Later this month, venture capitalist Peter Thiel, a co-founder of PayPal, will be talking about the Antichrist at the Commonwealth Club in San Francisco as part of a sold-out event presented by a group called the Acts 17 Collective. The Silicon Valley-based group has tech industry leaders exploring the intersection of the Christian faith, work, and culture with a four-part lecture on the topic that Jan Markell of Olive Tree Ministries says pastors have not been trained to cover.