Global NatGas Advisors

Global NatGas Advisors, LLC specializes in providing expert commercial advice, consulting and analysis regarding marketing, trading, business development and commercial transactions to companies in the global LNG and natural gas businesses.
Global NatGas Advisors is a Texas limited liability company located in Houston, Texas. Its primary assets are 41 years of experience of its founder and Chief Executive Officer, John Hattenberger. During the course of his career, John has been involved in a large number of business opportunities in LNG and natural gas, in nearly every country in the world.  His commercial experience encompasses every element in the natural gas value chain, including upstream production, pipeline transportation, liquefaction, LNG shipping, LNG regasification, and marketing and trading of both LNG and natural gas.


John Hattenberger
Founder, Chief Executive Officer

With over 41 years of experience in both LNG and natural gas, John Hattenberger brings valuable commercial insight and direction to each of our clients.  During the course of his career, John has been involved in the initiation, development, negotiation and closing of a large number of business opportunities, transactions, and projects in LNG and natural gas, in every region of the world.

John has held a number of commercial positions of increasing responsibility in major energy companies, including Gazprom, BP, El Paso, TransCanada, and Marathon.

His major strengths are in business development, major project development, marketing and trading, and structuring and negotiation of commercial transactions.  He has extensive experience in initiating, structuring, negotiating and closing commercial agreements all along the natural gas value chain, including upstream production, pipeline transportation, liquefaction, shipping, regasification, and marketing and trading of both LNG and natural gas.  A sampling of the commercial deals he has concluded over the course of his career:

– Negotiated and closed various LNG sales and purchase agreements (SPAs), both spot and long term.

– Negotiated and closed various liquefaction tolling services agreements (LTSAs)

– Led commercial development of several LNG export projects and LNG regasification import projects

– Negotiated and closed various LNG shipping time charters

– Started up and managed global LNG marketing and trading businesses in London and Houston

– Started up and managed a natural gas marketing and trading business in North America

– Negotiated and closed major natural gas supply and sales agreements in various countries

– Provided commercial advice to governments in development of new LNG export projects

– Managed and led multi-functional project teams in development of complex energy projects

– Developed and re-vamped LNG strategies for major energy firms


View John’s LinkedIn profile for more information



Global NatGas Advisors is guided by the following principles, which are biblical truths.  These principles will direct and govern all of the company’s business dealings:

My actions and words will match.  I will follow through on what I promise.

Whoever walks in integrity walks securely, but he who makes his ways crooked will be found out.
Proverbs 10.9

I will tell the truth and be open and transparent in my dealings with you.

Therefore, having put away falsehood, let each one of you speak the truth with his neighbor, for we are members one of another.
Ephesians 4.25

You can trust me.

Moreover, it is required of stewards that they be found trustworthy.
1 Corinthians 4.2

I will work hard and deliver the best advice and products that I can.

Whatever you do, work heartily, as for the Lord and not for men, knowing that from the Lord you will receive the inheritance as your reward. You are serving the Lord Christ.
Colossians 3:23-24