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World-class team of experts to provide the country’s leading geologic sequestration asset

We’ve built a world-class team of experts to provide the country’s premier geologic sequestration asset

The GCS team includes several of the world’s leading experts on sequestration who bring insight and experience on geology, petrophysics, seismic, and reservoir modeling and simulation as well as the complex legal and regulatory issues involved with a project of this size and scale.

Leadership

a man wearing a suit and tie

David Cook

Chief Executive Officer
David Cook

David Cook joined GCS as CEO in October 2023. Prior to joining GCS, Cook served as a chief executive, senior leader, and non-executive board member for several global, publicly traded, and private companies. Most recently, Cook was a Director of Vaalco Energy, following its merger with TransGlobe Energy Corporation of which he was Chair from 2019 to 2022. Previously, he served as CEO of Noreco in London and INEOS DENOS in Copenhagen. Earlier in his career, he spent more than 20 years with BP in various international assignments. Cook earned a bachelor’s degree in Geophysics and a Ph.D. in Geological Sciences from Michigan State University.

Gray Stream wearing a suit and tie

W. Gray Stream

Founder and Executive Chairman
W. Gray Stream

W. Gray Stream (Gray) is the President of the Stream Companies, which manages several operating companies and a sizeable land position in Louisiana, primarily composed of timberland, agriculture, and coastal marsh. Gray also oversees an investment portfolio on behalf of the Stream Companies, which focuses on early-stage companies, venture capital, private equity, and structured credit. The Stream investments primarily focus on Louisiana-based companies and those providing solutions for the energy transition.

A commitment to long-term stewardship defines the culture of the Stream Companies, as evidenced by their generational approach to natural resource management, which has persisted for more than 125 years. Approximately 30 years ago, the Stream family founded Stream Wetland Services, which has restored tens of thousands of acres of coastal wetlands in Louisiana and Texas – and has grown millions of trees and plants in the region. In 2018, Gray founded Gulf Coast Sequestration, which is developing world-scale capabilities to permanently store captured CO2 emissions into deep geologic formations.

Gray is passionate about serving the Louisiana community and has led numerous charitable and civic causes to improve the quality of life in the state. He has served on the Louisiana Innovation Council, the Governor’s Advisory Commission on Coastal Protection, Restoration, and Conservation, and the Board of Directors for the SWLA Economic Development Alliance. He also currently serves on a committee for the Governor’s Climate Initiatives Task Force.

Gray is a member of YPO and is Immediate Past Chair of the Louisiana Committee of 100 for Economic Development. He formerly served on the Louisiana Board of Regents as Regent for the 3rd Congressional District and as Chairman of the National Hurricane Museum and Science Center. He currently serves as a Trustee for the National World War II Museum. In 2010 Gray received the Southwest Louisiana Civic Service Award from the Chamber of Commerce.

He began his career in Washington, DC serving Louisiana’s 7th Congressional District following his undergraduate degree at Vanderbilt University. He later earned his MBA from Rice University.

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Benjamin Heard

Chief Strategy Officer
Benjamin Heard

Benjamin Heard has over a decade of experience in the energy industry, founding companies, leading business development, and providing legal counsel. 

As an entrepreneur, he has started retail electricity, energy infrastructure and exploration and production companies. Benjamin led business development efforts in North America for Centrica plc, with a focus on energy technology. He also worked for Centrica in the company’s general counsel’s office. 

He began his career at Bracewell LLP in the energy transactional and regulatory practice group. Benjamin has a juris doctor degree from Emory University and a bachelor of science, magna cum laude, from Vanderbilt University.

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Scott Stepp

Chief Financial Officer
Scott Stepp

Mr. Stepp has a proven track record in developing actionable strategic analyses, generating investment ideas and responsibly deploying capital.  He has served as the Chief Investment Officer for Matilda Stream Management, Inc., a single family office based in Louisiana, since 2014.  There, he is responsible for the creation of an overall asset allocation strategy as well as execution of the investment process he helped design.  On behalf of the Family, Mr. Stepp has successfully deployed capital across many asset classes including: private equity and debt, real estate, public securities and other alternative investments, including credit and hedge fund strategies.  He currently serves on the boards of private companies in which the Family has invested.  Prior to his current role, Mr. Stepp worked at investment banks including Bank of America Merrill Lynch, Wachovia Securities and Wasserstein Perella, in various capacities of increasing seniority.  He has acted as both principal and advisor on transactions including corporate restructurings, debt and equity capital raises, as well as mergers and acquisitions.  His industry experience has included:  Chemicals, Manufacturing, Oil & Gas, Aerospace & Defense, Technology & Telecommunications, and Gaming & Lodging among others. Mr. Stepp is a graduate of the Georgetown University College of Arts and Sciences.  He lives in Austin, Texas with his wife and two daughters.

Team Members

Robert Wencel

Robert Wencel

Geoscientist
Robert Wencel

Rob has more than three years of consulting experience primarily working with upstream Oil & Gas clients and government agencies. During his time in consulting, he conducted subsurface investigations to assist with property acquisitions and divestitures and site remediation in the Texas and Oklahoma regions. He is experienced in subsurface mapping and data management tools including Petrel, GIS, and Python. Rob has a Bachelor of Science degree in Geology from Illinois State University and a Master of Science in Geology from the University of Alabama where he utilized terrestrial LiDAR to create outcrop scale 3D models of rock units for fracture characterization.

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Kaycee Garrett

Head of Permitting
Kaycee Garrett

Kaycee has over 15 years of experience permitting Underground Injection Control (UIC) wells.  She worked for 10 years as a UIC regulator at the Louisiana Department of Natural Resources applying state and federal regulatory requirements to the design and operation of injection wells.  Prior to joining GCS, she spent five years as a consultant advancing injection well permit applications across the Gulf Coast.  Kaycee has a Bachelor’s degree in Geology from Louisiana Tech University and holds professional geoscientists licenses in Louisiana and Texas.  She also serves as a representative for District 5 on the Louisiana Board of Professional Geoscientists.

McKenzie Morrison smiling for the camera

McKenzie Morrison

Permitting Geologist
McKenzie Morrison

McKenzie has three years of experience permitting Underground Injection Control (UIC) wells. She began her career specializing in drilling, completion, and production fluids across the Permian Basin for three years. Prior to GCS, she worked as a consultant in researching, writing, and preparing injection well permit applications and petitions for all UIC wells across the Midwest, Mid-Atlantic, and Gulf Coastal Region of the United States. McKenzie has a Bachelor of Science in Geoscience from Texas Tech University and a Master of Science in Geology from the University of Texas Permian Basin where she assessed the porosity and permeability of Delaware Basin sandstones for CO2 sequestration storage potential.

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Ryan Furby

Head of External Affairs
Ryan Furby

Ryan Furby is an international corporate affairs and strategic communications expert with more than 25 years of experience at FedEx Corporation, Philip Morris International and Biogen. His specialties include corporate branding and messaging, media relations, crisis communications and stakeholder engagement for companies in highly-regulated and dynamic industries. Ryan began his career at Edelman, the world’s largest independent public relations firm, in New York City. Also, he is a native of Louisiana, Ryan is married with two children.

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Jonathan Hodgson

Head of Subsurface Technical
Jonathan Hodgson

Jonathan has over 10 years of international experience in the energy industry, with focus on CCS and investment banking, during his tenure in the US, Norway and the UK.  While in Acquisitions and Divestitures at UBS, he led projects resulting in 20+ successful transactions, generating over $1.5 billion in sales revenue for clients including BP, Anadarko and EOG.  He started his career at Centrica as a geoscientist working in exploration, with a focus on evaluating multi-billion dollar unconventional opportunities in the US and Europe. Jonathan has a Bachelor’s degree in Geology and a Masters in Petroleum Geoscience from Imperial College London.

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Samuel Orta

Geoscience Technology & Data Science
Samuel Orta

Sam has 5+ years of experience managing, visualizing, and automating subsurface datasets and workflows in the energy industry. He is an expert in Master Data Management (MDM), Web-GIS, Python, and Subsurface Mapping. Prior to GCS, he worked for ExxonMobil with assignments in Melbourne, Australia, and Spring, Texas, supporting Guyana Development, Asia Pacific New Opportunities, and Middle East New Opportunities. While at ExxonMobil, he led and managed the transferring of 220 TB of data from Houston to Melbourne as well as implemented the end-to-end technical development of the Asia Pacific Data Inventory map that enabled rapid and dynamic visualization of internal and external data allowing decision makers to see data availability across the region. He also served on the Enterprise GIS team supporting the Delaware Basin Asset Team at Anadarko Petroleum. Sam has a Bachelor of Science degree in Geology and Master of Science degree in Energy from Texas A&M University.

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Colin Williams

Head of Business Development
Colin Williams

Colin Williams is the Head of Business Development for Gulf Coast Sequestration, where he leads strategy and commercial efforts for the preeminent permanent carbon capture and sequestration (CCS) project in North America.  Colin is also President and Managing Member of Tilden Energy LLC a Richmond-based energy and infrastructure focused investment holding company focused primarily on international infrastructure project development around the natural gas space.  In that role he is Executive Chairman of GNL Talcahuano SpA, a LNG import development project in Central Chile. He has worked at a number of large multi-billion dollar investment firms including the Blackstone Group as a senior investment professional and partner investing proprietary capital in energy, mining and infrastructure projects globally with a specific emphasis on emerging markets.  Colin is a graduate of the McIntire School of Commerce at the University of Virginia.  He resides in Richmond, Virginia with his wife and four children.

Senior Advisors

Peter Jackson

Senior Advisor
Peter Jackson

Peter has over 25 years of experience in operations, field development and exploration.  Pete has extensive experience in large subsurface characterization and development for operations spanning CCS and unconventional resources.  Pete leads GCS’s technical team with responsibility for geology, petrophysics, seismic, geological modeling and reservoir simulation.  Pete has co-founded energy companies in the Americas over the past decade with a primary focus on Brazil and the United States.  Previously, Pete led a technical team evaluating multi-billion-dollar unconventional opportunities in the US and Europe. Peter began his career at ARCO in the exploration group and continued with BP following its acquisition of ARCO.

Dean Clarke

Senior Advisor
Dean Clarke

Dean has over 30 years of experience in the energy industry, primarily in energy operations.  During his three decades at BP, Dean led major operations efforts globally for BP including in Asia and North America.  The breadth of discipline experience includes projects, production operations, logistics, drilling and completions.  Dean has extensive management experience with governmental partners, business partners, regulatory organizations, union and non-union workforces and contractors.  Dean’s last role at BP was VP Operations for Global Projects where he was responsible for developing the operating organizations for fifteen major projects with annual revenue of tens of billions of dollars.

Michael Liebelson

Senior Advisor
Michael Liebelson

Mr. Liebelson has more than 35 years of experience in the energy sector, including executive management positions in two publicly traded companies; co-founding and co-managing a highly successful and innovative independent power company; and acting as a hands-on executive for three low-carbon energy development companies. Mr. Liebelson earned a BS in Chemical Engineering with Honors at UC Berkeley, and an MBA in Finance from Wharton.

Since 2021, Mr. Liebelson has been a senior advisor to Gulf Coast Sequestration. Mr. Liebelson works with the leadership team in all phases of the company operations, including subsurface, permitting, commercial agreements and a potential future capital raise.

Dr. James Lorsong

Senior Advisor
Dr. James Lorsong

Dr. Lorsong has been involved in CCUS projects since 2005.  He was subsurface and wells manager for BP’s first CCS project in Scotland and developed CO2 storage options in depleted hydrocarbon fields and saline formations for gigawatt-scale hydrogen power projects worldwide as carbon storage manager in hydrogen energy (BP and Rio Tinto joint venture), including for advanced projects in Abu Dhabi and California.  As storage technology manager at BP, he led US and UK teams contributing to technology and regulatory frameworks for CO2 storage.  In 2010, James joined 2Co Energy as exploration and production director, where he managed subsurface and engineering activities for the re-development of two North Sea oil fields with a new pipeline for storage of CO2 from the gigawatt-scale Don Valley CCUS project in England.  In 2014, he founded Subterra Energy Consultants to continue development of potential CCUS projects.  He has a BSc in general science from Toronto University and a PhD in geology from Cambridge University.

D. Brian Williams

Senior Advisor
D. Brian Williams

D. Brian Williams has over 35 years of experience in the energy industry.  He has worked across the upstream value chain, from exploration to new project justification and development, start-up, and late-stage production decline management.  He has held a range of roles from the technical to commercial, primarily with BP.  Brian has worked over 10 years in the CCUS space, in both technology and project development capacities beginning in 2006 when he built BP’s original Geological Storage team.  In 2009, he became BP’s director of CCS technology & carbon solutions team and led development of CCS technologies in BP and supported CCS-related project activities in both BP and Hydrogen Energy (a joint venture of BP and Rio Tinto).  During this time, Brian chaired the Carbon Capture Project joint industry project, a preeminent industry consortium in the CCS space, and served as a committee member of two Society of Petroleum Engineers CCS forums in 2009 and 2001, co-chairing the former.  Brian recently served as an author, editor and coordinator in the core team leading the 2018-19 CCUS Study on behalf of the National Petroleum Council.  Brian retired from BP in 2015 and formed Caeli Associates L.L.C., where he consults in the low carbon energy, carbon management and CCUS spaces.  Brian has earned BS and MS degrees in Mechanical Engineering (Petroleum focus) from the University of California, Berkeley, and an MBA from the University of Houston.

Other Members

Rob Bissell

Reservoir Engineer
Rob Bissell

Rob has been a reservoir engineer for 30 years with a wealth of experience from diverse projects in identifying and characterizing CCS risks and resolving operational storage and injection/production issues.  He has a BS (Hons.), MS and PhD in physics from the Universities of Leeds and Oxford and worked as a staff engineer for BP and Total.  Rob has worked for over a decade in the CCS space focusing on dynamic reservoir simulation.  In addition to leading GCS’s reservoir simulation, Rob’s experience in CCS includes  development of a CCS opportunity in SE Asia, to inject multi-million tons of CO2 into a depleted gas reservoir; modeling the performance of an operating CCS project at In Salah in Algeria; and a multi-year CCS opportunity on the NW Shelf of Australia for Inpex with injection into an open saline aquifer.

Shane Hallstrom

Sr. Geomodeller
Shane Hallstrom

Shane has nearly 30 years of diverse international experience working subsurface oil and gas challenges in Asia, Africa, Australia, North Sea, South America and North America.  Shane leads geomodelling for the GCS carbon storage hub in Louisiana.  Shane’s subsurface expertise resides in on geomodelling from early days of technology development through to modern day fully integrated, closed loop uncertainty modeling. Shane attended the University of Calgary.

Javier Herbas

Sr. Geophysicist
Javier Herbas

Javier has 22 years of experience in subsurface for energy development from frontier exploration to field development in a wide range of sedimentary basins internationally. Javier’s expertise is in seismic interpretation including in deep water reservoirs, fairway analysis, prospect generation and maturation, rock physics, QI including attribute analysis, AVO, and inversions aimed at reservoir characterization, target selection, and well planning.  Javier is the lead geophysicist for GCS.  Javier received a BSc as a Geophysical Engineer from the Universidad Simon Bolivar in Caracas, Venezuela and a MSc in Geophysics from McGill University in Montreal, Canada.