
Willem L. Middelkoop MSc BICT
IT business owner, investor and software developer






Lemmid B.V.
Lemmid provides internet services for selected Dutch and international customers. Together with the customer Lemmid develops new IT products and services, including websites, web applications and apps.

dsd 164 B.V.
dsd 164 B.V. is a publisher of mobile apps for the international market. Apps from dsd 164 B.V. are downloaded millions of times.

Willem & Laurentz Holding B.V.
The Willem & Laurentz Holding B.V. invests in technology related companies. It is actively contributing to the development of new initiatives.

DigiDef
DigiDef is a specialised bureau that analyses existing computer systems and offers help with improving security.

Snake '97
Play Snake like it is 1997. This is a remake of the original Snake, complete with dot-matrix display and monotone sounds. The game has millions of fans world wide.
Born with MCADD
Medium chain acyl-CoA dehydrogenase deficiency

Just days after our son was born, we ran into trouble when our little man didn't want to eat anymore. Repeated attempts to feed him failed as he appeared to be too tired to drink from his mother. When we measured his body temperature we were shocked, only 33º Celsius! What followed was nothing less than an incredible emotional rollercoaster!
My first weeks as dad
On the challenges and rewards of being a father

Last Christmas my wife gave birth to our son, a little boy that would change everything! It's an incredible experience to become a parent, especially if it is your first kid. It introduces a whole new way of living, having to deal with regular feeding, caring and sleepless nights. Read along for my (biometric) findings and some practical tips!