Joe ApprendiJoe Apprendi
Chief Executive Officer

The visionary behind Collective, Joe brings more than 15 years in founding, board and executive management experience to the Company. Prior to founding Collective, Joe served as CEO of Falk eSolution’s Falk North America. Previous to Falk he was the Executive Vice President at Eyeblaster™, responsible for global sales and marketing where he led the company in building its client base to include more than 400 agency and 500 publisher customers worldwide, ultimately securing its position as the number one rich media technology provider as reported by Nielsen NetRatings AdRelevance.

Earlier in his career Joe served as Senior Vice President, North American Sales Operations at 24/7 Real Media, for 24/7 Mail, 24/7 Network, and 24/7 Media Canada on multiple product lines including Online Media, Email, Promotions, Loyalty Programs, and Wireless Advertising. Joe was recognized by Business Insider on its 2011 Silicon Alley List of technology leaders, and is an Ernst & Young Entrepreneur of the Year® for the Metro NY award honoree.

Michael K. BakerMichael Baker
President and Chief Executive Officer

Mike Baker has been pioneering digital media platforms for 20 years and is a widely recognized thought leader in interactive advertising. Before co-founding DataXu, he was Vice President at Nokia, where he created and ran Nokia Interactive. Mike came to Nokia through its acquisition of mobile advertising leader Enpocket in 2007, where he was the founding investor and Chief Executive Officer. He was previously a partner at venture capital firm GrandBanks Capital. He has also been Executive Vice President at Engage Technologies, an innovator in online advertising and behavioral targeting. An active angel investor in digital media, he is currently Chairman of the Board of Nexage, a mobile advertising solutions provider. Mike holds degrees in law and telecommunications management.

Michael BarrettMichael Barrett
Millennial Media

Michael Barrett is the CEO of Millennial Media, and brings over 20 years of experience in e-commerce, advertising, publishing, and sales. Previously, Michael was President and Founder of Ichabod Farm Ventures LLC. He also served as Chief Revenue Officer of Yahoo! Inc., and was responsible for global advertising revenue and operations. Prior to Yahoo!, Michael served as CEO of AdMeld, which was acquired by Google in 2011.

Previously, Michael served as Chief Revenue Officer and Executive Vice President at Fox Interactive Media, overseeing the worldwide revenue for all of the company’s properties, including MySpace, IGN, FoxSports.com, Fox.com, AmericanIdol.com, and Scout.com. Prior to Fox, he served as Executive Vice President of Sales and Partnerships of AOL Media Networks at AOL LLC (now Historic AOL LLC). Michael has also held senior roles at GeoCities, Disney Online, and Family PC.

Michael holds a B.A. degree in Economics from College of the Holy Cross.

Sloan BroderickSloan Broderick
Managing Director
MediaCom Interaction

Sloan is the Managing Partner and Managing Director for MediaCom Interaction (formerly Beyond Interaction) and is responsible for all aspects of the agency’s digital operations and strategy, including the continued integration of digital marketing into MediaCom’s core business.

Sloan manages teams that integrate internet-based communications & services, business strategy, media and advertising, to help clients demonstrate measurable returns on their marketing and media investments.

He has extensive digital experience including online media awareness and acquisition campaigns, branded entertainment, site and interactive experience development, social networking and search engine marketing. Sloan has also led brand development, customer insights, product development and loyalty engagements on behalf of his clients.

Prior to joining MediaCom, Sloan held various senior marketing positions at Publicis Modem. His responsibilities included account management, strategic marketing & media planning and execution for clients including Heineken, AOL, Marriott, Sirius Satellite Radio, Kraft, Cap Gemini and Dice Holdings, Inc. Before joining Modem Media, Sloan held marketing and business development positions at Alliance Consulting NY and at Cap Gemini America. Additionally, Sloan has worked and lived in Buenos Aires for Xerox.

He is fluent in Spanish, and graduated from Bucknell University with a degree in Economics. Sloan lives in Fairfield, CT with his wife Joanne and daughter Hayley, and enjoys cooking, travel, golf and spending time with his family.

Alan ChapellAlan Chapell
Chapell & Associates

Chapell began his career at a boutique direct marketing agency in Stamford, Connecticut in the early 1990’s; generating business with several top tier advertisers as their director of sales and marketing. After several years at the agency, Chapell moved to New York and to Jupiter Research, an Internet research firm focusing on the consumer Internet economy. During his 4-1/2 years at Jupiter, Chapell directed Jupiter's marketing, sales and compliance operations while also attending Fordham University School of Law.

After his tenure at Jupiter, Chapell helped productize DoubleClick's research product suite. He focused on DoubleClick's Advertising Effectiveness products, which measured the brand impact of online advertising. Chapell later worked with email marketing firms Yesmail, a division of infoUSA and Cheetahmail, now a division of Experian, where he worked as an evangelist of email marketing, and helped clients with issues of privacy and deliverability.

Chapell founded Chapell & Associates in October of 2003. Since then, his firm has helped over 50 marketing and media companies craft their interactive privacy and data strategy. Chapell & Associates has also been instrumental in the development of emerging best practice standards for interactive marketing and media – including several projects developing and evaluating compliance programs in the affiliate marketing and behavioral industries.

Chapell is widely recognized as a thought leader on interactive ecosystems, affiliate marketing, behavioral targeting, mobile, privacy and interactive media. He is on the board of the Network Advertising Initiative, Chairman of the NYC chapter of the IAPP, Chairman of the Mobile Marketing Association’s (MMA) Privacy and Preferences Committee, and a member of the MMA’s Consumer Best Practices Committee.

Chapell is a popular columnist, and his work appears regularly in iMedia Connection, the DMNews, and the International Association of Privacy Professionals’ The Privacy Advisor. Chapell is also an oft-requested speaker at industry events such as the iMedia Summits, Adtech, MMA events, Search Engine Strategies, Digiday Mobile, the DMA, Gartner events, Mediapost OMMA events and IAPP Conferences.

Chapell graduated from the University of Connecticut and Fordham University School of Law, and is a member of the New York bar. He is a senior research fellow on the Ponemon Institute's Responsible Information Management Council, and is a Certified Information Privacy Professional. Mr. Chapell was recently appointed by the U.S. Trustees office to serve as privacy ombudsman in the Chrysler, General Motors and Eddie Bauer bankruptcy proceedings.

Adrienne DuttAdrienne Dutt
Associate Manager, Display Advertising

Adrienne Dutt manages display advertising optimization on exchanges and networks for eBay.com. Adrienne paved the way to bid on real-time inventory to achieve direct response targets for eBay.com by integrating technology, algorithms and data. Before running display optimization, she drove product development for eBay’s internal Paid Search optimization platform and also managed Paid Search campaigns. Prior to eBay, Adrienne consulted at Accenture where she implemented enterprise software solutions for Fortune 500 companies. Adrienne holds a Bachelor of Science Degree in Operations Research and Industrial Engineering from Cornell University.

John EbbertJohn Ebbert
Managing Editor

John Ebbert has worked in media for 15 years in digital marketing and operational roles for companies such as Viacom's Nickelodeon, Arkadium, Contextweb and as an entrepreneur. Following his entrepreneurial instincts, in July 2008, he started AdExchanger.com, an advertising news and discussion website which encourages an exchange of ideas on digital media optimization.

David JacobsDave Jacobs
Senior Vice President, Publisher Services

Dave Jacobs oversees the continued growth of display and text based third party publisher and monetization partnerships across AOL Advertising's industry-leading network, Advertising.com. Dave also oversees the Advertising.com Group’s ADTECH division, which provides integrated technology solutions for publishers and agencies, across display, video, and mobile formats. He is actively involved with the advertising community as a key contributor to industry events, publications, and trade organizations.

Dave has led a number of different teams since joining Advertising.com in 2000. While heading up Strategy and Business Development, he led AOL’s acquisition of Lightningcast which served as the company’s entry into the third party video space; he also played a key role in the creation of Advertising.com Japan, a joint venture with the Japanese firm Mitsui, in December 2006, where he currently serves in a board capacity.

Prior to joining Advertising.com, Dave spent eight years at Arthur Andersen, most recently as Senior Consulting Manager, where he led a variety of national strategy and operational consulting engagements. Dave holds a B.S. in business administration from Penn State University.

Steve KatelmanSteve Katelman
VP, Publisher Development

Steve is the Vice President of Publisher and Vendor Development for the Omnicom Trading Desk, Omnicom Media Group’s audience buying platform. He is responsible for ensuring Omnicom’s clients have premier access to valuable and exclusive digital inventory (display, video, mobile, etc.). He is also responsible for global strategic partnerships, delivering OMG agencies (OMD, PhD, Resolution Media, Novus/Singer) unparalleled exposure and insight with their largest global digital vendors (Google, Yahoo, MSN, Facebook, etc.).

With over 20 years of advertising agency experience, Steve recently relocated to the Omnicom Trading Desk headquarters in Chicago. Steve has been with Omnicom for over 15 years, focusing on digital strategies and investments for clients such as Apple, Oracle, Visa, FedEx, Nissan and HP.

Steve is an advertising graduate from the University of Nebraska and an avid supporter of live music.

Terence KawajaTerence Kawaja
Founder & Chief Executive Officer
LUMA Partners

Terence Kawaja is Founder and Chief Executive Officer of LUMA Partners, a strategic advisory firm focused at the intersection of media and technology. He is a seasoned investment banker with more than 20 years of experience and has advised on over $300 billion of transactions, including some of the most pivotal deals in the media and tech industries. Throughout his career, Terry has leveraged deep industry knowledge to take a strategic approach to deal making rather than chase transactions. The best compliment people say is that he thinks like a principal.

Called the Jon Stewart of investment bankers, Terry is both a recognized expert in the internet and digital media sectors and also a popular speaker at leading industry conferences, frequently using humor to aid substantive presentations. Terry has a straightforward style and is never afraid to tell it like it is.

Jason KellyJason Kelly
Vice President of Strategy & Revenue Management
Time Inc. Digital

Jason Kelly is Vice President of Strategy & Revenue Management at Time Inc. Digital. His primary focus in this role is building out and managing the digital network of Time Inc. sites launched in 2009: Time Axcess.

Kelly joined Time Inc. from Rapt, a part of Microsoft Advertising’s Publisher Solutions, where he was manager, advisory services. He managed numerous strategic consulting engagements and enterprise software implementations for large publishers driving incremental revenue through best practice media monetization. While at Rapt, he also developed the strategic partnership and course curriculum on behalf of Microsoft Advertising and the IAB for the Professional Development Seminar on yield management for publishers.

Prior to working at Rapt, Kelly was director, revenue management, sales and online distribution for Virgin America.

His involvement included building out the sales, yield management and online distribution teams in addition to driving the overall commercial strategy of the airline. In addition, Kelly created and executed the largest viral marketing campaign in the history of the airline industry with letvafly.com contributing to the successful approval by the US DOT for Virgin America to begin operations in the United States. Before working at Virgin America, Kelly held posts at Independence Air, Frontier Airlines, and Kiehl Hendrickson Group (Sabre).

Daphne LiskaDaphne Liska
Head of Display Advertising

Daphne Liska Sacco is the Head of Display Advertising for eBay.com. Supporting eBay’s vision to be the leading platform for global online commerce, Daphne’s primary responsibilities include providing direction for display advertising globally, overseeing the digital ad agency, media buying and technology innovation. In addition, she successfully launched a new Search Engine Marketing seed business for eBay, Inc. in 2009 as well as an extensive behavioral testing and optimization program that supports both paid search and display creative. Prior to eBay, Daphne started her career at AltaVista in interactive marketing. Daphne holds a Bachelor of Science Degree in Business Administration from the University of Pittsburgh.

Ramsey McGroryRamsey McGrory
Vice President, North American Marketplaces

Ramsey McGrory is Vice President, North American Marketplaces, Yahoo!, which includes display, search and video to create winning product and solution strategies based on customer needs and marketplace dynamics. Ramsey is specifically responsible for establishing and growing Yahoo!’s strategic use of data and insights. Prior to this role, he was responsible for strategic relationships with major agency holding companies as part of the U.S. partnerships team, he also led a team that drove participation and growth of the of the Right Media Exchange, which Yahoo! acquired in 2007.

With ten years of online media, banking and military experience, Ramsey brings a diverse background to his role. He is a veteran of the Persian Gulf War and the early days of the Internet, and thrives in chaotic, fast-paced environments. Before joining Right Media, he worked in media and technology sales at DoubleClick and Excite. He also spent six years at NationsBank and at Citigroup, in the Treasury and Derivatives Trading Groups, focused on Internet banking and credit/debt derivatives structuring. He was in the military from 1985-1993.

Ramsey is based in New York City. He received an undergraduate degree in Economics from the University of the South, and a Master's degree in Management from Georgia Tech. He is active in the William J. Clinton Foundation and sits on the board of The Jericho Project.

David J. MooreDavid Moore
Chairman, Xaxis
President, WPP Digital

David J. Moore is Chairman of Xaxis and President of WPP Digital. In both roles, he seeks to accelerate Xaxis’ and WPP Digital’s growth worldwide.

Dave has over 35 years of experience in media and technology. He finds new ways of making technologies work for marketers – from the early ad networks to search engine marketing, behavioral targeting, and today's opportunity: big data. He founded and led 24/7 Media’s (now Xaxis) growth from start-up to a leader in digital marketing and ad technology. He is a seasoned executive with expertise in all facets of the digital advertising industry. He is a member of the Interactive Advertising Bureau’s (IAB’s) Board of Directors and Executive Committee. Previously the IAB’s Chairman from 2009 to 2011, Dave has been an active member since 2002. He also serves on the boards of DASL and DTSI, which are both joint ventures with Dentsu in Japan and Korea; the Board of Directors of the Advertising Education Foundation (AEF), and on the Board of Directors for Visible Technologies, an industry leading provider of social media monitoring and engagement solutions.

Dave is a triathlete and has run the last 12 NYC Marathons.

George PappachenGeorge Pappachen
Chief Privacy Officer

George Pappachen is Chief Privacy Officer at Kantar/WPP. George is the first to be appointed to this senior position by a leading holding company and advertising agency. George contributes to the development and implementation of comprehensive data strategy by guiding privacy and information governance policy across the Group and he works directly with internal and external clients on related issues. Based in New York, he routinely collaborates with cross-functional teams to advance Group priorities and to establish a culture of respect for consumer data and privacy.

George is a recognized contributor to the rapidly moving industry dialogue on information governance. George has appeared before the US Congress, Federal Trade Commission and presented at numerous public and private sector forums. George draws from extensive prior business experience of working with web publishers, media companies, agencies and advertisers to identify solutions for safe, reliable and accountable data collection and usage. George is also an attorney with broad background and expertise in technology issues and has represented various start-ups and new media operators. George is a graduate of the University of Florida and serves on the boards and committees of several industry and trade organizations.

Randall Rothenberg
President and Chief Executive Officer

Randall Rothenberg is the President and Chief Executive Officer of IAB, the trade association for interactive marketing. IAB represents over 500 leading interactive companies. Its members include Google, Yahoo, Microsoft, AOL, The New York Times, Walt Disney Co., NBC Universal, CBS, Cars.com, Yelp, and scores of other ad-supported digital media companies, which are responsible for selling more than 86 percent of online advertising in the U.S. To support the growth of the interactive advertising and marketing industries, IAB serves as the industry’s public policy and lobbying organization, market and consumer research center, training and development base, and hub for the development of technical standards and operating best practices. IAB has 40 affiliate associations around the world.

Randall led the IAB from 2007 through 2010, and rejoined the association in March 2011, after a stint as Executive Vice President and Chief Digital Officer of Time Inc. Prior to his IAB role, Randall was the Senior Director of Intellectual Capital of Booz Allen Hamilton, the international strategy and technology consulting firm, where he oversaw business development, knowledge management, and thought leadership activities, and directed the award-winning quarterly business magazine strategy+business, Strategy+Business Books, www.strategy-business.com, and other electronic and print publications published by Booz Allen for senior business executives. Previously, he served as the firm’s Chief Marketing Officer.

Prior to Booz Allen, he spent six years at The New York Times, where he was the technology editor and politics editor of the Sunday magazine, the daily advertising columnist, and a media and marketing reporter. For 10 years, he was a marketing and media columnist for Advertising Age, and he continues to blog on the subject at www.randallrothenberg.com. Randall is the author of Where the Suckers Moon: An Advertising Story (Alfred A. Knopf, 1994), a critically-acclaimed chronicle of the birth, evolution, and death of a single advertising campaign.

Mr. Rothenberg received an undergraduate degree in Classics from Princeton and currently lives in New York City.

sp_sears_jayJay Sears
Senior Vice President, Marketplace Development, Rubicon Project
Co-Chair, IAB Advertising Technology Council

Jay Sears is SVP Marketplace Development for the Rubicon Project, working with management, business unit heads and business development across the company to expand Rubicon’s potential market. Sears has also served as GM, REVV Buyer, where he was responsible for global relations with the buy side including ad holding companies, ad agencies, agency trading desks and demand side platforms headquartered in North America.

Prior to joining Rubicon, Sears was General Manager of the PulsePoint Ad Exchange for PulsePoint (FKA ContextWeb, Inc.). At PulsePoint, Sears brought new products to market and drove key strategic relationships resulting in audience and revenue acquisition. Most recently, he focused on the company’s real-time bidding (RTB) initiatives with ad networks, agency trading desks and demand side platforms (DSPs).

Sears joined ContextWeb in 2004 and helped build its media business from inception. He created the company’s original publisher development team and launched the self-service ContextWeb Exchange Selling Desk, in use by over 11,000 web publishers today. He then oversaw the subsequent launch of ContextWeb’s self-service offering for advertisers—the ContextWeb Exchange Buying Desk and its inside sales team. In 2011, ContextWeb merged with Datran Media to form PulsePoint.

Prior to joining ContextWeb in 2004, Sears was SVP Business & Strategy Development for EDGAR Online, where he drove the strategy that took the company from an under $1 million entrepreneurial business to a publicly traded NASDAQ company. He created over 300 partnerships including ones with Yahoo!, The NASDAQ Stock Market and Microsoft. Prior to EDGAR Online, he served as VP Marketing for Wolff New Media, the subject of Burn Rate by Vanity Fair media columnist Michael Wolff.

Sears speaks about internet advertising at various industry events including Advertising Week (New York and London), CannesLions, IAB, iMedia, Monaco Media Forum, OMMA, Search Engine Strategies, UBS, WebmasterWorld and interactive marketing associations including ones in Boston, Chicago and Dallas. He co-chairs the Interactive Advertising Bureau’s Advertising Technology Advisory Board and is the former co-chair of the Ad Networks and Exchanges Committee and helped write its Quality Assurance Guidelines. Sears received the 2009 President Award from The Advertising Club. He is the hyperlocal publisher behind the local media site MyRye.com, provides commentary at JaySears.com and tweets from @jaysears. Sears holds a BA in political science from Kenyon College. He lives in Rye, NY with his wife Lauren Rosen and their three boys.

Philip SmolinPhilip Smolin
General Manager, Platform Solutions

Philip Smolin is the General Manager of Turn's Platform Solutions Group, which was created in 2009 to provide Turn's media optimization technologies to global agency holding companies, independent agencies and direct advertisers. Previously Philip served as Vice President of Product & Marketing for Turn and led product management for the company since its inception in 2005.

Prior to Turn, Philip held product director positions at MatchLogic, Excite@Home and PayChoice, where he developed many of the industry's first 3rd party ad serving platforms, rich media tools and CPM yield management systems for internet portals and top tier publishers. Having specialized in online advertising systems since 1997, he is a recognized industry expert on ad exchanges, behavioral targeting and performance optimization for display advertising. This background, combined with Turn's leadership in the emerging field of Demand Optimization, has made Philip a frequently requested speaker for industry events such as OMMA Global, OMMA Behavioral, OMMA AdNets, iMedia Breakthrough, eM9 and others, and a columnist-at-large for iMedia and other industry trade publications.

Philip holds a bachelor's degree from the University at Buffalo, and an MBA from Columbia University and the Haas School of Business, UC Berkeley.

Rob SopkicRob Sopkic
Director, Network Strategy

Rob Sopkic joined AOL in 2004 and developed the company's first fully integrated sales team. Working from AOL's Canadian headquarters, Rob created a reselling relationship between AOL and its subsidiary Advertising.com, and pioneered the selling of non-reserved network solutions with AOL's owned and operated sites. Today, Rob works out of AOL’s San Francisco office and is responsible for evangelizing AOL's network solutions on the West Coast, while also managing AOL’s partnership with eBay.

Prior to joining AOL, Rob worked at Today's Parent and was tasked with monetizing the magazine's online audience. Within 12 months, TodaysParent.com was generating 1MM+ in annual revenue, and has since become one of the leading parenting resources on the web.

Previously, Rob led Canadian ad serving sales at Engage Inc., an early entrant in the ad network space. Rob also spent four years in media planning and account management at blue-chip agencies including Publicis, BBDO and Ogilvy & Mather. He holds a Bachelor of Arts degree from the University of Toronto, with a double major in Economics and Sociology.

Todd Teresi
Vice President, General Manager, Media Solutions


Kirby WinfieldKirby Winfield
Senior Vice President, Campaign Verification

Kirby Winfield has been a leader in online publishing and advertising since 1996. He is currently the Senior Vice President, Campaign Verification, for comScore (NASDAQ: SCOR). Most recently, Kirby served as President and Chief Executive Officer of AdXpose, which was acquired by comScore in August 2011. Before AdXpose, Kirby operated Ascend Solutions, a consultancy to startups and venture capital firms. Additionally, Kirby was on the founding team and served as General Manager of publishing and content for Marchex (NASDAQ: MCHX), and prior to that, was responsible for all corporate, brand, and product marketing at Go2Net (NASDAQ: GNET).

Kirby was also a Board Director of SharperAgent, LLC, which was acquired by Market Leader (NASDAQ: LEDR) in 2011, and invests in and advises a number of online media startups. Kirby speaks regularly at industry events, and was recently a recipient of the Puget Sound Business Journal’s “40 Under 40” award. He is a passionate supporter of the Global Down Syndrome Foundation and related charities. Kirby attended Middlebury College and received a BA in English in 1996.

Nathan WoodmanNathan Woodman
Managing Director

Before joining Adnetik, Nathan served as Senior Vice President of Havas Digital’s corporate development team where he was responsible for strategic planning. Prior to that, Nathan served in many roles at Havas Digital, ranging from online media buying to data analytics and strategic communications planning. He has received recognition for his work by winning two MPG Innovation Awards, Advertising Age’s Up and Coming Marketer of the Year, Media Week’s Best Media Campaign and a MIMC award for Best Advertising Campaign ROI Measurement.

Nathan began his career at a start-up online advertising venture called HookMedia where he launched the company’s core media planning and search engine capabilities. He also helped develop the company’s ad serving data and integration analysis product, know as Artemis.

Nathan received an MBA from Babson Olin School of Management where he studied Entrepreneurship and Marketing Analytics and was honored as Valedictorian upon graduation. He also holds a BA from Boston College where he double majored in Philosophy and Communications. Currently, Nathan resides in the historic shipbuilding town of Essex, Massachusetts, where his family operates Woodman’s of Essex - the home of the Fried Clam.