John Hallmark

John Hallmark has a diverse work experience spanning over several years. John began their career at Kirby Corporation in 1997, where they held various roles including Billing Analyst, Dispatcher, Site Representative, and Account Manager. In 2008, they became the Vice President of Sales and later Vice President of Strategic Planning and Sales. In 2019, John was promoted to the role of Executive Vice President of Sales & Strategy, and in 2024, they assumed the position of Chief Commercial Officer at Kirby Marine Transportation Group. In 2006, John briefly worked at Osprey Line LLC, where they held the positions of Director of Business Development, Vice President, and eventually, President. Overall, John has gained extensive experience and expertise in sales, strategy, and leadership throughout their career.

John Hallmark completed an MBA in Business, Management, and Finance at the University of Houston, C.T. Bauer College of Business from 2002 to 2003. Prior to that, they attended Texas A&M University Galveston Campus from 1993 to 1997, although no specific degree or field of study was specified. John has an additional certification in "Leadership at the Peak" from the Center for Creative Leadership, obtained in 2023.