Wojtek Mach has 2 videos available on Confreaks.TV. Their most popular video is Building Umbrella Project which has been viewed 466 times since it was posted on 09/27/2016.
Building Umbrella Project at Elixir Conf 2016 466 total views
Lightning Talks - Wojtek Mach at Elixir Conf EU 2016 62 total views