Arjen van Ketel is Legacy  expert based in the Netherlands.

He introduced, in cooperation with Kalff, telemarketing for legacy fundraising in the Netherlands in 2017. That program turned out to be a key element in the programs of over 40 Dutch nonprofits.

In 2023 Arjen joined the leading consultancy group Legacy Futures, where he, together with Lena Vizy is responsible for the European activities.