BLACKSTONE DILWORTH, President, Owner and Chairman of the Board


Mr. Dilworth began his career as a cattle rancher. Having grown up on a ranch in South Texas, Mr. Dilworth has been exposed to many aspects of the oil and gas industry. Although ranching continues to be one of his primary ventures, Mr. Dilworth has established and maintains ventures in a variety of other industries, including oil and gas, multi-use real estate development, and communication tower development.  More


PAUL DIRKS, General Manager of the Dilworth Group of Companies


Mr. Dirks has been Vice President and General Manager of the Dilworth Group since June, 1991. Mr. Dirks oversees all major functions of the operation, including establishment of company policy, selection and development of business opportunities, and control of major operational expenditures. In addition, Mr. Dirks has responsibility for the performance of all supervisory personnel.  More


Larry Aduddell, Vice President of Exploration


Mr. Aduddell graduated from Texas A & I University, Kingsville, Texas with a Bachelors of Science in Geology and a minor in Biology. Mr. Aduddell joined San Isidro in 2011 as Vice President of Exploration. More


John P. McBroom, Vice President of Land and Acquisitions


Mr. John P. (Rick) McBroom graduated from the University of Texas in Austin in 1979 with a BBA in Petroleum Land Management. Mr. McBroom joined San Isidro in 2011 as Vice President of Land and Acquisitions. More


Bryan L. Allison, Engineering and Operations


Mr. Allison was born and raised in Alice, Texas. He received his Bachelor of Science, Mechanical Engineering from Texas Tech University in 1986 and his Masters of Business Administration in 1988 from Texas A&M University. San Isidro was one of Mr. Allison’s first consulting clients and he has been responsible for San Isidro’s engineering and operations since 2009. More


Laura Rothlisberger, Chief Financial Officer


As the Chief Financial Officer of the company, Laura manages all accounting functions of the company, including revenue distribution, joint interest billing, financial reporting, payroll, insurance, accounts payable and receivable.  She joined San Isidro Development Company, L C in 2004 and has been involved with the development, expansion and growth of San Isidro.  She graduated from Texas A&M Corpus Christi in 1987 with a Bachelor of Business Administration degree in finance and she is also a certified teacher with the state of Texas.  Prior to joining San Isidro Development she worked in the lending department of First National Bank, served as the Business Manager for Beeville Independent School District, and was office manager for a small independent oil and gas service company.


San Isidro Development Company, L.C.

500 N Shoreline Blvd Suite #1005 Corpus Christi, TX 78401



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