Grumpy Old Geeks People Dave McClure Person Dave McClure 2 mentions in 1 episode The 500 Startups figure the hosts say had been replaced as its CEO following misconduct allegations. Mentions 216: Lunchroom of Effervescent Healing Jul 3, 2017 4:43 Dave McClure of 500 Startups, who I've known for a very long time. 5:00 He has been replaced as the CEO of 500 Startups.