Harm is a partner in the Corporate Group, based in The Hague. He specialises in corporate finance transactions, particularly in Energy & Utilities, Infrastructure and TMT. He also advises on financial law. His clients are mainly corporates, investment banks and private equity funds.

The Chambers 2006 edition reports that Harm ”impressed interviewees as a responsive and client-focused practitioner”. He is also recommended in the Legal 500 editions.

Before joining the firm he worked at Loyens & Loeff in Londonwhere he had a prominent role in building up the corporate finance practice and at Simmons & Simmons where he headed the Dutch Energy and Infrastructure Group.

Before becoming a lawyer, he worked at the European Commission (Financial Control) in Brusselsand the European Parliament in Brusselsand Strasbourgas the assistant of an MEP (Economic and Financial affairs).

Harm is a member of the Dutch Energy Law Association and the Dutch Media and Communication Law Association. He lectures from time to time on corporate and financial law to university students and professionals.