1819 Saint James Place
Houston, Texas 77056
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Dr. Ngo is a graduate of Rice University, earned his medical degree at The University of Texas Health Science Center School of Medicine at San Antonio and completed his general surgery residency at St. Joseph Hospital in Houston. Board certified in surgery, Dr. Ngo has been in practice since 2003. He specializes in minimally invasive hernia and gallbladder surgery; laparoscopic inguinal/umbilical/ventral hernia repairs and laparoscopic gall bladder removals. He also focuses on minimally invasive breast disease surgery. He is a member and former chair of the Memorial Hermann Supply Chain Committee.
Margaretta is responsible for the overall marketing strategy and execution for DrySee products and future product lines with a focus on brand awareness, lead generation and partner marketing. Margaretta has 15+ years in the marketing industry, most recently working in the healthcare software. Margaretta received a BA from Southern Methodist University.
Marc Etchells brings 30 years of experience in the proprietary materials development and manufacturing business with a medical device & sorbent product focus. He is considered an expert in his field of infection control, medical wound care dressings, and devices. Prior to joining DrySee, Marc co-founded the company ETC Innovation, which owns extensive manufacturing assets and converting capabilities and participates in the field of silicone adhesives and delivery systems for actives. They have development experience enveloping fibers, nonwovens, composites and textiles plus films and foams with specific focus in the Medical Materials, Animal Care and Food Safety markets. Marc holds a BS from the University of Massachusetts and an MS from the Institute of Textile Technology.
Brad Greer has over 20 years of experience in health care, cybersecurity, identity theft, law, litigation, insurance, and government affairs. Brad was a part of the start-up team for the United States’ leading identity theft protection company in 2005. He served as the primary interface for on legislative, administrative and regulatory issues with state and federal government. Over $75MM in private placement and venture capital was raised during his tenure, and he helped increase revenues over 38,400% from 2005 to over $130MM in annual sales in fiscal year 2009. Brad is a graduate of The University of Texas at Austin where he received a BA, later receiving a JD from South Texas College of Law.
Walter “Tad” Mayfield is the inventor, founder, and Chair of GUI Global Products, Ltd known as GWEE and parent company to DrySee. Founded in 2011, GWEE has over 60 innovative patent-pending products with four main business lines. Tad is also an owner, director, and the president of Houston, Texas based, Goldston Oil Corporation, a family-owned oil and gas exploration and production company that was founded in the 1930’s. Tad received a B.S. from the University of Texas at Austin.