Fredrick Marckini is the founder and formerly the CEO of iProspect, the original search engine marketing firm in the United States. Established in 1996 as the nation's first SEM-only firm, iProspect provides services that maximize online sales and marketing ROI through natural SEO, PPC advertising management, paid inclusion management, and Web analytics services.

Fredrick is currently the chief global search officer of Isobar, the parent company of iProspect where he and his Worldwide Search Team are extending the iProspect brand into international markets. Fredrick and his team have launched 15 international offices in Europe, Eastern Europe, Asia and North America to date.

Fredrick is recognized as a leading expert in the field of SEM and has authored three of the SEM industry's most respected books: Secrets To Achieving Top-10 Positions (1997), Achieving Top-10 Rankings in Internet Search Engines (1998), and Search Engine Positioning (2001, considered by most to be the industry bible). Considered a pioneer of SEM, Frederick was named to the "Top 100 Marketers" in 2005, 2006, and 2007 list(s) from BtoB Magazine and was listed in BtoB's "Who's Who in Search" in 2007.

Fredrick is a frequent speaker at industry conferences around the country, including Search Engine Strategies, ad:tech, Frost & Sullivan, and the eMarketing Association. In addition to ClickZ columns, he has written bylined articles for Search Engine Watch, BtoB Magazine, CMO Magazine, and numerous other publications. He has been interviewed and profiled in a variety of media outlets, including The Wall Street Journal, BusinessWeek, The New York Times, The Washington Post, Financial Times, Investor's Business Daily, Internet Retailer, and National Public Radio.

Fredrick serves on the board for the Ad Club of Boston and was a founding board member of the Search Engine Marketing Professional Organization (SEMPO).