About us

Olaf van Grieken

Phone: +31 (0)20 760 4560

Email: olaf.van.grieken@vanloman.com

V-Card: Olaf van Grieken

Olaf (1969) has obtained degrees in business administration from the Erasmus University in Rotterdam, law from the University of Leiden and audit from the University of Tilburg. He started his professional career in 1991 as an accountant at Coopers & Lybrand.

From 1993 to 1999, Olaf worked as a tax advisor in the domestic advice practices of two smaller companies. From 1999 to 2009 Olaf worked as a senior tax advisor in the international tax practice at KPMG Meijburg & Co. He has been a member of the KPMG international leasing network.

Olaf has extensive experience in advising clients in France, Ireland, Japan, the Netherlands and the US on the structuring of their international investments. He is fluent in English and French.

Olaf joined VANLOMAN in April 2009.

Laurens Lor

Phone: +31 (0)20 760 4552

Email: laurens.lor@vanloman.com

V-Card: Laurens Lor

Laurens Lor (1976) has studied tax law at the University of Amsterdam and started his professional career at Arthur Andersen in the real estate practice.

In 2001 Laurens joined Euronext where he was based in Paris during the listing of the company at the stock exchange. In 2003 Laurens joined KPMG Meijburg & Co where he worked in the international tax practice.

The clients of Laurens are mainly found in the sectors of family offices, private equity funds, real estate companies and informal investors.

Laurens is an author of a number of articles in international tax magazines about aspects of the Dutch national corporate tax law in international context. He is on the board of the Dutch entities of a South African mining company and non-executive board member of a Dutch based family holding company.

Laurens is one of the founders of VANLOMAN.

Jochem Kin

Phone: +31 (0)20 760 4586

Email: jochem.kin@vanloman.com

V-Card: Jochem Kin

Jochem (43) graduated from the University of Utrecht in 1999 with a masters degree in corporate and tax law. After having worked in the international tax practice of EY, he joined the international law firm Allen & Overy LLP in 2002. He was admitted to the Amsterdam Bar in 2003 and is a member of the Dutch Association of Tax Advisers.

Jochem specializes in corporate tax and international tax law. He focuses on advising both Dutch domestic and international companies on M&A transactions, restructurings and financing transactions. Jochem has extensive experience in the tax aspects of setting up fund structures and management participation structures.

Jochem joined VANLOMAN in June 2018.

Quote Chambers Europe 2017 – Tax:

“A good transactional lawyer who knows his stuff and produces solid and robust work”

Marc Oostenbroek

Marc Oostenbroek

Phone: +31 (0)20 760 4540

Email: marc.oostenbroek@vanloman.com

V-Card: Marc Oostenbroek

Marc (39) has a master of science degree in business administration from the Catholic University of Nijmegen (2004) and graduated with a masters of law degree from the University of Amsterdam in 2007 with a specialization in International and European Tax Law. After 4 years with Deloitte Marc joined Allen & Overy in 2010. He was admitted to the Amsterdam Bar in 2010 and is a member of the Dutch Association of Tax Advisers.

Marc has broad experience in advising both domestic and international companies in respect of their tax affairs. He specializes in tax aspects of M&A transactions, fund structuring, management participations and tax litigation.

Marc has a special niche focus on all tax aspects relating to management agreements, severance payments, options, equity incentives, share plans, the 30% ruling, management participations and LTIPs and other employment and benefits related matters.

Marc joined VANLOMAN as per March 2019.


Our business is built on a client first approach. A business and personal relationship based not only on delivering a great result, but on mutual growth and success. We pride ourselves on our active participation, open approach and our commitment to developing strong partnerships with our clients. We are equally an expert advisor, coach and team mate. As we address your taxation matters, we lead you step by step through the process ensuring you are fully involved and informed at all stages. We believe in building for the long term, always considering future changes, challenges and opportunities ahead for your personal and business tax matters. Ensuring you stay ahead of the curve.


Our experienced and knowledgable team offers in-depth and extensive expertise in a multitude of different taxation fields of expertise. This helps us ensure that we have the right team targeted to your specific needs. Our partners and advisors have built a strong track record with previous positions held at major International and Global law firms. This brings extensive global experience extending through Europe, Asia, Australia, Africa and the Americas, ensuring that we can also tailor our support to guide you through the many complexities of taxation laws and treaties across the world.


Our people are well trained specialists and have a lot of experience. We make sure that we are aware of the latest developments, changing legislation and regulations at all times. In addition there is seldom a conflict of interest due to the independence of our firm. In short, we have all the conditions to give you tax advice of the highest quality.


We work with the ‘four eyes principle’. This means that there is always a second expert who will look at your case with a fresh overview. This does not only ensure high quality but also of a second contact who knows the ins and outs of your situation.


We use short, practical lines. Our partners are actively advising our clients. He or she is your contact person, who quickly gives you a clear and concise answer.


As we are always thinking ahead and acting anticipatively, we deliver quality. We understand how much impact taxes have on your company results, they can make the difference between profit and loss. You can expect firm action from us.