Michael J. MauceliChief Executive Officer
Mike Mauceli is the founder and Chief Executive Officer of Reef Oil and Gas Companies. In his 26+ years as CEO, Mike has led the growth of the organization from a three full-time employee start-up company in 1987 to a much larger oil and gas production and property acquisition company today. Now serving the investment needs of thousands of oil and gas investors across the United States, Mike’s vision and business acumen has made him one of the most influential CEO’s in the oil and gas investor community. With Mike’s leadership and determination, Reef will continue to offer energy investment opportunities that will have the potential to generate successful results.
Dan SibleyChief Financial Officer and General Counsel
Dan Sibley, Reef’s Chief Financial Officer and General Counsel has more than 35 years of experience dealing with financial, tax and legal matters. Since joining Reef in 1998, Dan’s wealth of knowledge and experience has been utilized for investments and operations in oil and gas acquisition, and domestic and international energy development activities. Prior to 1998, Dan was involved in the private practice of law.
David TierneyChief Financial Reporting Officer and Treasurer
David Tierney, Chief Financial Reporting Officer and Treasurer, has been with Reef since 2001. David has held positions as Treasurer, Chief Accounting Officer and Controller. David has also done work in public accounting and has worked in the oil and gas industry since 1979. Prior to Reef, David served as controller/treasurer of an independent oil and gas exploration company from 1992 through 2000.