Recognised by Chambers UK, 2012-2021, for International Arbitration: Commercial Arbitration, praising him for being "in front of the work and on top of the game"
Recommended in The Legal 500 UK for Dispute Resolution: Arbitration, 2010-2011, 2013-2023 and Public International Law, emphasizing that Dr. Koepp "obtains results for his clients" and noting that Dr. Koepp is a "quick thinker and easy to work with"
Listed in The Legal 500 UK, International Arbitration Powerlist, 2019
Recognised in The International Who's Who of Commercial Arbitration, 2014-2021 and listed as 'Thought Leader' for this practice, 2019-2021
Recognised in Euromoney's World's Leading Experts in Commercial Arbitration, 2017-2021 and listed in 'Rising Stars', 2015 & 2016
Recognised as one of the "45 under 45" by Global Arbitration Review, 2011