Dave has 30 years of industry experience. He has extensive experience in IT security operations and management. Dave is a Global Advisory CISO for Cisco. He is the founder of the security site Liquidmatrix Security Digest & podcast and the host of DuoTV and the Plaintext podcast. He is currently a board of directors member for BSides Las Vegas. Previously, he served on the board of directors for (ISC)2 and founded the BSides Toronto conference. Dave has been a DEF CON speaker operations goon for over 13 years. Lewis also serves on the advisory board for the Black Hat Sector Security Conference and the CFP review board for 44CON, as well as on the advisory boards of several companies. He is currently working towards his graduate degree at Harvard. Dave has previously written columns for Forbes, CSO Online, Huffington Post, The Daily Swig, and others. For fun, he is a curator of small mammals (his kids), plays bass guitar grills, and is part owner of a whisky distillery and a soccer team.