Management Team

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

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.

Anthony Hooper

Anthony Hooper, VP Sales

Anthony joined General Plastics & Composites in 2021, with 27 years’ experience in the oil and gas industry, with companies such as BJ Services, Baker Hughes, Heurtey Petrochem, Stallion Oilfield Services, NextTier Completion Solutions, and Intelligent Wellhead Systems. Anthony has a vast experience in the industry, along with his strong technical understanding and business relationships. He has a Bachelor of Science degree in Mechanical Engineering from Texas Tech University.

Mark Krueger

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

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.

Christian Guidry

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

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.

brandi caldwell-lee

Brandi Caldwell-Lee, Human Resources Manager

Brandi Caldwell-Lee joined General Plastics & Composites in 2022, with more than 15 years of experience in human resources management. She specializes in regulatory compliance, employee relations, project management, and policy and procedures implementation. Brandi holds a Society for Human Resources Management Certification (SHRM-CP) and a Human Resources Management Certificate from California State University-San Bernardino. She has a master’s degree in Management from the University of Redlands and a Bachelor’s degree in Business Administration from University of California-Riverside.

Robin Walstad

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.