We Are Oilfield Composite Industry Leaders
Focused on quality, safety and our customer’s satisfaction
For 50+ years, we’ve been on the forefront of changes in manufacturing methods, materials, machinery, and many other things, but our commitment to our customers, to quality and safety, and to 100% satisfaction has never changed.
Grant Roscoe, CEO
Grant is a trusted leader and strategic thinker, known for his operational excellence and collaborative approach. With 25+ years in business, including 17 years in senior roles with Halliburton and most recently President of Global Operations for Team Industrial Services Inc, he has an exceptional understanding of the oilfield service business. As CEO, Grant guides GP&C’s strategy, execution and operational excellence and empowers teams to achieve exceptional results. He holds a Bachelor of Science Engineering degree from Durban University of Technology and completed the executive leadership program from Texas A&M University Mays Business School.
Mark Krueger, CPA, CFO
Mark joined General Plastics & Composites in 2018 and has over 30 years’ experience in accounting, including internal audit functions for manufacturing companies. His experience also includes roles in the oil and gas industry. Mark holds an MBA from the University of Houston’s Bauer College of Business and a bachelor of Business Administration/Accounting degree from the University of Wisconsin.
Brad Landmann, Director of Engineering
Brad joined General Plastics & Composites in 2013 and has led the company’s engineering department transformation through product development efficiencies and innovation, as well as quality consistency. He has more than 30 years of experience in manufacturing and operations leadership. Brad earned a master’s degree in Manufacturing Management from GM Institute of Technology, as well as a bachelor of science degree in Mechanical Engineering from Purdue University.
John Seerey, Vice President of Sales and Marketing
With 20+ years of experience in commercial, operations, and leadership roles, John brings a strong blend of strategic vision, innovation, and expertise in driving business growth and transformation. John has a proven track record of delivering exceptional results in the oil and gas industry, specialty chemicals, and financial services. He earned a Bachelor of Business Administration in Management from Texas Tech University.
Nick Webster, Director of Operations
Nick joined General Plastics & Composites in 2014 and was promoted to Director of Operations in 2022. During his tenure, Nick has served in various management and technical engineering roles supporting the design and development, sales, and manufacturing groups. He has extensive knowledge of product development, project management, quality systems, and continuous improvement. Nick holds a BS Aerospace Engineering from Texas A&M University, as well as an MBA from the University of Houston, Victoria.
Christian Guidry, HSE & Facilities Manager
Christian joined General Plastics & Composites in 2021 and is responsible for HSE, facilities and maintenance for the company. He has a diverse background in the oil and gas industry with 12 years of experience effectively reinforcing that safety is a core value and priority within organizations. He is a proven leader who motivates his teams to achieve company goals and objectives.
Krista Webster, Supply Chain Manager
Krista joined General Plastics & Composites in 2012 and became Purchasing Manager in 2017. In her current role, she oversees the operations and daily activities of the purchasing department, and also builds strategic relationships with key suppliers. Previously, Krista served in inside sales and supply chain analysis roles for GP&C. Krista earned a bachelor’s degree in business for supply chain management from Texas A&M University.
Robin Walstad, Director of Marketing
As Director of Marketing, Robin is responsible for working on long-term strategies with high-level managers and directors as well as introducing new product and technology advancements. In addition, she oversees the company’s marketing efforts. She joined the company in 2007 and has worked in various capacities in sales and marketing. Prior to joining General Plastics & Composites, she worked in the education industry where she developed strong coaching and management skills. She has a BA degree from Rice University and a Master's in Education Administration.