Team

We’re good at what we do because of our people. The Blue Line team is made up of skilled, educated, innovative thinkers who bring a fresh, creative approach to every project. Team members’ diverse experience and solid know-how are advantages for our customers.

Jon Blumenthal President & CEO
Gina Buntin Controller/HR Coordinator
Mike Gretschel Plant Manager
Suzanne Mendoza Inside Sales Manager
Joshua Perez Environmental Engineering Manager
Belinda Riggs Operations/Purchasing Manager
Jon Blumenthal

Jon Blumenthal

President & CEO

Jon has over 30 years of experience in the chemical industry. Jon earned a Bachelor’s of Science degree in Chemical Engineering from Clemson University and went on to perform post-graduate work in Chemical Engineering at Polytechnic Institute of New York. In his 30 plus years of industrial experience, Jon has succeeded at growing the idea of an inorganic chemical manufacturing company into a reality. Jon’s role at Blue Line focuses on driving the direction of the business to maximize the core competencies of the company in order to provide the highest quality products to the customers.

Gina Buntin

Gina Buntin

Controller/HR Coordinator

Gina began her career with Blue Line Corporation in May 2009. She has over 10 years of experience in accounting. Gina received her Bachelors of Business Administration in Accounting as well as her Masters of Business Administration in Accounting from St. Mary’s University. In addition to her accounting knowledge, her expertise includes finance and human resource management. 

Mike Gretschel

Mike Gretschel

Plant Manager

Mike began his career with Blue Line Corporation in January 2013. Mike has over 30 years of experience in hydrometallurgical manufacturing. His expertise includes management, chemical manufacturing, and lean manufacturing process improvement. Mike received his Bachelors of Chemical Engineering from Texas A&M University as well as his Masters of Business Administration in Business from University of Houston Clear Lake. In addition Mike is a registered Professional Engineer in Texas.

Suzanne Mendoza

Suzanne Mendoza

Inside Sales Manager

Suzanne began her career at Blue Line in January 2011. Suzanne received her Bachelors of Science in Business Administration with a concentration in Accounting and her Master of Science in Accounting both from the University of the Incarnate Word. Her expertise include customer service, inside sales and management. Her accounting skills are used in determining valuation of raw material and usage for cost and estimation of current and new projects.

Joshua Perez

Joshua Perez

Environmental Engineering Manager

Josh began his career with Blue Line Corporation in August 2014. Josh received his Bachelor of Science in Chemical Engineering from Texas Tech University. He started with alternative fuel sources and has now turned to inorganic chemical manufacturing. His main focus is plant engineering and environmental compliances, while working closely with all of the other departments within the company.

Belinda Riggs

Belinda Riggs

Operations/Purchasing Manager

Belinda began her career with Blue Line Corporation in April 2001. After several years and then a brief departure, Belinda returned to Blue Line Corporation in February 2008. Belinda has over 17 years of experience in the manufacturing industry. Her expertise includes procurement, inventory management, quality assurance, and operations. Belinda attended Texas Tech University and focused her area of study in Biology.