David Szekeres has been appointed chief business officer and general counsel at Regulus Therapeutics, Inc. Mr. Szekeres will be responsible for leading business development, strategic planning and legal efforts, and will serve as a key member of its executive leadership team.   Most recently, Mr. Szekeres served as deputy general counsel, chief M&A counsel and assistant secretary at Life Technologies Corp., where he led more than fifty transactions valued at more than $30 billion, including ...