Wis brings a rare combination of analytical depth and international perspective to fundraising. With a background in biology and international business, he quickly gets to the core of complex challenges and translates them into clear, actionable strategies.

He has supported multiple non-profits in strengthening their fundraising, working across different contexts and funding landscapes. Having lived in Spain, Indonesia, and Peru, he understands how to navigate cultural nuance and build relationships that matter.

Wis speaks Dutch, English, Spanish, French, and Portuguese, and is currently learning Japanese.

He is structured, sharp, and easy to work with — the kind of consultant who adds clarity, energy, and momentum to any fundraising effort.