About Icon Midstream Group

Before founding Icon Midstream in 2012, Darren had already built a career working in natural gas, NGL, and condensate trading, marketing, and logistics across all regions of the US and Canada. His experience is varied and broad ranging across the upstream, midstream, and downstream sectors. Darren led the commercial effort at Eureka Midstream, and managed several midstream customer’s gas marketing, processing, gathering, and interstate capacity portfolios.  

With 25 years of experience, his formidable knowledge base includes building and monetizing upstream and midstream assets, fundraising, M&A advisory, minerals management, marketing, and trading, as well as green energy asset development. His extensive industry experience also includes work with Dynegy, El Paso, Enron, UBS Warburg, Duke Energy, Constellation, National Energy & Trade.

Aaron’s 20-year career has exposed him to almost every aspect associated with operating a company in the energy marketplace. He’s served in a diverse array of roles related to the management, engineering, construction, and operations of natural gas utility system, gathering and interstate pipeline systems, compression facilities, water and wastewater treatment facilities, and renewable natural gas facilities. Those roles include overseeing large-scale construction projects, system buildouts and upgrades, due diligence management for potential acquisitions, and executive leadership roles overseeing engineering, operations, compliance, and finance.

He’s adept at managing rapid changes, embraces innovation, and believes well-engineered projects are those that have the greatest flexibility in operability and longevity, while maintaining strict safety and environmental standards. Aaron’s experience also includes work with EQT Midstream, Eureka Midstream, Hornet Midstream, Morgan Stanley Global Infrastructure Fund, and Thrasher Engineering.

Greg joined Icon in 2022 and leads the marketing and trading efforts. Mr. Trefz is an experienced energy professional who has extensive experience in infrastructure development and gas and power trading. He spent 14 successful years with three Arclight Capital portfolio companies, including NET Midstream, Eureka Hunter Pipeline and Republic Midstream, where he held various business development and other commercial positions where he was involved the development of four different high pressure pipeline systems that had a combined total of more than 300-miles of installed pipeline.

Mr. Trefz joined National Energy & Trade, the predecessor to NET Midstream, in 2005. He managed the trading and scheduling teams and was responsible for growing the P&L from $5 MM to in excess of $40 MM in a three-year span, all while maintaining a minimal VAR. In 2009, Greg moved into a business development role with NET Midstream to focus on originating downstream midstream opportunities.

Greg assisted with the development and contracting of Eagle Ford Midstream and NET Mexico Gas Pipeline. Prior to 2005, Mr. Trefz held both gas and power trading and structuring roles with Dynegy, Enron North America and Cinergy Marketing and Trade. Greg holds BS in Finance from Oklahoma State University and graduate certificate in Energy Risk Management from the University of Houston.

He lives in the Sugar Land area with his wife and two sons where they enjoy youth sports, BBQ, their church and doing life with their Doodle dog, Kitty.

Jim joined Icon in 2024 and leads the Industrial and Commercial Marketing efforts. With over 25 years’ experience, Jim has supplied some of the nation’s largest Fortune 500 Companies from Florida to Maine.  

Jim began his career in the Natural Gas Industry when he joined Texas-Ohio Gas, Inc. (TOG). TOG was a forerunner in the deregulated natural gas markets and provided a fast-track education in the gas business.  While there Jim signed up new gas customers including Lockheed Martin, Lucent Technologies and Quaker Oats.

In April of 1997 Reliant Energy hired Jim to be their Manager of East Coast Operations for Energy Marketing.  He managed two regional offices located in New Jersey and Massachusetts selling natural gas and electricity to commercial and industrial customers in the Northeastern U.S.  With 6 sales reps, Jim built a customer list from 29 to 639, and a gas volume increase of 20-fold.  In November of 1998 he left the company and returned home to Texas to start a new chapter.

The following month, Jim  cofounded Houston Energy Services Company (HESCO).  That company took off like a rocket, and soon all of the operational side of HESCO was his responsibility.  In 1999, his title became Vice President – Operations. HESCO eventually grew to sales in excess of $300 Million with Customers behind 17 LDC’s from California, Nevada across to Florida and up to Maine.

In 2007, when HESCO was sold toCommerce Energy, Jim was hired as an integration consultant and spent nine months on the transition and transfer.

He lives in the Memorial Area and enjoys golf, BBQ and spending time  at his ranch in Hallettsville Texas.

The person who keeps it all humming along, Shana’s responsible for managing overall operations at Icon and is a key member in the Icon New Energy and VC Fuel transition energy efforts. She has 15 years of experience in natural gas trading and marketing, as well as large infrastructure project management.

Shana’s experience began with work at one of Houston’s premier legal firms. She then moved into the energy space with National Energy& Trade, working in risk, back office, engineering, and project management. Shana was a key contributor to NETMEX’s greenfield pipeline development project, building one of the largest high pressure cross border pipelines into Mexico.

Adan Diaz began working as an accountant and scheduler at Icon Midstream in 2022. His career as a successful accountant spans a decade since graduating from University of Houston-Downtown in 2013 with a Bachelor of Arts in Accounting.

As a local Houstonian, Adan specializes in accounting for oil and gas companies. Family is at the heart of his work and his first bookkeeping role was for the family business, JYA Transportation. Ever since then, he’s continued up the ladder in roles such as back-office staff accountant to senior staff accountant at Trillium Energy. Always looking to grow into new skills, Adan added scheduler to his list of job duties when he joined Icon.

Adan lives in the Rosharon area with his beautiful wife, Grace, and her maltipoo, Mochy.

Hailey Dishaw began working for Icon Midstream in 2023 as an analyst. As a native Houstonian, she always admired the energy industry and knew she wanted to be a part of it. She kicked off her career in the summer of 2022 interning at Southwestern Energy. While new to the industry she is very excited to grow her knowledge of natural gas.

In her free time, she enjoys spending time with family and friends, eating sushi, skiing, swimming, and watching movies.