Ballard Spahr The U.S. law firm with 14 offices has added Louis Dienes, an attorney with more than two decades of experience handling mergers and acquisitions in technology and other growth industries. Dienes will be a member of the firm’s business and finance department and its mergers and acquisitions/private equity group, working in San Diego and Los Angeles. His experience includes representing clients in more than $10 billion of concluded mergers, acquisitions and divestitures, including domestic and cross-border stock and asset transactions, and buyers and sellers of assets in foreclosures, bankruptcies and receiverships. He has also served as U.S. co-counsel in similar foreign deals. Dienes has also advised private investor groups and angel investors, and has represented businesses, investment banks and investors in more than 150 private offerings of securities, including preferred stock and convertible debt offerings, and offerings of partnership and limited liability company interests.