Alexander Demuth is a German Certified Public Accountant (Wirtschaftsprüfer) working with Secretariat’s  clients in Germany, Switzerland, Austria, and beyond. A disputes expert, he advises on arbitration, litigation, and settlements focusing on post-merger and commercial disputes and investor-state arbitrations.

Mr. Demuth has acted as a party-appointed or tribunal-appointed expert in international arbitration proceedings under AAA, DIS, ICC, ICSID, SIAC, and VIAC rules and in litigation proceedings.

His experience spans multiple industries, including automotive and automotive supply, biotechnology, manufacturing, pharmaceutical, private equity, renewable energy, retail, and software. 

Mr. Demuth has been recognized by Lexology Index as one of the Thought Leaders in arbitration, commercial litigation, and financial advisory matters, and as one of the leading names in forensic accounting and investigations. He is regarded as “a well-regarded expert with deep expertise in quantifying damages in complex international disputes, including post-M&A, investor-state and commercial claims arising from the automotive, energy and pharmaceutical industries.” 

​Lexology notes that Mr. Demuth is “a favourite among peers and clients who praise his direct analytical approach and outstanding expertise on damages and evaluation disputes.” He is further described as “a pragmatic and very experienced expert whose advice is always spot on,” and as “very creative when it comes to the assessment of damages” and “very persuasive in cross-examinations.” In the arbitration arena, Mr. Demuth is praised for “open and clear communication regarding risks, opportunities, and both good and bad arguments,” and for “strong availability and responsiveness while defending his expert opinion well.” Lexology also shares that Mr. Demuth demonstrates impressive forensic accounting experience in investigations across a range of sectors, including automotive and biotechnology, with clients lauding his “dedicated and stellar approach.”  

Mr. Demuth is fluent in German and English and regularly issues reports and testifies in both languages.