Didit’s executive team offers capabilities and creativity unmatched by any search engine marketing agency. Meet them here:

Dave Pasternack

Dave Pasternack, CEO and Co-Founder

Dave co-founded Didit with Kevin Lee in 1996. Prior to this, he launched the United States Information Corporation, which became one of the largest electronic publishers of Federal Government bidding and contract information in the United States.

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Dave’s first technological direct marketing company, Logicsoft, was founded in 1980 and was named by Inc. Magazine as the 4th fastest growing private company of 1984. Dave earned his MBA from New York University.A devoted golfer, he lives with his family in Long Island.

Kevin Lee

Kevin Lee, Chairman & Co-Founder

From co-founding the company in 1996 to his election as SEMPO Chair, the Search Engine Marketing Professional Organization, in 2005, Kevin Lee has shaped both Didit and the entire search engine marketing field.

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As author of the seminal work on search strategy, Search Engine Secrets; a weekly columnist for the search engine news source ClickZ; and a frequent contributor to Catalog Age, Kevin’s influential views on Search Engine Marketing have been read by thousands.He is regularly quoted by the Wall St. Journal, Business Week, The New York Times, CNET, USA Today, San Jose Mercury News, DMNews and Catalog Age, and lectures widely throughout the United States.Additionally, Kevin is the author of several books on Search Marketing, including Search Engine Advertising, (New Riders Press, 2009, with Catherine Seda), The Truth About Pay-Per-Click Search Advertising, (FT Press, 2009), and The Eyes Have It: How to Market in an Age of Divergent Consumers, Media Chaos and Advertising Anarchy , (Easton Studio Press, 2007, with Steve Baldwin).Kevin sits on the Search Council for the Association for Interactive Marketing and the IAB Search Committee. He came to search marketing from a successful career in the traditional advertising world. After receiving his MBA from Yale School of Management, Kevin held positions at McCann-Erickson, and then at JWT, before co-founding Didit with CEO David Pasternack. He enjoys cycling and skiing on the weekends and lives with his family in Manhattan.

 Mark Simon

Mark Simon, Executive Vice President

Mark is responsible for all business opportunities, M&A strategies, client acquisitions, and public relations functions at Didit. He leads all initiatives where digital is used to support traditional services, and launches all new marketing programs to stimulate interest and leads for the Didit business development team.

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Mark has served actively within industry organizations and holds the position of co-chair of the IAB Search Evangelism Committee as well as being on the Shop.org member services committee and the DMA Research Forum Panel. Mark came to Didit in 2004 as Director of Sales, during which time he formed many of Didit’s most valuable client relationships and he was instrumental in shaping the Sales-to-Client Services transitioning model. Prior to joining Didit, Mark was co-owner and Vice President of SLS Sales Consultants, a regional distributor for orthopedic device manufacturer Wright Medical Technology. Under Mark’s leadership, SLS increased revenue 11-fold, and moved from number ten to Wright’s top ranked distributor in America, finally going public in 2001.An avid runner, golfer and photography enthusiast, Mark lives in Westchester, NY with his wife Debbie. He also holds a Certificate in Diamond Grading from the Gemological Institute of America.

Heidi Zafran

Heidi Zafran, Vice President of Human Resources

In this role, Heidi is responsible for attracting and retaining the type of superior talent that Didit needs to service the most complex campaigns in the industry and maintain its position as a growing, cutting-edge business.

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Heidi came to Didit from Hudson, a global staffing and solutions firm, where she was also Director of HR. Prior to Hudson, Heidi spent most of her career at Grey Worldwide (now part of the WPP group) where she was Vice President of Human Resources.Heidi has a BA in Communications and Masters in Education. She enjoys movies, the theater and pop culture. She resides on Long Island with her husband and son.

 John Virgil

John Virgil, Vice President, Technology

John started working for Didit in 2000 as a key member of the software engineering team, charged with the design and development of the original Maestro system.

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Subsequently, he made the decision to become a Sales Engineer, where he worked with the Sales and Client Services Departments on technology-related issues. In his current role he uses his vast experience with the company to solve issues with processes, improve the use of Maestro, and improve our internal communications system.Prior to joining Didit, John worked at The Nut Basket, Inc., where he helped build an automated system to monitor warehouse inventory levels.When not working, John loves to squeeze in a round of golf, spend time with his family, and do artwork.

 Renee Marquardt

Renee Marquardt, Senior Vice President, Client Services

Renee has been a member of the Didit team since 2005. In her current role, Renee applies her keen sense of detail and strong organizational skills to the overall department management as well as relationship management to our marquee clients.

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As the leader of the largest department within Didit, Renee ensures the inter-departmental integration within the company is top priority.Prior to joining Didit, Renee held various positions within Client Services at direct marketing leaders, Rapp Collins Worldwide (9+ years) and Wunderman Cato Johnson (3 years). She had the opportunity to lend her expertise for numerous accounts including, Mercedes Benz USA, Delta Air Lines, Discovery Travel, Procter and Gamble, Wyndham Hotels and Resorts, Radio Shack, a deregulated energy start-up, The NewPower Company and American Express.Renee attended Adelphi University earning a Bachelor in Business Administration with a concentration in Marketing. She currently resides in Rockville Centre, NY with her husband and three children.


Cecilia Calvao-Fernandes, Controller

Cecilia Calvao-Fernandes began working for Didit in 2001 while employed at Medical Arts Office Services, a firm she’d been at for more than ten years, holding numerous roles in its Finance Department.

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She joined Didit as a full-time employee in 2005. Cecilia grew up in Mineola, New York, and current resides in Selden with her family.