A View from the Top


At GHG Corporation our focus is on the customer, you. Our aim is to provide the best products and services that will add value to your company. Our employees must have the same commitment, they must be supported with the best tools and they must be provided with the best work place environment; GHG provides this. In short, GHG will go wherever our employees take us. If we take care of our employees, they will take care of our customers and all will be well.


Even though technology is running rampant, technology devoid of reason is not our aim. Technology must ultimately serve our customers. If not, what is the point?

Israel Galvan, CEO

Fountain Pen

Israel Galvan


The CEO of GHG Corporation was born in Port Isabel, TX and is a product of the Port Isabel Public School System, The United States Navy, University of Houston, University of Texas and started his career with IBM Corporation.

Mr. Galvan is an Electrical Engineer by profession and has a diverse work experience: electro-magnetic compatibility, control systems, digital computer design and development, math modeling and simulation, SCADA systems, and software development.

Mr. Galvan moved to Houston and worked as a consultant with a variety of manufacturing firms which led inevitably to the founding of GHG Corporation in February of 1979.

Mr. Galvan is the recipient of several awards and honors and remains active in many professional and volunteer organizations. He is the proud father of daughter, Vita Elena, grandfather of Marvel Jem and Hope Auden and resides in League City with his wife, Marsha.


Joseph Willhelm


The President of GHG Corporation is a graduate of Texas A&M University and the Naval Postgraduate School earning an M.S. in Space Systems Engineering. Mr. Willhelm was previously the Engineering Manager at GHG where he managed several contracts supporting NASA (Safety and Mission Assurance, Orion, and the Stennis Test Operations Contract) and the National Science Foundation (Antarctica Support Contract). 


Mr. Willhelm is a retired US Navy officer finishing with the rank of Lt. Commander, and spent his naval career in engineering including operations, maintenance, and repair.

During his Navy career, Mr. Willhelm was awarded two Navy Commendation Medals, the National Defense Service Medal, the US Pacific Fleet Commendation for Engineering Efficiency Award, and was named the Commander Naval Service Group Middle Pacific and Commanding Officer Pearl Harbor Naval Station Military Officer of the year.

Since 2008 Mr. Willhelm has been a member of the Galveston Historical Foundation’s Board of Directors, having served as Board President from 2011-2012.  Since 1998, Mr. Willhelm has volunteered his time on the Elissa, in Galveston, the official Tall Ship of Texas. Mr. Willhelm resides in Dickinson with his wife Donna on land that his family has held for 80 years. 

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Kim Patton

Vice President

The Executive Vice-President of GHG Corporation was born on the Redstone Arsenal Army Base in Alabama, then traveled throughout the south as an Army brat for 10 years, and has been in Houston, Texas since then. She is a graduate of Texas A&M University with an MS in Industrial Engineering (Operations and Optimization specialty) and a BS in Psychology (minor in Business Management).  Ms. Patton joined GHG in August 2014.

Ms. Patton began her career in the medical industry as an Operations/Management Engineer and then spent 24 years in various positions in the space industry in Space Shuttle and Space Station Operations.  During part of this time she was a Flight Control Officer for the Space Shuttle and Spacelab computer systems. Ms. Patton also worked at United Space Alliance as the Project Manager for Flight Operations’ segment of the Space Shuttle Cockpit Avionics Upgrade project. Ms. Patton also spent half her career as first and second line management for up to 40 engineers, project managers and staff while continuing to perform technical duties.

Ms. Patton has lived in the Clear Lake area of Texas since 1988.  Since 2001 she has spent her spare time as a volunteer with pet rescue organizations.  She currently works with Second Chance Pets, a 501c3 organization that operates on 100% donations and volunteerism, as a cat/dog foster parent, pet adoption counselor and photographer. 

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Dan Butler

Director of Business Development

The Director of Business Development graduated from The University of Texas with a BS in Aerospace Engineering, Mr. Butler began his professional career at Wyle Laboratories managing spaceflight hardware development at NASA-JSC. In 2003 he created a Reliability Engineering capability on Wyle's $1.1B Bioastronautics Contract (BC) and by 2008 was managing an organization responsible for performing all Safety, Reliability, Maintainability and Software Quality Engineering work on the contract. 


Mr. Butler also successfully managed Wyle's first CMMI certification, successfully advancing the organization from ML1 to ML3 in less than 6 months.  Mr. Butler received a Silver Snoopy in 2012 and in 2013 was inducted into the NASA STEP Reliability Engineering Hall of Fame.  In 2014 Mr. Butler joined GHG Corporation as Director of Business Development.  In addition to his BS in Aerospace Engineering, Dan holds an MA in Humanities and MBA, both from The University of Houston at Clear Lake. Mr. Butler resides in League City with his wife Jen and their three boys, Sullivan, Cashel, and Finneas.