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 as well as the host of DuoTV and the Plaintext podcast. He is currently a member of the board of directors for BSides Las Vegas. Previously he served on the board of directors for (ISC)2 as well as being a founder of BSides Toronto conference. Dave has been a DEF CON speaker operations goon for over 10 years. Lewis also serves on the advisory board for the Black Hat Sector Security Conference and the CFP review board for 44CON. 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 as well as a soccer team.