Over the years, a great bunch of people have gathered for the Author Pow Wow.  Here's a sampling of some previous presenters and attendees:

Presenters:

Publishing:
Adrian Zackheim (Portfolio), Clint Greenleaf (Greenleaf Book Group), Ray Bard (Bard Press), Will Weiser (Portfolio), Mark Bloomfield (Harvard Business Press), Erika Heilman (Bibliomotion), Karen Murphy (Jossey-Bass)

Bookselling:
Tom Wilson (Wiley), Deb Lewis (Penguin), Jill Konrath (author of Snap Selling), David Hathaway (Greenleaf Book Group), Will Weisser (Portfolio)

Publicity:
Mike Hofman (Inc.com), Allison McLean (Portfolio), Barbara Cave Henricks (Cave Henricks Communications), Shelley Dolley (Leap7), Mark Fortier (Fortier Public Relations), Erin Brown (Harvard Business Press), Adrienne Lang (BenBella), David Hahn (Planned TV Arts)

Social Media:
Rusty Shelton (Shelton Interactive), Kenneth Gillett (Target Marketing), Phil Gerbyshak (12-Minute Media), Jose Castillo (Think Jose)

Speaking:
Stephen Denning (author of The Leader's Guide to Radical Management), Shawn Kent Hayashi (author of Conversations for Change: 12 Ways to Say It Right When It Matters Most), Les Tuerk (BrightSite Group), Nick Morgan (Public Words), Noah Rickun (Gitomer Certified Speaker), Victoria Labalme (Victoria Labalme Communications)

Authors:
Chris Guillebeau (author of The Art of Non-Conformity), Sally Hogshead (author of Fascinate), Stephen Shapiro (author of Personality Poker), Erika Andersen (author of Being Strategic), Lucas Conley (author of Obsessive Branding Disorder), Tim Sanders (author of Today We Are Rich), Dan Heath (author of Made to Stick), Steve Farber (author of Radical Leap)

Design:
Joy Stauber (owner of Stauber Design Studios)

Writing:
Sally Haldorson (communication strategist at 800-CEO-READ)

Agents:
Nena Medonia (Dupree Miller)

Attendees:

Erika Andersen, Greg Alexander, Andrea Learned, Kevin Eikenberry, Sally Hogshead, Pamela Slim, Joanne Gordon, Jackie Huba, Joe Heuer, Alexander Kjerulf, Steve Little, Ben McConnell, Pamela Miles, Robert Mintz, Jack Mitchell, Susan Quandt, David Meerman Scott, Michael Stallard, Dan Roam, John Rosen, Michael Burchell, Joe Kutchera, Daniel Burrus, AnnaMaria Turano, Bill Welter, Steve Yastrow, Mike Kanazawa, Bill Schley, Carol Sanford, John Bradberry, Robert Jordan, Noel Weyrich, Kalina Mazur, Les McKeown, Jennifer Ferrasci-O’Malley, Paul Sliker, Alexandra Kirsch, Rajesh Setty, Kevin Kruse, Denise Lee Yohn, David Osborn, Terry Doerscher, Richard Imperiale, Richard Hunter Cross, Erika Heilman, John Moore, Richard Shapiro, Judson Laipply, David Edward, Jennifer Whitt, Dain Dunston, David Nour, and many others.