AbOUT DD
info@denkdokter.nl 06 – 25 367 047 home The Difference For Who How Does It Work Results About DD Work with Us FAQ Contact X ABOUT DENKDOKTER John van Silfhout I am John van Silfhout, founder of DENKDOKTER. Not a physician and not a psychologist, but a practical philosopher. I work with people by asking questions […]