Throughout his career, David’s professional life and, more recently, his entrepreneurial life have focused on mergers and acquisitions. His credentials include being both a CPA and an attorney. He has played the lead advisory role in closing over 150 transactions worth over one billion dollars. In 2001, David opened his own investment banking firm, D.W. Hammer & Company, Inc. The firm specializes in middle market mergers and acquisitions and represents sellers and buyers in transactions up to 100 million dollars. In addition to Biz Owners Ed, David is a founder of Professional Partners International, a non-profit corporation teaching principles of entrepreneurship to business owners in China. He was also named by Dallas Business Journal in 2009 as a "Dealmaker of the Year." David's Bachelor of Business Administration and Doctor of Jurisprudence degrees are from Texas Tech University.