A qualified lawyer, Mr. Luther specialises in indirect tax litigation, e-commerce and digital services taxes. High-profile cases include securing a €1.7 million VAT refund for a US-based multinational and a €2.5 million compliance and advisory contract for EMEA VAT reporting. Prior to joining A&M, he spent almost six years at EY, where he led the firm’s indirect tax practice for Northern Germany, as well as the global Digital Service Tax initiative. Mr. Luther is also Cofounder and Chair of the non-profit TeCIT Club, which fosters dialogue at the intersection of indirect tax, tax technology, and e-commerce. 

Bringing more than 17 years’ experience in indirect tax, Ms. Büttner advises international businesses on how to improve the effectiveness of their operating models, with particular focus on supply chains and transactional set-up. She has advised on complex technical issues of indirect taxation that arise from the global structuring of business operations. She has led a number of projects in connection with business acquisitions and divestitures, digitalisation and metaverse adoption across business models and product portfolios, business transformations following the BEPS initiative of the OECD, and introduction of ESG considerations in the value chain. She supports clients across various sectors including consumer products, pharmaceuticals and life sciences, chemicals, industrials and energy. Ms. Büttner joins from EY, where she was a partner for eight years. 

Mr. Van Min joins from Deloitte, where he spent over 22 years, most recently supporting large listed companies as a senior partner. Recognised for his expertise, he is a notable authority on sustainability in tax and plays an active role in the current Dutch and global tax debate.

Ernesto “Ernie” Perez, Managing Director and Global Practice Leader of A&M Tax, noted: “Anastasia, Matthias and Patrick joining us marks a strong start to the new year, building on the momentum from 2024.  We will continue our expansion across EMEA and are pleased with the high-quality, credentialed talent joining the team.  Considering Germany is the largest economy in Europe and the Netherlands is headquarters to many influential international businesses, both are extremely meaningful to our growth.”