Martin already focused on tax law during his law studies at the University of Bern. Martin got the deepening with an LL. M. Swiss and International Taxation at the Swiss Institute of Tax Law (SIST).
Martin has 9 years of experience in tax consultancy with a "Big4" and a good 6 years with the tax administration of the Canton of Berne, most recently as Head of the Legal Persons Department. He has been a partner at Gfeller + Partner AG since 1 August 2018. His main areas of expertise are tax advice to entrepreneurs and their business activities, restructuring and advising employees with international mobility.
Martin teaches taxes at the HFW Berne and was a co-author of a commentary on the tax law of the Canton of Berne. Since November 2018, he has been a member of the Executive Committee of the Institute for Swiss and International Tax Law (ISIS) and editor-in-chief of the zsis).