About Alliance

Jason Doyle is the President and Chief Executive Officer of Alliance Energy Services, LLC (AES), a leading wholesale propane gas supplier in North America. Since founding the company in 2003, Alliance has grown steadily over the years and marketed over 3 billion gallons of propane with revenues in excess of 3 billion dollars. Currently, the company employs 32 people with a corporate office in North Kansas City, MO and regional offices in Yankton, South Dakota and Calgary, Canada. The company ships on all common carrier U.S. propane pipelines and maintains storage positions in all major US propane storage hubs. AES also owns and/or operates proprietary propane terminals in Minnesota, Wisconsin, Kentucky, and New York. AES markets propane from many of the US refineries and gas plants, including an exclusive marketing arrangement with BP and Husky refining in Toledo, Ohio.

Prior to starting AES, Jason worked in the industry at Targa (NYSE: TRGP) from 1996 until 1999 managing Midwest operations out of Chicago, IL. From 1999-2002 he worked for Inergy LP from its origin in the wholesale and retail propane business through its successful IPO into the public markets (now part of Crestwood – NYSE: CEQP). Prior to entering the NGL business, Jason worked as a financial advisor for Morgan Stanley as his first job after earning a BS degree in business administration from Missouri State University in 1993.

Mr. Doyle has served in various industry committees for state propane associations and the National Propane gas association. He has also served as a speaker at many state and national conventions in his career within the industry, as well as contributed articles to the industry trade magazines such as LP Gas and BPN news.

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With a career spanning over three decades in the oil and gas industry, Aaron has gained a broad spectrum of experience. Upon the completion of his degree at Fort Hays State University in Hays, KS, he immediately put his talents to work connecting the propane producers and retailers on the front range of Colorado. Working for a regional farmer’s cooperative, he later went on to lead the inside refined products and propane marketing team for their entire system.

In 2002, Aaron joined NGL Supply based in Tulsa, OK. As the company grew, he thrived in the role of VP of Retail Propane Operations where he was responsible for the acquisition and management of their retail propane operations. After the company went public in 2011 as NGL Energy Partners, Aaron assumed the role of Senior Vice President of NGL Supply Wholesale where he led the team from having three assets under ownership to over twenty-five terminals spread out from coast to coast and marketing over a billion gallons.

Aaron joined Alliance Energy Services in 2022 as its Chief Operating Officer. He is excited to use his diverse industry experience to help the Alliance team grow as one of the leading marketers of natural gas liquids in North America.

Steve Hibbard joined Alliance Energy Services in 2020 and is the Chief Marketing Officer. He successfully led the efforts to double the book of business for Alliance over his first two years. Steve brings 38 years of oil and gas experience to the company, 33 of which were directly involved in the marketing and trading of propane, butane, natural gasoline, and crude.

The focus of his career has been developing and building new books of business throughout Canada, US, and Mexico with the following companies: Twin Eagle Resources, Plains Midstream Canada, Western Petroleum Company, Resources Energy Marketing, and Gibson Petroleum Company. Steve holds a Bachelor of Commerce (Finance) degree from the University of Alberta.

David Highfill has extensive experience in a wide range of leadership, management and advisory positions. In the role of Chief Financial Officer, he provides senior management with timely and accurate financial statements, ongoing cash flow projections, oversight over accounting and finance operations, as well as design and maintenance of the financial reporting structures. In addition to his accounting and finance oversight responsibilities, David offers broad management, internal control and strategic advice to management.

He has 17 years of experience in various industries including manufacturing, construction, and energy. David has provided leadership roles as a Controller in several of these industries as well as provided expertise in Project Management, IT and other functional areas within the company. He has managed external relationships with Accounting firms, banks and other providers throughout his career. David is a graduate of Kansas State University where he majored in Accounting with a minor in Economics and Statistics. He also received his Master’s Degree from Kansas State University.

Adam Lave joined Alliance Energy Services in 2020 as the Director of Supply. Adam brings 15 years of experience in the energy industry, focused on wholesale and trading of NGL’s. Prior to joining Alliance, Adam spent 13 years at Plains Midstream Canada and held the position of Manager of Supply and Marketing.

Adam has in depth knowledge of North American NGL basins, supply optimization, marketing, and trading. Adam holds a Bachelor’s degree in economics from Western Illinois University and a Masters of Business Administration from North Central College.

Bryan Lehman is the Director of Sales for Alliance Energy Services. Bryan has 29 years of experience in the energy industry including retail, wholesale, trading, and sales. Prior to joining Alliance Bryan held the position of Vice President of Sales at NGL Supply Wholesale. Bryan also worked for Phillips Petroleum in the retail department and CITGO petroleum on the wholesale marketing side.

He has extensive knowledge and experience in propane supply, risk, sales, storage, trading, and all other aspects of the business. Bryan received a Communications degree from the University of Tulsa.