Tod Sacerdoti VP, Display & Video Ad Products YAHOO

Bob Safian Editor, MD FAST COMPANY

Robyn Safran Group Manager NAIR

Qasim Saifee Senior Vice President, Monetization Platform OPENX

Kya Sainsbury-Carter VP, Global Partner Service, Microsoft Advertising MICROSOFT

Karen Salama CEO/Founder BRAND U EVENTS

Laura Salant Senior Director, Research & Insights UNDERTONE

Sheryl Sandberg COO FACEBOOK

Aline Santos Farhat EVP, Global Marketing UNILEVER

Russell Sapienza Partner, Entertainment, Media & Communications Advisory PWC

Scott Sappenfield Senior Director, Sales Planning & Shopper Marketing UBISOFT

Eric Sass Editor, Publishers Daily MEDIAPOST

Kim Sater Director, US Consumer Marketing MARY KAY

Reshma Saujani Founder & CEO GIRLS WHO CODE

Bart Saunt Head of New Business UNIVERSAL MUSIC GROUP AND BRANDS

Kathleen Saxton Founder & CEO THE LIGHTHOUSE COMPANY

Pam Scheideler Partner, Chief Digital Officer DEUTSCH LOS ANGELES

Geoff Schiller Chief Revenue Officer POPSUGAR

Philipp Schindler SVP & Chief Business Officer GOOGLE

Kern Schireson Executive Vice President, Data Strategy & Consumer Intelligence VIACOM

Erica Schmidt Executive VP, Managing Director, North America CADREON

Fred Schonenberg Founder VENTUREFUEL

Chris Schreiber VP of Marketing and Communications SHARETHROUGH

Terri Schriver Senior Vice President of Enterprise Media BANK OF AMERICA

MIchael Schubert Chief Innovation Officer RUDER FINN

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Jon Schulz CMO VIANT

Lyle Schwartz Managing Partner GROUPM

Jim Scott Founder and Managing Partner MONO

Brandon Scott Jones Actor

Jay Sears SVP Marketplace Development RUBICON PROJECT

Carrie Seifer President, Investment MEDIAVEST | SPARK

John Seifert Worldwide Chairman & CEO OGILVY & MATHER

Jennifer Selke Co-Founder WORKSTRENGTHS

Pete Sena Co-Founder and Chief Creative Officer DIGITAL SURGEONS

Lori Senecal Global CEO CP+B

Carla Serrano CEO PUBLICIS NY

Andy Serwer Editor in Chief YAHOO FINANCE

Jay Sethi VP Marketing SMIRNOFF

Nikhil Sethi Co-Founder and CEO ADAPTLY

Sherilyn Shackell Founder & CEO THE MARKETING ACADEMY

Amit Shah Senior Vice President - Online Marketing, Mobile & Social 1-800-FLOWERS.COM

Alexandra Shapiro EVP, Marketing & Digital, Entertainment Networks NBCUNIVERSAL

Rob Shaw Strategic Partner Development - Sports Media Content FACEBOOK

Rachel Shechtman CEO & Founder STORY

Ari Sheinkin VP, Marketing Analytics IBM

Aaron Sherinian Chief Communications & Marketing Officer UN FOUNDATION

Howard Shimmel Chief Research Officer TURNER BROADCASTING SYSTEM, INC.

David Shing Digital Prophet AOL

Adam Shlachter President VM1

Jo Shoesmith CCO CAMPBELL EWALD

Ellyn Shook Chief Leadership & Human Resources Officer ACCENTURE

Marissa Shrum Group Strategy Director MOTHER

Resh Sidhu Virtual Reality Creative Director / AR + AI / Storyteller / Ideas + Innovation / Strategic Thinker / Speaker / Author FRAMESTORE

Johnny Silberman Director of Strategy & Innovation ANHEUSER-BUSCH INBEV

Ben Silbermann Co-Founder & CEO PINTEREST

Nate Silver Statistician, Author and Founder FIVETHIRTYEIGHT

Ben Silverman Chairman/Co-CEO PROPAGATE CONTENT

Evan Silverman SENIOR VICE PRESIDENT, DIGITAL MEDIA A+E NETWORKS

Daryl Simm Chairman & CEO OMNICOM MEDIA GROUP

Jamal Simmons Democratic Consultant & Co-Founder CRVIII.COM

Tyler Simmons Founder/CEO SEW

Willard Simmons CTO and Co-Founder DATAXU

Dia Simms President COMBS WINE & SPIRITS

Jeremy Simon Director of Influencer & Partnership Marketing ATTENTION GLOBAL

Ann Simonds CMO GENERAL MILLS

Tim Sims VP, Inventory Partnerships THE TRADE DESK

Jose Singer Vice President, Product Management YAHOO

Mark Singer Principal DELOITTE DIGITAL

James 'Jim' Sinocchi Managing Director and Head of Disability Inclusion JPMORGAN CHASE & CO

Jack Skeels CEO AGENCYAGILE

Cliff Skeete Executive Creative Director MCGARRYBOWEN

Samantha Skey President, CRO SHEKNOWS MEDIA

Marla Skiko EVP, Director of Digital Innovation SMG MULTICULTURAL

Jeremy Skule Chief Marketing Officer NASDAQ

Spencer Sloe Vice President of Advertising Product & Strategy at AOL AOL

Daniel Slotwiner Director, Advertising Research FACEBOOK

Sarah Sluis Senior Editor ADEXCHANGER

Brad Smallwood VP of Measurement Science FACEBOOK

Minda Smiley Reporter THE DRUM

Adam Smith SVP, National Sales VEVO

Ben Smith ECD THE MILL

Jeff Smith CMO LIVERAMP

Jimmy Smith Chairman, CEO, CCO AMUSEMENT PARK UNIVERSE

Mike Smith Senior Vice President Advertising Platforms, Core Audience; Senior Vice President of Revenue Platforms and Operations HEARST ; HEARST MAGAZINES DIGITAL MEDIA

Susan Smith-Ellis CMO GETTY IMAGES

Jasper Snyder EVP, Research & Innovation: Cross-Platform THE ARF

John Snyder CEO & Co-Founder GRAPESHOT

Rich Sobel SVP, Programs & Services PUBLICIS MEDIA – DATA, TECHNOLOGY AND INNOVATION

Jen Soch EVP Commercial Delivery GUARDIAN NEWS & MEDIA

Jessica Sokolowski VP, Corporate Marketing & Advertising FRONTIER COMMUNICATIONS

John Solomon CCO CIRCA NEWS

Kristen Soltis Anderson Republican Pollster, Washington Examiner Columnist and ABC Political Analyst

Nita Song President and Chief Momentum Officer IW GROUP

Carla Sosenko Editor-In-Chief TIME OUT NEW YORK

Lee Sosin SVP HEARST MAGAZINES DIGITAL MEDIA

Brendan Spain VP, Advertising - Americas FINANCIAL TIMES

Karl Spangenberg SVP MEDIALINK

Scott Spencer Director, Product Management GOOGLE

Jason Spero VP of Performance and Programmatic GOOGLE

Rachel Spiegelman President PITCH

Helayne Spivak Executive Director VCU BRANDCENTER

Mitch Spolan EVP, Marketing Services CHEGG

Morgan Spurlock Filmmaker, CEO & President WARRIOR POETS

Andrew Sriubas Executive Vice President, Strategic Planning & Development OUTFRONT MEDIA

John Stankey CEO, AT&T Entertainment Group AT&T

Scott Stansfield President CENTRIPLY

Bret Starr CEO STARR CONSPIRACY

Pete Stein General Manager FULLSCREEN BRANDWORKS

Eric Steinert EVP and Chief Revenue Office ADSPACE MALL NETWORKS

Adam Steltzner Lead Engineer on the Mars Curiosity Rover NASA

Brian Stempeck Chief Client Officer THE TRADE DESK

Lincoln Stephens Co-Founder and CEO MARCUS GRAHAM PROJECT

Andy Stevens SVP, Research & Insights CLEAR CHANNEL OUTDOOR

Jay Stevens Chief Revenue Officer ADFORM

Martha Stewart CEO MARTHA STEWART LIVING OMNIMEDIA

Lance Still SVP of Strategic Initiatives A+E NETWORKS

Dr. Horst Stipp EVP, Research + Innovation ARF

Nada Stirratt Chief Executive Officer VERVE MOBILE

Gerhard Stochl Group Publisher VICE MEDIA

Lora Stock Group Director Social and Content Strategy CAMPBELL EWALD

Megan Stooke CMO MAVEN

Marc Strachan Vice President, Corporate Relations and Constituent Affairs, USA DIAGEO-NORTH AMERICA

Michael Strahan FOUNDER AT SMAC ENTERTAINMENT, CO-HOST ON GMA, ANALYST ON FOX

Yancey Strickler CEO KICKSTARTER

Michael Strober EVP, Client Strategy & Ad Innovation, Co-Head Turner Ignite TURNER BROADCASTING

Lisen Stromberg COO THE 3% MOVEMENT

George Strompolos Founder & CEO FULLSCREEN MEDIA

Jon Suarez-Davis Chief Marketing and Strategy Officer KRUX

Radha Subramanyam President of Insights, Research and Data Analytics IHEART MEDIA

Lisa Sugar Founder and President, Author POPSUGAR, POWER YOUR HAPPY

Ryan Sullivan SVP, Performance Services PERFORMICS

Alex Sutton Global Director, Digital Acquisition AVIS BUDGET GROUP

Andy Swanson VP, ESports TWITCH

Martin Swant Staff Writer ADWEEK

Gareth Sweeney Chief Editor of the Global Corruption Report and Head of the Corruption in Sport Initiative TRANSPARENCY INTERNATIONAL

Alain Sylvain Founder and CEO SYLVAIN LABS