Tim Padala, Hill Thompson Magid, Jersey City; Mike Kinsella, Susquehanna International Group, Philadelphia.
Eric Axelson, Guest; Gordon Farkouh, Nino Nicotra, both Bloomberg Tradebook, New York.
Ray Cancio, Peter Pan, Adriana Vazquez, all Delaware Investments, Philadelphia; Dom Mitarotondo, Domestic Securities, Edison.
Josh Clifford, Sean Buckley, both NYFIX Millennium, New York; Randy Williams, Jon Schneider, both BATS Trading, Kansas City; Bryan McNamara, McNamara Trading, Philadelphia.
Larry Birch, Bernard L. Madoff Investment Securities, New York; Ashley Cooper McNamara Trading; Jim Nolen, Janney Montgomery Scott; Helen Diehl, McNamara Trading, all Philadelphia.
Stan Craig, Vertical Group, New York; Doug Bantum, Wedbush Morgan; Jack Hughes, Liam Timoney, Melissa Donohue, both Boenning & Scattergood; Denise Devlin, Best Vest, all Philadelphia.
Ned Vocar, Jefferies & Co; Fran McCartan, Buckingham Research; Thomas Bell, Tradition Asiel, New York; Mike Powell, FTN Midwest; Bob Baitsch, Jefferies & Co., all New York.
Michael Anastasi, Knight Capital Group, Jersey City; Karen Colledge, Canaccord Capital, Toronto; Mike Reilly, McNamara Trading, Philadelphia.
Eric Pierce, Val Sanchez, both UBS, New York; Tony Lopez, Pershing, Jersey City.
Boots Leahy, Kildare Capital; Bill Morris, Norman Wilde, both Janney Montgomery Scott, Philadelphia.
Shari Bento, Pete Keblish, Tara Poskitt, all Janney Montgomery Scott, Philadelphia.
Jack Hughes, Janney Montgomery Scott, Debra Shaner, Crowell Weedon; Melissa Moyer, Janney Montgomery Scott, all Philadelphia; John Barone, William Blair, Chicago.
Steve Carolus, E*Trade; Sue Lyall, Citadel, both Chicago.
Chris Preston, Nova Capital Markets, Philadelphia; Karen Regan, T. Rowe Price, Baltimore; Robert Baisch, Jefferies, New York.
Tom Quinn, Nova Capital, Philadelphia; Connie Kreutzer, Lawbright Financial, Chicago.
Ciro Ambrosio, RBC Capital Markets; Chris DeMaso, Fidessa, both New York; Dom Mitarotondo, Domestic Securities, Edison; Dale Favors, RBC Capital Markets, New York.
Steve Silverman, Danielle Teisch, JJ Allingham, all Goldman Sachs, Josh Clifford, NYFIX, all New York.
Liam Timoney, Melissa Donohue, both Boenning & Scattergood, Philadelphia.
Jack Hughes, Melissa Moyer, Norm Wilde, Shari Bento, Bill Morris all Janney Montgomery Scott, Philadelphia.
EJ Pures, Nova Capital Markets, Philadelphia; Stuart Campling, Aberdeen Asset, London; Karen Regan, T. Rowe Price, Baltimore; Tony Godonis, Aberdeen Asset; John Benedickson, Nova Capital Markets, both West Conshohocken.
Marc Tumolo, Vanguard, Malvern; Ryan McNamara, Dean Bruskof, Ashley Cooper, all McNamara Trading, Brad Hunt, Vanguard, Malvern; Sean Buckley, NYFIX Millennium, New York.
Options Market Structure: Jeromee Johnson, 3D Markets.
Introduction:Cal Quinn, CorePROFIT Solutions.
Quantitative Investment Funds and Their Impact: Brian Gallagher, Morgan Stanley; Spencer Baugher, Banc of America Securities; Bill Bell, Lehman Brothers; Andrew Smith, BroadStreet Capital Partners.
Steve Carolus, E*Trade, Chicago; Dom Mitarotondo, Domestic Securities, Edison; Mike Reilly, McNamara Trading, Philadelphia.
Tony Godonis, Aberdeen Asset Management, West Conshahocken; Jeff Rugen, Chris Watson, both DuPont Capital, Wilmington.
Mike McCarthy, Crowell Weedon, Bala Cynwyd; John Ware, Avondale Partners, Baltimore.
Brian Higgins, Aberdeen Asset Management, West Conshahocken; Pete Keblish, Janney Montgomery Scott; Matt Mund
