Values

Prior to joining Greenlake Energy, Mr. De Fex was hired by Schlumberger to work as Field Stimulation Engineer in Longview, TX, which was one of the largest frac. districts in the world. At SLB, he was able to grow professionally and personally, with assignments in LVX for almost 2 years, 5 years in Colombia, 2 years in Brazil, and finally in Midland, TX. Mr. De Fex was exposed to multiple challenges that required different approaches technically, logistically, resources and economic conditions, through different roles as field engineer, sales, and country manager. Then, after more than 9 years at Schlumberger, he was invited to join Parsley Energy as a frac. superintendent in October of 2014.

Here a new incredible story developed, by joining a small team on a pure vertical development program, to a full horizontal program with up to 17 rigs in 18 months. Mr. De Fex was able to enjoy the growth of the company in parallel with his own professional growth from superintendent, to engineering roles, until finally becoming senior completions’ manager after nearly 6.5 years. During this time, the program experienced a quick learning curve that led us to be a part of one of the most successful teams in the industry with an excellent safety record, high note performances and efficiencies, and a competitive budget that rivaled at the top of the Permian Basin.

After a quick period of transitioning, Mr. De Fex started working for Greenlake Energy, in late August of 2021, as Completions Engineer for the company. He has been enjoying every minute of it, being a part of something that has enormous potential, with high quality people, and great objectives for the company and the industry.

Mr. De Fex earned his Bachelor of Science in Chemical Engineering at the University of South Florida.

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Prior to joining Greenlake Energy, Ms. Roach served as the Accounting Manager at Parsley Energy, specializing in managing treasury operations, accounts payable, and various aspects of general accounting. Her commitment to accuracy and attention to detail ensured the smooth operation of financial processes, contributing to the company's success. Ms. Roach is a highly experienced Certified Public Accountant (CPA) with over a decade of dedicated service in the Oil & Gas industry. Her extensive background in accounting practices has made her a valuable asset to the field.

Born and raised in Austin, Texas, Ms. Roach has a deep appreciation for the rich culture and heritage of her hometown. She takes great joy in exploring both the historical and modern aspects of the city and its surrounding areas, constantly seeking new experiences and adventures.

Beyond her professional expertise, Ms. Roach is known for her compassionate nature and dedication to animal welfare. She is deeply passionate about supporting the Pug Rescue of Austin, where she actively fosters dogs in need until they find loving forever homes.

Ms. Roach earned her Master of Accountancy from Texas State University.

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Prior to joining Greenlake Energy, Mr. Livasy began his journey at Pioneer Natural Resources following the 2020 acquisition of Parsley Energy. In his roles as a Reservoir Engineer and Completions Optimization Engineer, he worked in both the Delaware and Midland Basins.

During his time at Parsley Energy, starting in 2017, Mr. Livasy focused on value optimization of geologically challenging assets and developed a robust methodology for resource booking of PUDs, highlighting his analytical approach and strategic thinking.

Mr. Livasy gained early industry exposure through the New Grad program at Nexen Petroleum, later acquired by CNOOC, where he gained invaluable experience in shelf and deep-water Gulf of Mexico operations.

In addition to his technical contributions, Mr. Livasy is a proactive advocate for fostering vibrant company cultures and impactful networking. He has demonstrated his commitment to these ideals through his leadership roles in Austin's SPE Chapter, Pioneer's OnePioneer program, and Parsley's FUN Committee.

Apart from his professional pursuits, Mr. Livasy is an avid tennis player with a passion for trivia. He holds a Bachelor of Science in Petroleum Engineering and Mathematics from The University of Texas at Austin.

Prior to joining Greenlake Energy, Ms. Manzutto built a successful career in land development and construction. She is our dedicated executive assistant, a professional with a rich and diverse background.

Throughout her career, Ms. Manzutto has held key roles in real estate and luxury leasing, construction inspections, and project management. All under the guise of an executive assistant. Her versatility and adaptability have allowed her to excel in each field she ventured into, leaving her mark on numerous designs and developments in and around Austin, Texas.

She received an Associate of Arts in Business Administration and then continued her academic pursuits at the University of Texas at El Paso. There, she earned a Bachelor of Arts in English with a minor in Legal Reasoning, and a Master of Arts in Professional Writing and Rhetoric, demonstrating her passion for effective communication and language.

Now, as an integral part of the Greenlake Energy team, Ms. Manzutto has embraced the exciting challenge of learning about the intricacies of the Oil & Gas industry and looks forward to contributing her skills and expertise to Greenlake Energy's mission and helping the company achieve its goals in the dynamic world of energy.

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Prior to Greenlake Energy, Mr. Rigsby's journey in the industry began in Denver, Colorado with the Smith Bits division of Schlumberger where he cultivated his foundation knowledge of drilling dynamics & bit design. His passion for drilling then took him to the operator side, where he spent the next 2 years with Jagged Peak Energy working on the rigs as a wellsite manager, gaining invaluable hands-on experience in the field.

Mr. Rigsby's commitment to excellence led him to transition to an office-based role, where he continued to make a significant impact on operational performance. Over the years, he has worked with various Delaware Basin operators, including Parsley Energy, and Ameredev.

Mr. Rigsby is a seasoned drilling engineer with over 8 years of experience in the Oil& Gas industry. He has spent the last 7 years specializing in drilling operations in the Delaware Basin, showcasing his deep expertise in this prolific region.

His unique blend of technical expertise and practical field experience has made him a trusted leader in the drilling industry. His dedication to innovation and safety has contributed to the success of numerous drilling projects. Mr. Rigsby holds a Bachelor of Science in Industrial & Systems Engineering from Texas A&M University.

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Prior to joining Greenlake Energy, Ms. Pemelton held engineering and leadership roles at Pioneer Natural Resources in both the Midland and Delaware Basin. She initiated her career at Parsley Energy, where she gained diverse experience by rotating through various engineering positions, including reservoir, completions, production, and water midstream.

Ms. Pemelton holds a Bachelor of Science in Petroleum Engineering.

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Prior to joining Greenlake Energy, Mr. Fore worked in business development at Brigham Minerals. Prior to that, he held various land roles at Parsley Energy, where he specialized in leasing, acquisitions, and non-operated assets.

Before his tenure at Parsley Energy,  Mr. Fore worked for a broker in Midland, TX, specializing in title research and lease negotiations.

Jacob holds a Bachelor of Business Administration in Energy Commerce from Texas Tech University.

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Prior to joining Greenlake Energy, James Casanova, also known as "Nova," embarked on his career with Parsley Energy in 2017. He gained exceptional technical experience through various roles in accounting and asset development. During his tenure as a Reservoir Engineering Technician, he provided support to both the Midland and Delaware Basin teams by managing databases, constructing dynamic dashboards, and conducting PDP surveillance. His commitment to technical excellence led him to transition into the role of a Reservoir Engineer, where he focused on optimizing Parsley's position in the City of Midland.

Mr. Casanova further expanded his expertise by delving into development strategy and resource management in the Midland Basin, serving as an engineer for TRP Energy. In this capacity, he honed his proficiency in acquisitions and divestitures (A&D) by evaluating M&A opportunities across multiple basins.

James Casanova holds a Bachelor of Science in Petroleum Engineering from The University of Texas at Austin.

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Prior to joining Greenlake Energy, Ms. Cline was the Acquisition Manager at Caddo Minerals and prior to that held various land roles at Parsley Energy, the most notable being management of the Parsley Minerals portfolio.  Prior to joining Parsley, she wrote international and domestic crude contracts for a large refining company in San Antonio, TX.  Before her time in the refining industry, Ms. Cline worked for ConocoPhillips after graduating from the University of Oklahoma with a Bachelor of Business Administration in Energy Management.

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Prior to Greenlake Energy, Mr. Sanchez held the role as Operations Manager - Permian Region for Baseline Energy Services responsible for operational excellence, regulatory compliance, and field safety programs.  Prior to Baseline Energy, he served as the gas department superintendent at Parsley Energy. He proved to be instrumental in continuous improvement initiatives including optimizing field workflows, best practice compliance standards and emission management strategies.  His dedication and collaborative approach have been instrumental in delivering peer leading performance.  Mr. Sanchez’s role at Parsley was heavily influenced after serving over a decade in diverse team and management roles at Pioneer Natural Resources.  Prior to Pioneer, he worked for Cap Rock Energy in powerline distribution for 5 years and proudly assisted in hurricane Rita restoration efforts before moving into the Oil & Gas industry.  Mr. Sanchez brings a combined 20 years of multi-discipline, upstream experience and is excited to be an integral part of the Greenlake Energy team.

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Prior to joining Greenlake Energy, Ryan Nelson worked with the team at Parsley Energy in the IT department, where he played a crucial role in supporting all production operations and managing the integration of technical systems during M&A events. Prior to his tenure at Parsley Energy, Mr. Nelson launched his career in the energy sector at Drilling Info, where he held various positions within the Geographic Information Systems (GIS) group.

Mr. Nelson serves as the Technology Specialist at Greenlake Energy, responsible for overseeing a wide range of IT-related tasks. His primary focus revolves around consolidating and aggregating data to empower Greenlake in making informed and strategic decisions based on operational information. He also assumes a multifaceted role and is responsible for a broad spectrum of IT functions. He earned his Bachelor of Arts in Geography with a focus in GIS from the University of Texas.

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Prior to joining Greenlake Energy, Mr. Simmons served as a Reservoir Technology Petrophysicist at Parsley Energy, where he held responsibility for companywide subsurface analysis, hydraulic fracture modeling, DFIT analyses, and operational optimization. Additionally, Mr. Simmons played a key role in business development analyses during acquisitions and divestitures. He oversaw log and core data collection across Parsley's assets in the Midland and Delaware Basins and was responsible for integrating collected datasets into the corporate subsurface model.

Before joining Parsley in 2014, Mr. Simmons worked for Statoil DPNA UON Bakken Asset, based in Austin, Texas, where he served as an Operations/Development Geologist. In this role, he was responsible for horizontal well developments in Mountrail, Williams, and McKenzie counties.

Mr. Simmons holds a Bachelor of Science in Geology with a minor in Geophysics from the University of Houston, a Master of Science in Geoscience with a focus on Geochemistry from the University of Houston, and a postgraduate certification in Data Science from the University of Texas at Austin.

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Steve Austin, aka the Lion of the Serengeti, has had quite the life in his 13 years roaming the earth. From his days in Mexico as emotional support animal, numero uno for El Chapo himself, to his walkabout in the deserts of South Texas, to the now retired life of belly rubs and midday naps in Austin--Steve has seen it all. Likes: attention, dental treats, cardigans. Dislikes: loud noises, puppies, and all other forms of competition for attention

Prior to joining Greenlake Energy, Mr. Gallaway served in various roles at Parsley Energy and ConocoPhillips, primarily focusing on L48 revenue and property accounting, after he joined Greenlake Energy in the fall of 2021 to lead Greenlake’s accounting efforts.

Trevin attended the University of Oklahoma and holds a Bachelor of Business Administration in Accounting. He is also a licensed CPA (inactive) in the state of Texas.

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Prior to joining Greenlake Energy, Ms. Guerra served as both a principal consultant and technical advisor for the minerals division at Enverus. Prior to joining Enverus, she worked for Parsley Energy as a senior reservoir engineering technician under the budget and planning team managing the operational rig schedule and coordinating development planning. She has diverse experience in the oil and gas industry ranging from drilling operations, reservoir, minerals, and now land.

Chelsea holds a Bachelor’s degree in Geology from Lamar University in Beaumont, TX.

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Prior to Greenlake Energy, Ms. Wise started her career with the United States Air Force where she was a systems analyst.  She went on to work with XTO Energy, holding various positions in the regulatory compliance department within the Barnett Shale Division. Then, began work with Venado Oil & Gas where she was the regulatory lead & engineering technician. From there, she moved to Petro Legacy Energy where she was the production & operation systems/ regulatory manager where she primarily managed regulatory and database resources.

Ms. Wise currently serves as the regulatory lead at Greenlake Energy and is responsible for all regulatory compliance and environmental related requirements to state and federal agencies.

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Prior to joining Greenlake Energy, Mr. Ladner began his career as a completions field engineer at Parsley Energy in 2018, where he gained foundational experience in stimulation, drill out, and workover operations. During his time at Parsley, Jason developed tools to drive operational efficiencies and led projects to modernize the completions data ecosystem. In 2021, Jason joined Cold Bore Technology as a completions engineering advisor. In this role, he further refined his skills in completions data management and analysis. Jason joined the Greenlake team in March of 2024, eager to leverage the company's technology infrastructure to create value through practical, forward-thinking analysis.

Jason holds a bachelors degree in Petroleum Engineering from Mississippi State University.

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Prior to joining Greenlake Energy, Mr. McKinney held an area development engineer role within the capital projects team at Pioneer Natural Resources where he was responsible for planning facilities infrastructure throughout the Permian Basin.  Mr. McKinney joined Pioneer Natural Resources in 2014 as a facilities engineer, ultimately transitioning into a project manager and was a valuable contributor to the earliest horizontal infrastructure in the company’s portfolio.  Prior to his time at Pioneer, Howard began his career as a facilities engineer at Gulf Interstate Engineering with a focus on midstream natural gas facilities.  

Mr. McKinney holds a Bachelor of Science in Mechanical Engineering from Texas Tech University.  

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Prior to Greenlake Energy, Mr. Nunez entered the oil industry working at the Sasol Chemical Plant in Louisiana, a leading refinery, gaining valuable industrial experience and developing a strong foundation in the refinery process and construction techniques. Mr. Nunez has over five years of hands-on experience in the oilfield, where he has honed a wide range of skills, including welding and roustabout work. Through dedication and commitment to growth, he advanced to the role of pumper, overseeing vital operations in the field. His diverse background and proven work ethic make him a valuable asset to the Greenlake Energy team.

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Prior to joining Greenlake Energy, Ms. Krall began her career as a drilling technician at EOG Resources in San Antonio. She then worked as a reservoir technician at Brigham Resources before serving as engineering systems manager at VTX Energy Partners. With over a decade of experience, Ms. Krall has supported operational and reservoir engineering functions across the Eagleford, Delaware, and Powder River Basins.

Ms. Krall holds a Bachelor of Science in Geography from Texas State University – San Marcos.

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Prior to joining Greenlake, Mr. Gallagher served as President and CEO of Parsley Energy. He joined Parsley Energy in 2010 to build the Engineering Department. He was named Vice President and Chief Operating Officer in 2014. In January 2017, Gallagher was promoted to President and Chief Operating Officer, before being named Chief Executive Officer in 2019. Prior to his time at Parsley, Gallagher spent five years at Pioneer Natural Resources in a variety of engineering and finance roles.

A third-generation petroleum engineer, Mr. Gallagher earned a Bachelor of Science in Petroleum Engineering from the Colorado School of Mines.

He has served on the public board of Pioneer Natural Resources, as well as the trade boards of the Permian Basin Petroleum Association, the American Exploration and Production Council, and the Permian Strategic Partnership.  He currently serves on the Chesapeake Energy Corporation Board, is a Venture Partner at NGP Energy Capital, and serves on the American Printing House for the Blind non-profit board.

Prior to joining Greenlake Energy, Mr. Nelson served as Reservoir Engineering Manager for Parsley Energy, most recently leading the reservoir, corporate reserves, and planning teams. He oversaw field development planning and strategy for both Parsley’s Midland and Delaware Basin assets and played a key role in successfully implementing a returns-focused development program in recent years. Prior to joining Parsley in 2015, Mr. Nelson worked for Apache Corporation, based in Midland Texas, where he was a Reservoir and Production Engineer on several waterflood and CO2-flood assets. Prior to Apache, Mr. Nelson worked at BP America in Houston, primarily in their Deepwater Gulf of Mexico business unit.

Mr. Nelson earned a Bachelors of Science in Mechanical Engineering from the University of Texas at Austin and a Masters of Engineering in Petroleum Engineering from Texas A&M University.

Prior to joining Greenlake Energy, Mr. Rhodes was the Vice President of Investor Relations at Parsley Energy, a role for which he received recognition in Institutional Investor’s All-America executive team in 2020 and 2021. Prior to joining Parsley in 2017, Mr. Rhodes covered exploration and production companies for seven years at RBC Capital Markets as an equity research analyst. Prior to his time at RBC, Mr. Rhodes worked in the investment banking division of Lazard Frères & Co. Mr.

Rhodes attended the Plan II Honors Program at the University of Texas at Austin and holds a Bachelors of Business Administration in Finance.

Prior to joining Greenlake, Mr. Hembree served as Vice President of Information Technology for Parsley Energy. He joined Parsley in 2018 and was accountable for a multi-year digital transformation strategy to modernize field operations and deliver peer leading operational performance. Prior to his time at Parsley, he spent over a decade at Chesapeake Energy leading various upstream business, technology and data delivery teams. Recent areas of focus include upstream modernization through emerging technologies, ESG strategic planning and M&A asset evaluation. Mr. Hembree is responsible for Greenlake’s combined environmental sustainability and technology strategies. The intersection of both disciplines serves as an anchor for the company’s modern, responsible operator commitment.  

He earned a Bachelor of Science in Management Information Systems from Oklahoma State University and is a proud veteran of the Oklahoma Air National Guard.

Prior to joining Greenlake Energy, Mr. Martin served as the Vice President of Drilling and Completions for Parsley Energy. He joined Parsley in 2012 and was instrumental in the company’s transition from a vertical development program into a peer leader in the unconventional space. He was accountable for drilling and completions capital programs which successfully executed 700-plus horizontal wells from 2014 until being acquired in 2021. Prior to Parsley, Mr. Martin spent time with Dewbre Petroleum, a private E&P company in South Texas, and Pioneer Natural Resources. Both opportunities provided a wide range of experience that included production engineering & operations.

Mr. Martin earned a Bachelor of Science in Petroleum Engineering from Texas Tech University, and is a licensed Professional Engineer in Texas.

Prior to joining Greenlake Energy, Mr. Padgett held a myriad of roles at Parsley Energy, having begun in surface land with the company in early 2011. By the end of the decade Andrew helped build and run the Parsley Minerals and Royalties position in addition to being Land Manager of Delaware Basin assets. More notably, Mr. Padgett oversaw Parsley’s acquisition of its ~20,000 acre Trees Ranch mineral position and incorporated the $2.1Billion Jagged Peak merger. Between manning those posts, he led the team responsible for all accretive acquisitions and divestitures, which comprised of over 200 individual transactions, and nearly all of which were performed in-house. Before Parsley, he held roles in varying capacity in the motorsports and motorsports marketing industries.  

Mr. Padgett graduated from Hanover College in Hanover, Indiana in 2006 with a Bachelors of Arts in Business.

Prior to joining Greenlake Energy, Mr. Roberts served as President and Chief Operating Officer of Eventive Sports, a sports events management firm; General Counsel of Freedom Solar, the largest solar installation company in Texas; Executive Vice President—General Counsel and Corporate Secretary of Parsley Energy, Inc., a NYSE-traded exploration, and production company; and practiced corporate law with Alston & Bird LLP, an international law firm, in the firm’s New York City office. Prior to attending law school, Mr. Roberts was a management consultant with AlixPartners LLP and a financial accountant with ExxonMobil Corporation.

He 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.