Photo: Wouter Engler, CC BY-SA 4.0, via Wikimedia Commons⁸

Ronald Jan Heijn

Entrepreneur, Dutch field hockey player.¹

Born Mar 6, 1960.¹

Companies

OibibioFounder⁷

Career

Occupation: writer, entrepreneur, field hockey player.³

Date not recordedFounded Oibibio²

Personal life

BornMar 6, 1960, Amsterdam⁴
CitizenshipKingdom of the Netherlands⁵

Links

IMDb⁶
Wikidata

Sources

The numbers on this page point here. Each one links to the record it came from.

1
WikidataRonald Jan Heijn on Wikidata
2
WikidataRonald Jan Heijn: Founded Oibibio, on Wikidata
3
WikidataRonald Jan Heijn: occupation, on Wikidata
4
WikidataRonald Jan Heijn: place of birth, on Wikidata
5
WikidataRonald Jan Heijn: citizenship, on Wikidata
6
WikidataRonald Jan Heijn: IMDb, on Wikidata
7
WikidataOibibio, Founder
8
Wikimedia CommonsRonald Jan Heijn photo by Wouter Engler, CC BY-SA 4.0