Patrick A. Redalen joined Stonehenge Energy Resources, L.P. in 2010, and helped execute the successful Keystone Project. He now serves as President of Stonehenge Energy Resources II, L.P. In 2015 and 2017 respectively, Stonehenge Appalachia, LLC and Stonehenge Laurel Gathering, LLC were formed to gather and compress natural gas in western Pennsylvania.

Mr. Redalen has more than 30 years of experience in the petroleum industry. Prior to Stonehenge, he started and ran a consulting firm, Energy Business Solutions, LLC, for three years. He served five years, the last two as President, at Pearl Development Company, LLC, a midstream engineering firm, and 14 years at Conoco. His responsibilities spanned commercial, strategic planning and engineering aspects across the petroleum spectrum from wellhead to retail.

Mr. Redalen received his B.S. in Chemical Engineering from the University of Arkansas. He completed Conoco’s Management Development Program.


Heather A. Wilkinson joined Stonehenge Energy Resources II, L.P. in 2015. Her past responsibilities included project management for all Stonehenge construction projects, along with managing Stonehenge’s planning and land functions. Currently, she is developing new business around Stonehenge’s existing assets in western Pennsylvania as part of her responsibility for the Appalachia region.

Prior to joining Stonehenge, Ms. Wilkinson worked with Tetra Tech Rooney as a Project Engineer for the Sunoco Logistics Mariner East Phase I and Phase II Projects. She also worked as a Project Manager with Halker Consulting, LLC and as a Systems Engineer with Lockheed Martin Space Systems Company.

Ms. Wilkinson received her B.S. in Biological Systems Engineering, graduating with Honors, from the University of Nebraska in 1999. She was also certified as a Project Management Professional in 2013.


John J. Ha joined Stonehenge Energy Resources II, L.P. in 2018. He is responsible for sourcing potential investments and developing new midstream projects.

Mr. Ha has more than 20 years of experience in the energy industry, primarily in midstream businesses, both liquids and gas, including engineering, commercial and management responsibilities. Prior to Stonehenge, he served in a variety of leadership roles at Williams Companies, Tri-State Industrial Group and HRB Consultants.

Mr. Ha received his B.S. in Mechanical Engineering and an MBA from Oklahoma State University. He has a number of certifications, including Certified Reliability and Maintenance Professional.


Scott R. Casarez joined Stonehenge Energy Resources II, L.P. in 2018. He is responsible for the accounting and financial functions of Stonehenge.

Mr. Casarez began his career in public accounting, working at Hein & Associates LLP from 2009 to 2017, serving as a lead auditor for both publicly-traded and privately-held entities within the energy industry. Prior to joining Stonehenge, Mr. Casarez worked as a Senior Auditor for Trimble Inc.

Mr. Casarez earned a Master of Science in Business Administration in Financial Accounting from the University of Colorado at Boulder in 2009. He has held his CPA license since 2010.