[2] He published the first full-length monograph on the criminal enforcement of competition law with Oxford University Press.

[1] In 2003, following an academic year teaching English in Harbin, China, he completed a master's degree in law at Trinity College Dublin.

[1] He passed the New York Bar Exam in 2005 and then went on to complete a PhD in Law at St John's College, University of Cambridge.

[10] In requesting the Finnish Ministry of Justice to consider the arguments presented in the report, Director General Pekka Timonen of the Ministry of Employment and the Economy Labour and Trade Department stated that the report provided 'the basis for the justification of criminalising cartels and the justified need to do so from the aspect of the judicial system in matters related to competition'.

[28] On two occasions he has delivered written and oral evidence on the enforcement of competition law to the New Zealand Parliament.

[34] He was interviewed by the Verge on the implications of the European Commission's decision in its recent Google Search case[35] and has been featured in the 'Academic Life' section of Jurista Vārds, Latvia's main legal periodical.

[48] For his publication ‘Competition Law and Criminal Justice’, Whelan was shortlisted for a 2019 ‘Antitrust Writing Award’.

[49] For his article ‘Cartel Criminalization and the Challenge of Moral Wrongfulness’, Whelan was shortlisted for a 2014 ‘Antitrust Writing Award'.