PathWise Trainers and Contributors

Tresha Jackson

Tresha Jackson has 15 years of experience in the life sciences industry, serving in senior operations roles and supporting investigation performance, documentation quality, and compliance across pharmaceutical, biotech, and clinical research environments. She specializes in investigations, CAPA, technical writing, and root-cause analysis, and has delivered training programs to global teams across multiple sites and functions.

Tresha has coached investigator teams through complex, high-visibility investigations and has trained more than 1,000 learners on investigation fundamentals, documentation quality, and critical-thinking skills. She is known for her clear, structured facilitation style and her ability to translate technical concepts into practical tools that teams can apply immediately, with a focus on strengthening investigation capability, improving communication effectiveness, and supporting organizations in building sustainable, systems-level quality improvements.  Tresha earned her BBA and MBA from Northwood University and holds a Lean Six Sigma Green Belt from Villanova University.

Thomas Frazier

Thomas Frazier has over 15 years of experience in pharmaceutical and biomanufacturing environments, specializing in ISO 9001/13485 and cGMP-compliant manufacturing systems. His background spans Quality Assurance, Quality Control, Laboratory Metrology, Quality Engineering, and Supplier Quality Management. Thomas has managed site quality systems, led process improvement initiatives, and partnered with cross-functional teams to strengthen compliance and operational performance. Passionate about coaching and professional development, Thomas brings a practical, experience-based approach to training that helps participants understand and apply quality principles and industry best practices. He holds a Master of Business Administration and a Bachelor of Science in Human Movement Science from Utah State University. With a continued commitment to learning and professional growth, Thomas is also pursuing a Master of Science in Biomanufacturing through Utah State University’s College of Engineering.

Damon Linder

Damon Linder is a seasoned quality professional with over 25 years experience in engineering, sales and project management. Damon holds an MBA from Tiffin University and a B.S. in Mechanical Engineering from GMI Engineering & Management Institute. He is a certified Project Management Professional (PMP) from the Project Management Institute. Damon is currently in the process of completing a doctorate in Global Leadership & Change at Tiffin University. He has extensive training and experience in CAPA, Quality Risk Management Systems, Change Management, and Quality Risk Analysis tools including FMEA and FTA.

April Santos

April Santos has several years’ experience in FDA-regulated and ISO-certified industries. She jumpstarted her career in quality as a Lab Technician, and quickly escalated to becoming a Quality Assurance Supervisor. Her main responsibilities included non-conformance and CAPA, root cause analysis, risk-based thinking, management review, incoming raw materials inspections, equipment calibration, validation studies, supplier audits and environmental monitoring (just to name a few!). She also served as the Document Control Coordinator responsible for writing and revising Standard Operating Procedures. After gaining valuable experience in this role, she was promoted to a Regulatory Compliance and Quality Manager. April graduated from the University of Southern California (Fight On!) with a Bachelor’s in Biological Sciences. After graduating, April worked in cancer research at the Norris Comprehensive Cancer Center at USC’s Keck School of Medicine. April is currently finishing her certifications in Six Sigma Green Belt, Lean Management and Project Management.

Herb Miller

Herbert ‘Herb’ Miller has over 20 years of success in making training ‘stick’. His Training & Development experience includes assessment, design, development, and delivery. His ongoing learning as a TQM practitioner, along with those training experiences have inspired ‘customer focused’ training that adds value to organizations. He has a commitment to delivering high impact, business focused and effective training that contributes to organizations’ bottom lines. His experience in change management and onsite investigations have provided him with insights and practical supporting activities to ensure that his coaching and training accomplishes its purposes. His degrees include Master of Human Resource Management and a B.A. in Organizational Management.