Our People

Experienced professionals with an innovative mindset

One Firm

Questro International was founded by senior transfer pricing professionals with broad transfer pricing experience. During our set-up, we gave significant thought to establishing an integrated, global firm that "plays and acts" as one team, supported by an efficient user-friendly IT framework.

Meet the team

Stephen Alleway

Stephen is a transfer pricing advisor based in Switzerland, who has more than 18 years of tax experience in the field of transfer pricing. He has acquired broad experience in leading large global projects for Swiss and foreign headquartered multinationals.

Stephen has gained transfer pricing experience in the UK, Australian, and Swiss markets and he has worked across a range of industries and jurisdictions.

Peter Andersen

Peter is a transfer pricing advisor based in the Netherlands with more than 20 years experience in transfer pricing and international tax from consulting, research and lecturing. He has significant experience in the design and implementation of transfer pricing systems. Peter is also experienced in coding and IT systems design.

With a Nordic background, he has been based in the Netherlands since 1995 and has worked extensively across Europe, giving him a profound knowledge of the TP regimes of many countries.

Thorsten Schaus
Transfer Pricing Partner

Thorsten is a transfer pricing advisor based in Germany who specialises in the area of Financial Services (FS). He has more than 10 years of FS transfer pricing experience most recently as a Tax Partner and EMEA FS TP Leader at a Big 4 consultancy in Germany.

Prior to his Big 4 career, Thorsten was with a large German bank for over 7 years, giving him a strong client perspective in his work with banks, insurance companies, asset managers & real estate investors.  


Manuel is a transfer pricing advisor based in Germany who has a strong international tax background (German Certified Tax Advisor & MBA in International Taxation). He has more than 20 years experience, advising German and foreign MNCs in transfer pricing, permanent establishment and other international tax issues.

Manuel joins Questro from a Boutique transfer pricing firm he co-founded following a Big 4 career. He also focuses on operational TP and implementation topics, including the integration of IT tools for TP management.

Luca Landini Bussei
Transfer Pricing Associate

Luca is a transfer pricing associate based in the Netherlands. He recently concluded a Master’s Degree in International and European Tax Law from the University of Maastricht. His thesis topic was “In How Far May BEPS Action 8 Contrast Intangibles-based BEPS Schemes in Digital Companies?” 

He also holds a Bachelor Degree in European Law from Maastricht University and has a mathematical academic background in Italy.

Mehdy Ben Brahim
Transfer Pricing Senior Associate

Mehdy is a transfer pricing advisor based in Zürich who has more than 8 years experience in transfer pricing. He specializes in sustainability and transparency, supporting clients implementing and communicating on their transfer pricing structure.

After an education in law and business management, he has gained experience in a Big 4 consultancy in France and in-house within a large Swiss multinational company. 

Hiva Hendesi
Transfer Pricing Associate

Hiva is a transfer pricing associate based in the Netherlands. She gained a Master’s Degree in International & European Tax Law in 2015 from the University of Maastricht.

After her education in law, she gained experience as a senior tax advisor in Luxembourg where she advised clients on international tax planning, M&A, corporate restructuring and investment fund transactions. Hiva is Swedish and speaks Persian and English.

Ina Müller
Transfer Pricing Senior Associate

Ina is a transfer pricing advisor based in Stuttgart who has more than 10 years experience in transfer pricing.

During her career at the Big 4 and a Boutique transfer pricing firm she worked on a range of projects including global documentation projects, drafting and implementing APAs, design and implement headquarter service charge concepts, support clients in tax audits, design of group wide IP strategies, and valuation of business restructurings. 

Jakob Preisler
Senior Economist

Jakob has worked as an economist for 20 years and is based in Denmark. He has extensive financial services experience - most recently with Danske Bank (the largest bank in Denmark), where he gained a comprehensive insight into loan pricing and credit rating methodologies.    

Jakob is an Associate Professor of Statistics at Copenhagen Business School. He holds a Master’s Degree in Economics (University of Copenhagen) and a Degree in International Political Relations (Institut d’Etudes Politiques de Paris).

Our Network

Questro International has a strong network of transfer pricing professionals and other professionals in the area of tax, legal, customs and valuation. The network covers more than 40 countries around the world. In combination with our own coverage of 8 countries, this network allows Questro International to handle complex projects involving multiple professionals with a specific jurisdictional or technical expertise.

Questro International is not bound to an exclusive network, however, because of our long-established experience, we have excellent personal contacts in key countries for selected services. Alternatively, if you already have existing contacts for a specific country or topic, we can also ensure an effective cooperation.

Want to know more about our network partners?

Thank for your submission. We will be in touch shortly.