 MCKINNEY, Texas--BUSINESS WIRE--Independent Bank Group, Inc. NASDAQ: IBTX, the parent company of Independent Financial, today announced the promotion of Paul B. Langdale to Executive Vice President, Corporate Development Strategy effective October 1, 2021. In his expanded role, Mr. Langdale will be responsible for overseeing enterprise-wide strategic planning, identification and evaluation of prospective mergers and acquisitions, strategic partnershipsinvestments, and investor relati 