Chairman and Chief Executive Officer, Founder
Bryan Sheffield founded Parsley Energy in 2008 and has led the company's rapid growth to date. A third generation oil executive, Mr. Sheffield began his oil and gas career at Pioneer Natural Resources, where he accumulated operational expertise and deep knowledge of the Midland Basin resource base and operator landscape. His understanding of financial markets is enhanced by previous experience trading options and interest rates. Mr. Sheffield graduated from Southern Methodist University in 2001 with a Bachelor of Business Administration in Finance.
President and Chief Operating Officer
Matthew Gallagher joined Parsley in 2010. Prior to joining Parsley Energy, Mr. Gallagher worked for Pioneer Natural Resources from 2005 to 2010. Mr. Gallagher held a variety of engineering roles with Pioneer, including Gulf of Mexico Shelf Reservoir Engineer, Hugoton Reservoir Engineer, and Spraberry Production and Operations Engineer. Additionally, Mr. Gallagher worked as Investor Relations Supervisor while at Pioneer. Mr. Gallagher has a Bachelor of Science in Petroleum Engineering from Colorado School of Mines and is a member of the Permian Basin Society of Petroleum Engineers and the West Texas Geological Society.
Executive Vice President and Chief Financial Officer
Ryan Dalton joined Parsley in early 2012. From 2009 to 2012, Mr. Dalton worked in the restructuring and debt advisory practice of Rothschild, an investment bank and financial advisory firm. Prior to departing to pursue an M.B.A., Mr. Dalton worked as a management consultant at AlixPartners, LP for five years. Mr. Dalton holds a Bachelor in Business Administration in Finance from Southern Methodist University and a Masters in Business Administration from the Darden School of Business at the University of Virginia.
Executive Vice President and General Counsel
Colin Roberts has served as our General Counsel and Secretary since April 2013. For several years prior to joining Parsley, Mr. Roberts practiced corporate law with Alston & Bird LLP. Mr. Roberts earned a Bachelor in Business Administration in Finance and Real Estate Finance from Southern Methodist University and a J.D. from the University of Kentucky College of Law.
SENIOR VICE PRESIDENTS
Senior Vice President - Corporate Development, Co-founder
Mike Hinson joined Parsley in 2009 and has previously served as both Vice President, Corporate Development and Vice President, Land. Prior to joining Parsley, Mr. Hinson worked in land management for Parker and Parsley and Pioneer Natural Resources for 12 years. He has an Associate of Arts degree from Odessa College and a Bachelor of Science degree in Kinesiology from the University of Texas of the Permian Basin. Mr. Hinson is a member of both the Permian Basin Landmen's Association and the American Association of Petroleum Landmen organizations.
Senior Vice President - Geoscience
Thomas Layman joined Parsley as Vice President, Geoscience in March 2014 and has more than thirty years of oil and gas industry experience. From 2006-2014 Mr. Layman was employed by Chesapeake Energy, where he served most recently as Vice President of Southern Division Exploration and was responsible for exploration efforts in the Mid-Continent, Permian, Fort Worth and Gulf Coast Basins. From 1994-2006, Mr. Layman worked for Burlington Resources as Geoscience Manager and from 1987-1994 at Exxon Company USA as a geologist. Mr. Layman started his career in 1981 working on drilling rigs as a mud logger. He holds a M.A. degree in Geology from the University of Texas at Austin and a B.S. degree in Agronomy from the Pennsylvania State University. He is a 30-year member of AAPG and is a Certified Petroleum Geologist. Mr. Layman currently serves on the Geology Foundation Advisory Council at the University of Texas at Austin.
Brad Smith, Ph.D., CFA
Senior Vice President - Corporate Strategy and Investor Relations
Brad Smith joined Parsley in January 2014. Mr. Smith's previous experience includes oil and gas equity research at Credit Suisse, management consulting with PricewaterhouseCoopers, and academic positions at Rice University. Mr. Smith graduated summa cum laude from Baylor University with a Bachelor of Arts in Business Administration and earned a Ph.D. in Sociology from Princeton University.
Senior Vice President - Operations, Co-founder
Paul Treadwell joined us in 2008 after spending 17 years with Parker and Parsley and Pioneer Natural Resources in a variety of operations and management roles. Mr. Treadwell has over 27 years of experience in oil and gas operations. He has an Associate in Applied Science degree from Western Texas College and is a member of the Society of Petroleum Engineers.
Vice President - Security and Risk Management
Mark Brown joined Parsley in 2014 and previously served as the company’s Director of Security. As Vice President, Security and Risk Management, Mr. Brown is responsible for overseeing the security, internal audit, and risk management functions of the company. Prior to joining Parsley, Mr. Brown served as a Special Agent with the United States Secret Service where he investigated consumer and commercial fraud in both domestic and international postings, and coordinated logistics, risk surveys, and protection during his time with the Presidential Protective Division. Previous to the Secret Service Mr. Brown served as an Officer in the U.S. Air Force and received a Bachelor of Science from the University of Texas at San Antonio.
Vice President - Accounting
Cecilia Camarillo joined Parsley in August 2013 and has more than twenty-five years of accounting experience. Prior to joining Parsley Energy, Ms. Camarillo worked for Wagner & Brown, Ltd., Key Energy Services, Inc., and Concho Resources, where she served most recently as Director of Tax. Ms. Camarillo started her career in 1989 working in public accounting for Coopers & Lybrand. She holds a Bachelor of Business Administration in Accounting from West Texas A&M University.
Vice President - Human Resources
Kristin McClure joined Parsley in 2012 and previously served as the company’s Human Resource Director. As Vice President, Human Resources, Ms. McClure manages all human resources functions such as staffing, talent management, compensation, payroll, benefits, employee relations, property management, and training. Prior to joining Parsley, her background includes more than 15 years of professional experience with Blue Cross Blue Shield of Texas and Midland Memorial Hospital. Ms. McClure earned a Bachelor of Science Degree in Psychology from Texas A& M University, holds a Professional in Human Resources certification, and is a member of the Society for Human Resource Management.
Vice President - Engineering
Larry Parnell joined Parsley in July 2016 as Vice President, Engineering with responsibility for all engineering disciplines, operational planning and budgeting, as well as drilling and completion operations. He has more than thirty years of diverse oil and gas experience in Engineering, Operations, Planning and Business Development roles. Prior to joining Parsley Energy, Mr. Parnell served as Senior Vice President, Business Development for Bill Barrett Corporation in Denver. From 2006-2010, he worked for Pioneer Natural Resources and from 2000-2005 with Hess. Mr. Parnell began his career with ARCO (BP) where he worked for sixteen years. He holds a B.S. degree in Petroleum Engineering from Texas A&M University and a Graduate Certificate in Finance from Southern Methodist University. He is a 30-year member of the Society of Petroleum Engineers and previously served on the Advisory Boards for the Western Energy Alliance and the University of Colorado – Global Energy Management Program.
Vice President - Land
Stephanie Reed joined Parsley in 2010 and was named Vice President, Land in 2016. She previously served as Investor Relations Manager. Before joining Parsley Ms. Reed worked for a law practice in various roles as well as working as an independent landman. She holds a Bachelor of Science from Texas Tech University and a Masters in Business Administration from the Rawls College of Business at Texas Tech. Ms. Reed is a member of the Permian Basin Landmen’s Association, the Austin Landmen’s Association and the American Association of Petroleum Landmen organization.
Vice President - Field Operations
Mark Timmons joined Parsley in 2015 as the Company’s Senior Operations Manager. As Vice President, Field Operations, Mr. Timmons is responsible for overseeing the activities of our operations department, including all field operations personnel. Mr. Timmons has over 30 years of oil & gas industry experience in a variety of roles, including experience with production/reservoir/drilling engineering, engineering management, and production/operations management. His previous employers include Texaco E&P, Mesa Petroleum, Dominion E&P, and Pioneer Natural Resources. Mr. Timmons holds a B.S. degree in Petroleum Engineering from Texas Tech University. He is a licensed Professional Engineer in the State of Texas and is a Lifetime Member of the Society of Petroleum Engineers.