adMarketplace is the largest consumer search technology company outside of the major engines. We provide search marketing integrations for trusted mobile apps, browsers, browser applications, and consumer sites to connect consumers to top brands at the moment they express decision-making intent.










We are dedicated to improving the search experience for publishers, advertisers, and consumers. With 20 years of search marketing expertise and innovative consumer search technology, our goal is to add value to every search.



Jamie Hill

Chairman &
Chief Executive Officer

adMarketplace was founded by Jamie in March of 2000. Jamie's primary duties as Chairman and CEO include setting the overall strategy, direction, and vision for adMarketplace. Prior to adMarketplace, he was an executive at CBS Broadcasting. Before joining CBS, Jamie worked at Telerep and was responsible for developing marketing strategies for Fortune 500 advertisers. Jamie is a proud University of Southern California Trojan.


Adam Epstein

President &
Chief Operating Officer

Adam joined adMarketplace in November 2003 and became President & COO in June 2006. He is responsible for managing day-to-day business operations. Prior to joining adMarketplace, Adam launched Fancast.com. Before becoming an Internet entrepreneur, Adam clerked for a US District Court judge and was an attorney at Schulte Roth & Zabel LLP in New York. Adam graduated from Columbia University and the University of Michigan Law School. He lives in New Jersey with his wife and four children.


Michael E. Yudin

Chief Technology Officer
& Chief Product Officer

Mike joined adMarketplace in October 2007 from SmartyAds, a pay-per-click advertising company he founded. Mike has 20 years of engineering experience and led product development teams at Ubique, one of the very first successful internet startups, and AOL. Mike received a Masters in Computer Science from the Weizmann Institute of Science in Israel, and is an expert on information theory, data retrieval, cryptography and efficient algorithms.


Paul Lentz

Senior Vice President
of Publisher Development

Paul leads our Publisher Development team, working to engage and expand our global network of websites, applications and browser extensions with meaningful search revenue. He joined adMarketplace in July 2018 after scaling the publisher network for ShareThis for over six years. Prior to that, Paul had roles in operations, product and business development for CBS Interactive and CNET. He lives in Manhattan with his wife and three sons.


Chris Lehman

Senior Vice President
of Sales

Chris is responsible for managing our sales team. He joined adMarketplace in 2010, and has been a key member of the sales team for five years. Most recently, Chris was responsible for forging and maintaining adMarketplace's agency relationships across the four major holding companies. As VP of Sales, Chris leads sales growth, training, and strategic partnerships. He is an avid traveler and loves the beach.


Jeff Ratner

Senior Vice President
Agency Partnerships

Jeff oversees adMarketplace’s agency growth strategy and is responsible for expanding agency relationships and offerings. Most recently he served as Chief Media Officer of iCrossing where he directed strategy and implementation of integrated media efforts across Search, Social, Display and Video across North America. He brings 20+ years of expertise, thought leadership and innovation to the team. He enjoys spending time with his wife and two daughters down the Jersey shore.


Lonnie Klein

Vice President
Talent Acquisition

Lonnie is in charge of executive recruiting and overall talent acquisition strategy. He returned to adMarketplace in 2018 after taking three years to run his own executive search consultancy. He has held senior positions at two boutique executive search firms, leading VP to C-level searches within the digital media, tech, entertainment and sports industries. Prior to a career in recruitment, Lonnie was a TV Producer for a variety of broadcast networks. Lonnie lives in Westchester with his wife and two daughters.


Chang Gao

Vice President
Finance & Operation

Chang is responsible for the financial health of adMarketplace and growing the company's enterprise value. He brings extensive operating experience from high-growth startups and Fortune 500 corporations. Previously, Chang was head of finance at a digital publisher and built the strategic finance function at Groundtruth (xAd), which he helped scale to pre-IPO stage. Chang started his career in finance at UBS. He earned an MBA from NYU Stern and a BBA from UMass Amherst. Outside the office, you may find Chang shooting street photography for his Instagram (@changgaophotog).


Norbert Tamas

Vice President
of Engineering

Norbert is responsible for overseeing engineering and execution on adMarketplace’s platform. Norbert joined adMarketplace in October of 2008 as a Junior Engineer. Throughout his career, he has led numerous engineering and development projects, and he has occupied various important tech side roles including project lead, technical manager, director of engineering, and now VP of Engineering. Norbert holds a BS in Computer Science from Sapientia Hungarian University of Transylvania and a Masters of Science in Information Technology from Touro College. He enjoys traveling and learning about new technology.


Sam Pitt

Vice President
Strategic Partnerships - EMEA

Sam leads adMarketplace’s European operations, overseeing advertiser growth and publisher development. Prior to joining adMarketplace in 2019, he was the Regional Managing Partner at Universal McCann, where he oversaw key global accounts and drove new business growth. Sam is based in London and has 20 years experience working at some of the world’s leading media agencies. Outside of work he’s a sports nut – something he’s attempting to indoctrinate into his two young children.


Shalyn O'Malley

Senior Director,

Shalyn oversees the Marketing team, responsible for adMarketplace's brand strategy and communications. The team is dedicated to the creation of innovative sales tools, event activations, and impactful content distribution. Prior to joining the team, Shalyn led Marketing for DISH Media, the advertising sales division of DISH and Sling TV. She currently resides in Jersey City, where she seeks out the best local live music and places to watch her Boston sports teams.


Emily Cianciosi

Campaign Management

Emily leads the Campaign Management team, which is responsible for campaign execution and success. She joined adMarketplace in 2016, after 4 years at True Media where she ran Search & Display campaigns for a national hospital corporation. In her spare time she enjoys going to comedy shows, seeing live music, and discovering new restaurants.

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