oil and natural gas founded 1998 1 founder s. wil vanloh jr. toby neugebauer headquarters 1401 mckinney street 1 houston texas us key people s. wil vanloh jr. chairman ceo & president website quantumep.com quantum energy partners is a houston texas based private equity and venture capital firm focused on oil and natural gas . history edit the company was co founded by s. wil vanloh jr. and toby neugebauer in 1998 . 1 it is headquartered in houston with offices in lubbock texas and albany texas . 1 by december 2007 alongside the carlyle group lime rock partners and riverstone holdings quantum energy partners had invested us 460 million among themselves in vantage energy a natural gas exploration company . 2 from august 2011 to october 2013 the company invested in jack d. hightower s bluestem energy holdings . 3 the company was a founding investor in linn energy an oil and natural gas corporation . 4 in march 2015 it invested another us 1 billion in the corporation . 4 references edit a b c d quantum energy partners . bloomberg business . retrieved october 24 2015 . fuquay jim august 25 2008 . shhhhhhhhh we ve got big news . fort worth star telegram . retrieved october 24 2015 . shieber jonathan october 4 2013 . quantum energy quietly merges bluestem energy with rio oil . the wall street journal . retrieved october 24 2015 . a b dulvaney chelsey march 24 2015 . linn energy partnering with private equity firm quantum to fund deals . the wall street journal . retrieved october 24 2015 . this texas related article is a stub . you can help wikipedia by expanding it . v t e retrieved from https en.wikipedia.org w index.php title quantum energy partners & oldid 743465959 categories energy companies of the united statesventure capital firms of the united statescompanies based in houstonenergy companies established in 1998non renewable resource companies established in 1998private equity firms of the united statestexas stubshidden categories all stub articles 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 19 55 . 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