Markus has a Juris Doctorate from the University of San Francisco (1996) and is licensed to practice law in both California (1996) and Hawai'i (1997). He was Editor-in-Chief of the University of San Francisco Maritime Law Journal, University of San Francisco School of Law from 1995-1996. He litigated at two maritime law firms in San Francisco before starting at Thomas Miller’s San Francisco office in 2006 where he handled claims for the UK P&I, UK Defense and TT Clubs.  In January 2018, he left to work for an international commercial insurer, but ultimately returned to Thomas Miller in Oct. 2022.  Markus specialises in U.S.-based high value maritime personal injury and cargo damage cases