upon a single source . relevant discussion may be found on the talk page . please help improve this article by introducing citations to additional sources . july 2011 strata type publicly held company industry advertising founded 1984 headquarters chicago illinois united states key people joy baer president products media buying selling software number of employees 240 2015 website www.gotostrata.com strata marketing inc. is a chicago illinois based software company involved in connecting media buyers and sellers . it is owned by comcast . 1 as of 2010 it processes about 50 billion worth of media buys annually . 2 contents 1 history 2 software 3 references 4 external links history edit strata was founded in 1983 by roger skolnik phd an adjunct professor at the university of illinois at chicago . strata originally developed tools for radio stations to use in interpreting and understanding arbitron radio surveys 3 growing out of skolnik s initial effort in this area media service concepts . strata marketing inc. was founded circa 1986 initially working predominately in the radio industry . it was acquired by comcast in 2005 . strata purchased the custom development company spot buy spot sbs in 2007 . software edit for agency clients strata provides a suite of tools for planning buying stewardship optimization and billing across all forms of media including tv cable radio print digital and outdoor . references edit mandese joe october 20 2009 . strata strives for new one in branding effort wants to bring order to media chaos . media daily news . mediapost . mandese joe february 18 2010 . mediabank strata unveil new digital media buying apps . media daily news . mediapost . roger skolnik radio exec . chicago tribune . november 7 1994 . external links edit strata official site retrieved from https en.wikipedia.org w index.php title strata company & oldid 743337213 categories companies based in chicagocompanies established in the 1980ssoftware companies based in illinoishidden categories articles needing additional references from july 2011all articles needing additional references navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages add links this page was last modified on 9 october 2016 at 05 01 . text is available under the creative commons attribution sharealike license ; additional terms may apply . by using this site you agree to the terms of use and privacy policy . wikipedia is a registered trademark of the wikimedia foundation inc. a non profit organization . privacy policy about wikipedia disclaimers contact wikipedia developers cookie statement mobile view