Formed in 2003 by veteran M & A bankers David Adler and Michael Levy , Paragon Capital Partners is a merchant banking firm that provides a full range of investment banking services in connection with mergers and acquisitions , divestitures , exclusive sales , financings , private placements and bankruptcy-related transactions . Paragon is committed to providing top-tier M & A and financing capabilities , dedicated senior level attention , deep industry experience and a focus on execution excellence . Paragon is currently serving as a financial advisor to Thinkorswim Group , Inc. in connection with its proposed sale for $ 606 million to TD AMERITRADE . Additional information about Paragon can be found at www.ParagonCP.com.