A professional career spanning more than 25 years in microelectronics lithography defines this expert witness’s work, with specialization in lithographic processes, materials, and manufacturing systems used in semiconductor and printed circuit applications. His background includes extensive experience in photoresist characterization and the development of analytical procedures using techniques such as GPC, DSC, and IR, as well as formulation and evaluation of electronic chemicals used in microfabrication environments. His expertise reflects broad involvement in lithographic product development and application, including photoresists and ancillary materials such as developers, solvents, primers, and removers, along with surface preparation, cleaning processes, and packaging standards related to chemical cleanliness and handling. He has contributed to yield improvement initiatives and mask fabrication programs within semiconductor manufacturing, and has held process engineering and research and development roles supporting microelectronic and printed circuit products. His experience includes providing worldwide technical support and customer engagement, delivering technical seminars and industry training programs across the United States, Asia, and Europe, and teaching lithography courses for academic and professional audiences. His professional background also includes business and commercial responsibilities such as preparing technical data packages, supporting customer presentations, conducting cost and pricing analyses, and contributing to product positioning and competitive evaluation efforts. In addition, he has been involved in intellectual property strategy, including patent review, prior art analysis, claims development, and evaluation of acquisition opportunities through technical and business due diligence. His roles include positions with IBM, Texas Instruments, and Shipley, including service as Corporate Technical Service Manager with responsibility for global technical support and customer-facing operations, as well as consulting work focused on lithography, technical training, and intellectual property matters. He holds a Master of Science in Organic Chemistry, a Master of Engineering Administration, and a Bachelor of Science in Engineering and Chemistry, and has prior expert witness experience supporting litigation and patent-related matters involving microelectronics lithography technologies.