Council of ICAO.
From February, 2008 to September, 2010 – Legal Director and Alliance Director at HungaroControl – Air Navigation Services Ltd. Co.
From October, 2010 to September, 2014 – Senior Chief Advisor, to CEO at HungaroControl – Air Navigation Services Ltd. Co.
From August, 2018 – to present – Bar Association Advisor, Aviation lawyer – HM EI Ltd. Co. – Aviation Division.
Attila Sipos is a Committee member of the European Air Law Association (EALA) since 2004 and Committee member at Space Law Committee of the International Law Association (ILA) since 2020.
Researcher of the University of Public Service – Outer Space and Social Sciences Research Group.
He took part as a delegate in the 7th St. Petersburg Air Law Conference (2017), in the 8th St. Petersburg Air Law Conference (2018) and in the 9th St. Petresburg Air Law Conference (2019).