Plant Management

Headshot of Gregg Kranz, Plant Manager at Thumb Plastics, Inc. (TPI).

Gemini Plastics, Inc. (GPI)

Gregg Kranz is Plant Manager of Gemini Plastics, Inc. (TPI), Gemini Group’s plastic extrusion facility in Ubly, MI. He has over 25 years of manufacturing experience and has been with Gemini Group for over a decade. Gregg received an Associate’s degree from ITT Technical Institute and has training in LEAN, Kaizen, 6S and various other manufacturing certifications.

Headshot of Rod VanErp, Plant Manager of Valley Enterprises.

Valley Enterprises

Rod VanErp is Plant Manager of Valley Enterprises, Gemini’s Group’s automotive interior trim plant which specializes in Baypreg and compression molding. He has worked for Gemini Group since Valley’s inception in 1992, securing its first book of business growing it into a Tier One supplier. Rod is also a member of the Society of Manufacturing Engineers and the Society of Plastics Engineers.

Headshot of Jeff Weitenberner, Plant Manager of Thumb Tool & Engineering (TTE).

Thumb Tool & Engineering (TTE)

Jeff Weitenberner is Plant Manager of Thumb Tool & Engineering, Gemini Group’s aluminum extrusion tooling plant. He has over 25 years of aluminum extrusion tooling experience including die design, sales and plant management and has been with Gemini Group for over 15 years. Jeff holds various certificates in Lean Enterprise from the University of Wisconsin and was a past committee member on the Extrusion Technology (ET) committee for the Aluminum Extruders Council (AEC). He is currently the Commissioner and New Building Coordinator for the Huron County Hockey Association.

Thumb Plastics, Inc. (TPI)

Lindsay Fry is Plant Manager of Thumb Plastics, Inc. (TPI), Gemini Group’s two-shot injection molding facility. She has over 20 years of experience in manufacturing, including roles in engineering, maintenance, production, and quality. Lindsay holds a Bachelor of Science degree in Mechanical Engineering from Michigan State University and a Master of Science Degree in Manufacturing and Innovation from Michigan State University. She is also a Lean Six Sigma Green Belt and Red X Journeyman.

Regency Plastics

Bill Main is Plant Manager of Regency Plastics, Gemini Group’s technical blow molding plant. He has over 30 years manufacturing and engineering experience across many different processes including the manufacture of electro-mechanical devices, injection molding, blow-molding and extrusion as well as management experience as a Tier 1 and Tier 2 automotive supplier. Bill is a Lean Six Sigma Black Belt and is a member of the Society of Plastics Engineers as well as a past member of the Society of Manufacturing Engineers.

Headshot of Jennifer Sosnoski, Plant Manager of Gemini Precision Machining, Inc. (GPMI).

Gemini Precision Machining, Inc. (GPMI)

Jennifer Sosnoski is Plant Manager of Gemini Precision Machining, Inc., Gemini Group’s production and precision machining operation. She oversees all operations within GPMI’s North and South facilities, including the Briney Tooling operation. Jennifer has over 25 years of experience and has worked for Gemini Group since 1995 in roles including Plant Accountant, HR Generalist, Quality Manager, Office Manager, Production Manager, Operations Manager, as well as Corporate Manufacturing Controller. She holds a Bachelor of Business Administration degree from Northwood University as well as a Lean Executive Certification.

Headshot of Michael Greenhill, Plant Manager of Consolidated Tool.

Consolidated Tool (CT)

Michael Greenhill is Plant Manager of Consolidated Tool North and South, Gemini Group’s die cast tooling plant located in Muscle Shoals, Alabama. Since 1997, Michael has been dedicated to the manufacturing of aluminum die cast dies and in 2009 joined Consolidated Tool which in 2013 was acquired by Gemini Group. Michael holds an Associate’s degree in Science & Engineering from Northwest Shoals Community College and studied Chemical Engineering at Auburn University.

Headshot of Jim Jurgess, Plant Manager of Mid South Central Extrusion Die (MSCED).

Mid-South Central Extrusion Die (MSCED)

Jim Jurgess is Plant Manager of Mid-South Central Extrusion Die, Gemini’s extrusion die plant in Muscle Shoals, Alabama. He has been with Gemini Group for 24 years in capacities including Die Design Supervisor, Technical Sales Manager, and Plant Manager.

Sierra Plastics

Henry Sanchez is Plant Manager of Sierra Plastics, Gemini Group’s extrusion facility in El Paso, Texas. He has 30 years of experience in plastic manufacturing, including roles in management, engineering, lean processes, and liquid paint application for plastic components. Henry has an Associated Degree in Plastics Technology from El Paso Community College.

Gemini Plastics de Mexico (GPM)

Mauricio Garcia is Plant Manager of Gemini Plastics de Mexico, Gemini Group’s plastic extrusion facility in Saltillo, Mexico. He has over 20 years of experience in the automotive and manufacturing industry, including roles in plant and operations management, quality management, engineering, and manufacturing management. Mauricio has an advanced education in engineering and has achieved his Lean Six Sigma Black Belt certification.

Gemini Group plant managers bring the company’s vision of superior customer service to each Gemini team member on the plant floor, every day.

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