Dallas-based Zion Oil & Gas has announced that Kent Segal, the company’s lead director and a member of the audit and compensation committees, will also assume the full-time role of chief financial officer. He replaces Sandra Green, who resigned her job in what Zion describes as a mutual and amicable agreement.

Jaclyn Jaeger is a freelance contributor to Compliance Week after working for the company for 15 years. She writes on a wide variety of topics, including ethics and compliance, risk management, legal,...