People

Will Robertson

Role

  • Quintana Infrastructure & Development LLC, Managing Member and President
  • Keen Endeavors, LLC, Managing Member and President
  • Tenawa Resource Management LLC, Chief Executive Officer

Prior Experience

  • Great Northern Midstream LLC, Chairman and CEO
  • Quintana Capital Group GP, Ltd., Managing Director – Midstream & Power
  • The CapStreet Group, LLC, Associate
  • Merrill Lynch & Co., Analyst

Education

  • Rice University, MBA
  • The University of Texas at Austin, BBA & BA

Board Service

  • Tenawa Resource Holdings LLC
  • Frontier Utilities Holding Company, LLC, Chairman
  • Quintana Capital Group GP, Ltd. and certain underlying portfolio companies
  • The Henderson-Wessendorff Foundation

Interests

  • Family; outdoors; and interpreting Cool Hand Luke
  • Charitable areas including healthcare, arts and civil liberties

Carter Groves

Role

  • Quintana Infrastructure & Development LLC, Managing Director
  • Keen Endeavors, LLC, Vice President

Prior Experience

  • J.F. Lehman & Company, Inc. , Vice President
  • Cardtronics, Inc., Manager of Corporate Finance
  • The CapStreet Group, LLC and Arthur Andersen LLP

Education

  • Columbia Business School, MBA
  • The University of Texas at Austin, BBA

Board Service

  • Frontier Utilities Holding Company, LLC

Interests

  • Family; golf; reading
  • Charitable areas including education, healthcare and arts

Brad Nguyen

Role

  • Quintana Infrastructure & Development LLC, Accounting Manager

Prior Experience

  • Vitol Inc., Financial Analyst/Accountant
  • BP America, Division of Interest Analyst
  • Foley’s Department Stores, Assistant Buyer

Education

  • University of Houston, MBA & BBA

Interests

  • Family, friends and physical fitness activities

Rich Grobleben

Role

  • Quintana Infrastructure & Development LLC, VP – Accounting
  • Keen Endeavors, LLC, VP – Accounting
  • Great Northern Midstream LLC, VP – Accounting
  • Tenawa Resource Management LLC, VP – Accounting

Prior Experience

  • Plains Gas Solutions, LLC
  • El Paso Corporation and East Coast Power
  • McLane Grocery Distribution

Education

  • University of Southern Indiana, BS-Accounting
  • CPA

Interests

  • Family, scuba and astronomy
  • Charitable areas include church and Boy Scouts

David Zimmerman

Role

  • Quintana Infrastructure & Development LLC, Managing Director

Prior Experience

  • Richland-Stryker Investment LLC, COO / CFO
  • BNP Paribas, Director – Structured Origination
  • Bear Stearns, Arroyo Energy Investors, Associate Director
  • American Electric Power

Education

  • Georgia State University, MBA
  • The Ohio State University, BS – Finance

Board Service

  • Frontier Utilities Holding Company, LLC

Interests

  • Family, sports and outdoors
  • Charitable service includes coaching youth sports

Mike Thacker

Role

  • Tenawa Resource Management LLC, Manager – Mechanical Design

Prior Experience

  • Wood Group Mustang, Sr. Piping Designer
  • Kellogg, Brown and Root, Project Piping Lead, Sr. Piping Designer
  • SBM Imodco, Project Piping Design Coordinator
  • Alliance Engineering, Project Design Coordinator, Lead Piping Designer, Piping Designer
  • S-Con, Piping Designer
  • Tepera Technical Services, Piping Designer
  • CADD Service Group, Piping Draftsman

Education

  • University of Houston

Interests

  • Family; Hunting; BBQ cook-offs; Avid soccer fan
  • Enjoy volunteering in the community

Robert Jernigan

Role

  • Tenawa Resource Management LLC, Vice President – Commercial

Prior Experience

  • Plains Gas Solutions, LLC; Vice President Gas Supply and Business Development
  • W&T Offshore, Inc; Director of Market Development
  • Panhandle Energy; Director of Marketing Operations and Supply Development

Education

  • Texas A&I University; MBA
  • Texas A&I University; BBA

Board Service

  • Faith School for Young Children; Director
  • FUMC Board of Trustees; Director

Interests

  • Family, golf and traveling

Bradley Misley

Role

  • Tenawa Resource Management LLC, Vice President – Operations

Prior Experience

  • Halliburton, Sr. IP Counsel
  • Kellogg, Brown and Root, Chief Patent Counsel
  • Total Petrochemicals, Patent Attorney
  • Conoco / Trident NGL, Operations Superintendent, Mont Belvieu NGL fractionators
  • Trident NGL, Operations Superintendent, Lake Charles NGL fractionator
  • OXY NGL, Area Engineer, South Louisiana
  • OXY USA, Mechanical Engineer, Appalachia development project
  • OXY USA, Production Foreman, SW Kansas
  • OXY USA, Production Engineer, US Mid-Continent

Education

  • University of Houston, JD
  • University of Wyoming, BS Chemical Engineering

Interests

  • Family, Sports, Arts and Outdoors
  • Active in church and community

Memberships

  • Licensed Professional Engineer – Texas
  • Licensed attorney in Texas
  • Licensed before the US Patent & Trademark Office
  • Houston Intellectual Property Law Association

Greg Ameringer

Role

  • Tenawa Resources Management LLC, President
  • Tenawa Haven Processing LLC, President
  • Board Member Tenawa Resources ManagementLLC

Prior Experience

  • CDM Max, LLC
  • Texas Eastern’s Gas Processing Business Unit

Patents

  • Patent Pending on EBO (Expander Boost Only) Technology for NGL Extraction from LNG
  • Patent Pending for SRNE (Self Refrigerated No Expander) Technology for NGL Extraction
  • Patent 6,021,647 on GE (Gas Plant /Ethylene Plant) Technology

Experiences

  • Licensed EBO NGL Extraction Technology toFreeport LNG
  • Contracted with Freeport LNG to Design andBuild 2 -500 MMscfd NGL Plants
  • Designed, Built, and Started Up BOG (BoilOff Liquefaction) Plant for Freeport LNG
  • Designed, Built, and Started Up 600 MMscfdGrand Chenier Plant of 94’ x 126’ platform
  • Purchased and Completely Retrofitted 600MMscfd Patterson Gas Plant

Education

  • B.S. Physics Southwestern Okla. State Univ. (4 year starter/letterman varsity baseball).
  • M.S. Mechanical Engr., University of Texas

Kimberly Mar

Role

• Quintana Infrastructure & Development, Associate

Prior Experience

• Alta Mesa Holdings, LP, Financial Analyst
• Blue Stone International, LLC, Senior Financial Analyst
• Merrill Lynch Commodities, Inc., Gas Senior Specialist

Education

• CFA Charterholder
• The University of Texas at Austin, BA, Business Honors, Finance, minor in Accounting and Management Information Systems

Interests

• Marathons and Triathlons
• Traveling